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authorTwinaphex2020-02-08 16:24:22 +0100
committerGitHub2020-02-08 16:24:22 +0100
commit0adc619b5a5705d16cc6caea64951776ababbb96 (patch)
treefbae9b1d18d04d8e7908aa1c3446782ebf6e8785 /deps/lightning/check/lightning.c
parent0204c39a68a1fd4bf667aa8ece5a769f2983b7d0 (diff)
parent6f1edc3c7fd1f7f58155107d0c99d0ac7d22443b (diff)
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Merge pull request #377 from pcercuei/libretro
Lightrec dynarec
Diffstat (limited to 'deps/lightning/check/lightning.c')
-rw-r--r--deps/lightning/check/lightning.c4329
1 files changed, 4329 insertions, 0 deletions
diff --git a/deps/lightning/check/lightning.c b/deps/lightning/check/lightning.c
new file mode 100644
index 0000000..e60ef05
--- /dev/null
+++ b/deps/lightning/check/lightning.c
@@ -0,0 +1,4329 @@
+/*
+ * Copyright (C) 2012-2019 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU lightning.
+ *
+ * GNU lightning is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * GNU lightning is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ * License for more details.
+ *
+ * Authors:
+ * Paulo Cesar Pereira de Andrade
+ */
+
+#if HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#if HAVE_GETOPT_H
+# include <getopt.h>
+#else
+# include <unistd.h>
+#endif
+#include <stdio.h>
+#include <stdarg.h>
+#include <lightning.h>
+#include <dlfcn.h>
+
+#if defined(__linux__) && (defined(__i386__) || defined(__x86_64__))
+# include <fpu_control.h>
+#endif
+
+/* The label_t identifier clashes with a system definitions */
+#if defined(_AIX) || defined(__sun__) || defined(__osf__)
+# define label_t l_label_t
+#endif
+
+#if defined(__hpux)
+# define DL_HANDLE RTLD_NEXT
+#elif defined(__sgi)
+static void *DL_HANDLE;
+#elif defined(__osf__)
+# define DL_HANDLE NULL
+#else
+# define DL_HANDLE RTLD_DEFAULT
+#endif
+
+#if defined(__GNUC__)
+# define noreturn __attribute__ ((noreturn))
+# define printf_format(f, v) __attribute__ ((format (printf, f, v)))
+# define maybe_unused __attribute__ ((unused))
+#else
+# define noreturn /**/
+# define printf_format(f, v) /**/
+# define maybe_unused /**/
+#endif
+
+#define check_data(length) \
+ do { \
+ if (data_offset + length > data_length) \
+ error(".data too small (%ld < %ld)", \
+ data_length, data_offset + length); \
+ } while (0)
+
+#define get_label_by_name(name) ((label_t *)get_hash(labels, name))
+
+#define PARSING_NONE 0
+#define PARSING_DATA 1
+#define PARSING_CODE 2
+#define MAX_IDENTIFIER 256
+
+/*
+ * Types
+ */
+typedef struct instr instr_t;
+typedef union value value_t;
+typedef struct parser parser_t;
+typedef struct label label_t;
+typedef struct patch patch_t;
+typedef struct symbol symbol_t;
+typedef struct hash hash_t;
+typedef struct entry entry_t;
+typedef int (*function_t)(int argc, char *argv[]);
+
+typedef enum {
+ tok_eof = -1,
+ tok_symbol,
+ tok_char,
+ tok_int,
+ tok_float,
+ tok_pointer,
+ tok_string,
+ tok_register,
+ tok_dot,
+ tok_newline,
+ tok_semicollon,
+} token_t;
+
+typedef enum {
+ skip_none,
+ skip_ws,
+ skip_nl,
+} skip_t;
+
+typedef enum {
+ type_none,
+ type_c,
+ type_s,
+ type_i,
+ type_l,
+ type_f,
+ type_d,
+ type_p,
+} type_t;
+
+#define compose(a, b) (((a) << 8) | b)
+typedef enum {
+ expr_inc = compose('+', '+'),
+ expr_dec = compose('-', '-'),
+ expr_not = '!',
+ expr_com = '~',
+ expr_mul = '*',
+ expr_div = '/',
+ expr_rem = '%',
+ expr_add = '+',
+ expr_sub = '-',
+ expr_lsh = compose('<', '<'),
+ expr_rsh = compose('>', '>'),
+ expr_and = '&',
+ expr_or = '|',
+ expr_xor = '^',
+ expr_set = '=',
+ expr_mulset = compose('*', '='),
+ expr_divset = compose('/', '='),
+ expr_remset = compose('%', '='),
+ expr_addset = compose('+', '='),
+ expr_subset = compose('-', '='),
+ expr_lshset = compose(expr_lsh, '='),
+ expr_rshset = compose(expr_rsh, '='),
+ expr_andset = compose('&', '='),
+ expr_orset = compose('|', '='),
+ expr_xorset = compose('^', '='),
+ expr_lt = '<',
+ expr_le = compose('<', '='),
+ expr_eq = compose('=', '='),
+ expr_ne = compose('!', '='),
+ expr_gt = '>',
+ expr_ge = compose('>', '='),
+ expr_andand = compose('&', '&'),
+ expr_oror = compose('|', '|'),
+ expr_lparen = '(',
+ expr_rparen = ')',
+ expr_int = '0',
+ expr_float = '.',
+ expr_pointer = '@',
+ expr_symbol = '$',
+} expr_t;
+#undef compose
+
+struct instr {
+ instr_t *next;
+ const char *name;
+ void (*function)(void);
+ int flag;
+};
+
+union value {
+ jit_word_t i;
+ jit_uword_t ui;
+ float f;
+ double d;
+ void *p;
+ char *cp;
+ label_t *label;
+ patch_t *patch;
+};
+
+struct parser {
+ FILE *fp;
+ char name[256];
+ int line;
+ int regval;
+ type_t regtype;
+ expr_t expr;
+ type_t type;
+ value_t value;
+
+ /* variable length string buffer */
+ char *string;
+ int length;
+ int offset;
+
+ int newline;
+ expr_t putback;
+ int short_circuit;
+ int parsing;
+
+ struct {
+ unsigned char buffer[4096];
+ int offset;
+ int length;
+ } data;
+};
+
+typedef enum {
+ label_kind_data,
+ label_kind_code,
+ label_kind_code_forward,
+ label_kind_dynamic,
+} label_kind_t;
+
+struct hash {
+ entry_t **entries;
+ int size;
+ int count;
+};
+
+struct entry {
+ entry_t *next;
+ char *name;
+ void *value;
+ int flag;
+};
+
+struct label {
+ label_t *next;
+ char *name;
+ void *value;
+ label_kind_t kind;
+};
+
+typedef enum {
+ patch_kind_jmp,
+ patch_kind_mov,
+ patch_kind_call,
+} patch_kind_t;
+
+struct patch {
+ patch_t *next;
+ label_t *label;
+ void *value;
+ patch_kind_t kind;
+};
+
+/* minor support for expressions */
+struct symbol {
+ symbol_t *next;
+ char *name;
+ value_t value;
+ type_t type;
+};
+
+/*
+ * Prototypes
+ */
+static jit_gpr_t get_ireg(void);
+static jit_fpr_t get_freg(void);
+static symbol_t *get_symbol(void);
+static void jmp_forward(void *value, label_t *label);
+static void mov_forward(void *value, label_t *label);
+static void call_forward(void *value, label_t *label);
+static void make_arg(void *value);
+static jit_pointer_t get_arg(void);
+static jit_word_t get_imm(void);
+static void live(void);
+static void align(void); static void name(void);
+static void prolog(void);
+static void frame(void); static void tramp(void);
+static void ellipsis(void);
+static void allocai(void); static void allocar(void);
+static void arg(void);
+static void getarg_c(void); static void getarg_uc(void);
+static void getarg_s(void); static void getarg_us(void);
+static void getarg_i(void);
+#if __WORDSIZE == 64
+static void getarg_ui(void); static void getarg_l(void);
+#endif
+static void getarg(void);
+static void putargr(void); static void putargi(void);
+static void addr(void); static void addi(void);
+static void addxr(void); static void addxi(void);
+static void addcr(void); static void addci(void);
+static void subr(void); static void subi(void);
+static void subxr(void); static void subxi(void);
+static void subcr(void); static void subci(void);
+static void rsbr(void); static void rsbi(void);
+static void mulr(void); static void muli(void);
+static void qmulr(void); static void qmuli(void);
+static void qmulr_u(void); static void qmuli_u(void);
+static void divr(void); static void divi(void);
+static void divr_u(void); static void divi_u(void);
+static void qdivr(void); static void qdivi(void);
+static void qdivr_u(void); static void qdivi_u(void);
+static void remr(void); static void remi(void);
+static void remr_u(void); static void remi_u(void);
+static void andr(void); static void andi(void);
+static void orr(void); static void ori(void);
+static void xorr(void); static void xori(void);
+static void lshr(void); static void lshi(void);
+static void rshr(void); static void rshi(void);
+static void rshr_u(void); static void rshi_u(void);
+static void negr(void); static void comr(void);
+static void ltr(void); static void lti(void);
+static void ltr_u(void); static void lti_u(void);
+static void ler(void); static void lei(void);
+static void ler_u(void); static void lei_u(void);
+static void eqr(void); static void eqi(void);
+static void ger(void); static void gei(void);
+static void ger_u(void); static void gei_u(void);
+static void gtr(void); static void gti(void);
+static void gtr_u(void); static void gti_u(void);
+static void ner(void); static void nei(void);
+static void movr(void); static void movi(void);
+static void extr_c(void); static void extr_uc(void);
+static void extr_s(void); static void extr_us(void);
+#if __WORDSIZE == 64
+static void extr_i(void); static void extr_ui(void);
+#endif
+static void htonr_us(void); static void ntohr_us(void);
+static void htonr_ui(void); static void ntohr_ui(void);
+#if __WORDSIZE == 64
+static void htonr_ul(void); static void ntohr_ul(void);
+#endif
+static void htonr(void); static void ntohr(void);
+static void ldr_c(void); static void ldi_c(void);
+static void ldr_uc(void); static void ldi_uc(void);
+static void ldr_s(void); static void ldi_s(void);
+static void ldr_us(void); static void ldi_us(void);
+static void ldr_i(void); static void ldi_i(void);
+#if __WORDSIZE == 64
+static void ldr_ui(void); static void ldi_ui(void);
+static void ldr_l(void); static void ldi_l(void);
+#endif
+static void ldr(void); static void ldi(void);
+static void ldxr_c(void); static void ldxi_c(void);
+static void ldxr_uc(void); static void ldxi_uc(void);
+static void ldxr_s(void); static void ldxi_s(void);
+static void ldxr_us(void); static void ldxi_us(void);
+static void ldxr_i(void); static void ldxi_i(void);
+#if __WORDSIZE == 64
+static void ldxr_ui(void); static void ldxi_ui(void);
+static void ldxr_l(void); static void ldxi_l(void);
+#endif
+static void ldxr(void); static void ldxi(void);
+static void str_c(void); static void sti_c(void);
+static void str_s(void); static void sti_s(void);
+static void str_i(void); static void sti_i(void);
+#if __WORDSIZE == 64
+static void str_l(void); static void sti_l(void);
+#endif
+static void str(void); static void sti(void);
+static void stxr_c(void); static void stxi_c(void);
+static void stxr_s(void); static void stxi_s(void);
+static void stxr_i(void); static void stxi_i(void);
+#if __WORDSIZE == 64
+static void stxr_l(void); static void stxi_l(void);
+#endif
+static void stxr(void); static void stxi(void);
+static void bltr(void); static void blti(void);
+static void bltr_u(void); static void blti_u(void);
+static void bler(void); static void blei(void);
+static void bler_u(void); static void blei_u(void);
+static void beqr(void); static void beqi(void);
+static void bger(void); static void bgei(void);
+static void bger_u(void); static void bgei_u(void);
+static void bgtr(void); static void bgti(void);
+static void bgtr_u(void); static void bgti_u(void);
+static void bner(void); static void bnei(void);
+static void bmsr(void); static void bmsi(void);
+static void bmcr(void); static void bmci(void);
+static void boaddr(void); static void boaddi(void);
+static void boaddr_u(void); static void boaddi_u(void);
+static void bxaddr(void); static void bxaddi(void);
+static void bxaddr_u(void); static void bxaddi_u(void);
+static void bosubr(void); static void bosubi(void);
+static void bosubr_u(void); static void bosubi_u(void);
+static void bxsubr(void); static void bxsubi(void);
+static void bxsubr_u(void); static void bxsubi_u(void);
+static void jmpr(void); static void jmpi(void);
+static void callr(void); static void calli(void);
+static void prepare(void);
+static void pushargr(void); static void pushargi(void);
+static void finishr(void); static void finishi(void);
+static void ret(void);
+static void retr(void); static void reti(void);
+static void retval_c(void); static void retval_uc(void);
+static void retval_s(void); static void retval_us(void);
+static void retval_i(void);
+#if __WORDSIZE == 64
+static void retval_ui(void); static void retval_l(void);
+#endif
+static void retval(void);
+static void epilog(void);
+static void arg_f(void); static void getarg_f(void);
+static void putargr_f(void); static void putargi_f(void);
+static void addr_f(void); static void addi_f(void);
+static void subr_f(void); static void subi_f(void);
+static void rsbr_f(void); static void rsbi_f(void);
+static void mulr_f(void); static void muli_f(void);
+static void divr_f(void); static void divi_f(void);
+static void negr_f(void); static void absr_f(void);
+static void sqrtr_f(void);
+static void ltr_f(void); static void lti_f(void);
+static void ler_f(void); static void lei_f(void);
+static void eqr_f(void); static void eqi_f(void);
+static void ger_f(void); static void gei_f(void);
+static void gtr_f(void); static void gti_f(void);
+static void ner_f(void); static void nei_f(void);
+static void unltr_f(void); static void unlti_f(void);
+static void unler_f(void); static void unlei_f(void);
+static void uneqr_f(void); static void uneqi_f(void);
+static void unger_f(void); static void ungei_f(void);
+static void ungtr_f(void); static void ungti_f(void);
+static void ltgtr_f(void); static void ltgti_f(void);
+static void ordr_f(void); static void ordi_f(void);
+static void unordr_f(void); static void unordi_f(void);
+static void truncr_f_i(void);
+#if __WORDSIZE == 64
+static void truncr_f_l(void);
+#endif
+static void truncr_f(void);
+static void extr_f(void); static void extr_d_f(void);
+static void movr_f(void); static void movi_f(void);
+static void ldr_f(void); static void ldi_f(void);
+static void ldxr_f(void); static void ldxi_f(void);
+static void str_f(void); static void sti_f(void);
+static void stxr_f(void); static void stxi_f(void);
+static void bltr_f(void); static void blti_f(void);
+static void bler_f(void); static void blei_f(void);
+static void beqr_f(void); static void beqi_f(void);
+static void bger_f(void); static void bgei_f(void);
+static void bgtr_f(void); static void bgti_f(void);
+static void bner_f(void); static void bnei_f(void);
+static void bunltr_f(void); static void bunlti_f(void);
+static void bunler_f(void); static void bunlei_f(void);
+static void buneqr_f(void); static void buneqi_f(void);
+static void bunger_f(void); static void bungei_f(void);
+static void bungtr_f(void); static void bungti_f(void);
+static void bltgtr_f(void); static void bltgti_f(void);
+static void bordr_f(void); static void bordi_f(void);
+static void bunordr_f(void); static void bunordi_f(void);
+static void pushargr_f(void); static void pushargi_f(void);
+static void retr_f(void); static void reti_f(void);
+static void retval_f(void);
+static void arg_d(void); static void getarg_d(void);
+static void putargr_d(void); static void putargi_d(void);
+static void addr_d(void); static void addi_d(void);
+static void subr_d(void); static void subi_d(void);
+static void rsbr_d(void); static void rsbi_d(void);
+static void mulr_d(void); static void muli_d(void);
+static void divr_d(void); static void divi_d(void);
+static void negr_d(void); static void absr_d(void);
+static void sqrtr_d(void);
+static void ltr_d(void); static void lti_d(void);
+static void ler_d(void); static void lei_d(void);
+static void eqr_d(void); static void eqi_d(void);
+static void ger_d(void); static void gei_d(void);
+static void gtr_d(void); static void gti_d(void);
+static void ner_d(void); static void nei_d(void);
+static void unltr_d(void); static void unlti_d(void);
+static void unler_d(void); static void unlei_d(void);
+static void uneqr_d(void); static void uneqi_d(void);
+static void unger_d(void); static void ungei_d(void);
+static void ungtr_d(void); static void ungti_d(void);
+static void ltgtr_d(void); static void ltgti_d(void);
+static void ordr_d(void); static void ordi_d(void);
+static void unordr_d(void); static void unordi_d(void);
+static void truncr_d_i(void);
+#if __WORDSIZE == 64
+static void truncr_d_l(void);
+#endif
+static void truncr_d(void);
+static void extr_d(void); static void extr_f_d(void);
+static void movr_d(void); static void movi_d(void);
+static void ldr_d(void); static void ldi_d(void);
+static void ldxr_d(void); static void ldxi_d(void);
+static void str_d(void); static void sti_d(void);
+static void stxr_d(void); static void stxi_d(void);
+static void bltr_d(void); static void blti_d(void);
+static void bler_d(void); static void blei_d(void);
+static void beqr_d(void); static void beqi_d(void);
+static void bger_d(void); static void bgei_d(void);
+static void bgtr_d(void); static void bgti_d(void);
+static void bner_d(void); static void bnei_d(void);
+static void bunltr_d(void); static void bunlti_d(void);
+static void bunler_d(void); static void bunlei_d(void);
+static void buneqr_d(void); static void buneqi_d(void);
+static void bunger_d(void); static void bungei_d(void);
+static void bungtr_d(void); static void bungti_d(void);
+static void bltgtr_d(void); static void bltgti_d(void);
+static void bordr_d(void); static void bordi_d(void);
+static void bunordr_d(void); static void bunordi_d(void);
+static void pushargr_d(void); static void pushargi_d(void);
+static void retr_d(void); static void reti_d(void);
+static void retval_d(void);
+static void vastart(void); static void vapush(void);
+static void vaarg(void); static void vaarg_d(void);
+static void vaend(void);
+
+static void error(const char *format, ...) noreturn printf_format(1, 2);
+static void warn(const char *format, ...) printf_format(1, 2) maybe_unused;
+static void message(const char *kind, const char *format, va_list ap);
+
+static int getch(void);
+static int getch_noeof(void);
+static int ungetch(int ch);
+static int skipws(void);
+static int skipnl(void);
+static int skipct(void);
+static int skipcp(void);
+static jit_word_t get_int(skip_t skip);
+static jit_uword_t get_uint(skip_t skip);
+static double get_float(skip_t skip);
+static float make_float(double d);
+static void *get_pointer(skip_t skip);
+static label_t *get_label(skip_t skip);
+static token_t regname(void);
+static token_t identifier(int ch);
+static void get_data(type_t type);
+static void dot(void);
+static token_t number(int ch);
+static int escape(int ch);
+static token_t string(void);
+static token_t dynamic(void);
+static token_t character(void);
+static void expression_prim(void);
+static void expression_inc(int pre);
+static void expression_dec(int pre);
+static void expression_unary(void);
+static void expression_mul(void);
+static void expression_add(void);
+static void expression_shift(void);
+static void expression_bit(void);
+static void expression_rel(void);
+static void expression_cond(void);
+static token_t expression(void);
+static token_t primary(skip_t skip);
+static void parse(void);
+static int execute(int argc, char *argv[]);
+
+static void *xmalloc(size_t size);
+static void *xrealloc(void *pointer, size_t size);
+static void *xcalloc(size_t nmemb, size_t size);
+
+static label_t *new_label(label_kind_t kind, char *name, void *value);
+static patch_t *new_patch(patch_kind_t kind, label_t *label, void *value);
+static int bcmp_symbols(const void *left, const void *right);
+static int qcmp_symbols(const void *left, const void *right);
+static symbol_t *new_symbol(char *name);
+static symbol_t *get_symbol_by_name(char *name);
+
+static hash_t *new_hash(void);
+static int hash_string(char *name);
+static void put_hash(hash_t *hash, entry_t *entry);
+static entry_t *get_hash(hash_t *hash, char *name);
+static void rehash(hash_t *hash);
+
+/*
+ * Initialization
+ */
+static jit_state_t *_jit;
+static int flag_verbose;
+static int flag_data;
+static int flag_disasm;
+static char *progname;
+static parser_t parser;
+static hash_t *labels;
+static int label_offset;
+static patch_t *patches;
+static symbol_t **symbols;
+static int symbol_length;
+static int symbol_offset;
+static hash_t *instrs;
+static char *data;
+static size_t data_offset, data_length;
+static instr_t instr_vector[] = {
+#define entry(value) { NULL, #value, value }
+#define entry2(name, function) { NULL, name, function }
+ entry(live),
+ entry(align), entry(name),
+ entry(prolog),
+ entry(frame), entry(tramp),
+ entry(ellipsis),
+ entry(allocai), entry(allocar),
+ entry(arg),
+ entry(getarg_c), entry(getarg_uc),
+ entry(getarg_s), entry(getarg_us),
+ entry(getarg_i),
+#if __WORDSIZE == 64
+ entry(getarg_ui), entry(getarg_l),
+#endif
+ entry(getarg),
+ entry(putargr), entry(putargi),
+ entry(addr), entry(addi),
+ entry(addxr), entry(addxi),
+ entry(addcr), entry(addci),
+ entry(subr), entry(subi),
+ entry(subxr), entry(subxi),
+ entry(subcr), entry(subci),
+ entry(rsbr), entry(rsbi),
+ entry(mulr), entry(muli),
+ entry(qmulr), entry(qmuli),
+ entry(qmulr_u), entry(qmuli_u),
+ entry(divr), entry(divi),
+ entry(divr_u), entry(divi_u),
+ entry(qdivr), entry(qdivi),
+ entry(qdivr_u), entry(qdivi_u),
+ entry(remr), entry(remi),
+ entry(remr_u), entry(remi_u),
+ entry(andr), entry(andi),
+ entry(orr), entry(ori),
+ entry(xorr), entry(xori),
+ entry(lshr), entry(lshi),
+ entry(rshr), entry(rshi),
+ entry(rshr_u), entry(rshi_u),
+ entry(negr), entry(comr),
+ entry(ltr), entry(lti),
+ entry(ltr_u), entry(lti_u),
+ entry(ler), entry(lei),
+ entry(ler_u), entry(lei_u),
+ entry(eqr), entry(eqi),
+ entry(ger), entry(gei),
+ entry(ger_u), entry(gei_u),
+ entry(gtr), entry(gti),
+ entry(gtr_u), entry(gti_u),
+ entry(ner), entry(nei),
+ entry(movr), entry(movi),
+ entry(extr_c), entry(extr_uc),
+ entry(extr_s), entry(extr_us),
+#if __WORDSIZE == 64
+ entry(extr_i), entry(extr_ui),
+#endif
+ entry(htonr_us), entry(ntohr_us),
+ entry(htonr_ui), entry(ntohr_ui),
+#if __WORDSIZE == 64
+ entry(htonr_ul), entry(ntohr_ul),
+#endif
+ entry(htonr), entry(ntohr),
+ entry(ldr_c), entry(ldi_c),
+ entry(ldr_uc), entry(ldi_uc),
+ entry(ldr_s), entry(ldi_s),
+ entry(ldr_us), entry(ldi_us),
+ entry(ldr_i), entry(ldi_i),
+#if __WORDSIZE == 64
+ entry(ldr_ui), entry(ldi_ui),
+ entry(ldr_l), entry(ldi_l),
+#endif
+ entry(ldr), entry(ldi),
+ entry(ldxr_c), entry(ldxi_c),
+ entry(ldxr_uc), entry(ldxi_uc),
+ entry(ldxr_s), entry(ldxi_s),
+ entry(ldxr_us), entry(ldxi_us),
+ entry(ldxr_i), entry(ldxi_i),
+#if __WORDSIZE == 64
+ entry(ldxr_ui), entry(ldxi_ui),
+ entry(ldxr_l), entry(ldxi_l),
+#endif
+ entry(ldxr), entry(ldxi),
+ entry(str_c), entry(sti_c),
+ entry(str_s), entry(sti_s),
+ entry(str_i), entry(sti_i),
+#if __WORDSIZE == 64
+ entry(str_l), entry(sti_l),
+#endif
+ entry(str), entry(sti),
+ entry(stxr_c), entry(stxi_c),
+ entry(stxr_s), entry(stxi_s),
+ entry(stxr_i), entry(stxi_i),
+#if __WORDSIZE == 64
+ entry(stxr_l), entry(stxi_l),
+#endif
+ entry(stxr), entry(stxi),
+ entry(bltr), entry(blti),
+ entry(bltr_u), entry(blti_u),
+ entry(bler), entry(blei),
+ entry(bler_u), entry(blei_u),
+ entry(beqr), entry(beqi),
+ entry(bger), entry(bgei),
+ entry(bger_u), entry(bgei_u),
+ entry(bgtr), entry(bgti),
+ entry(bgtr_u), entry(bgti_u),
+ entry(bner), entry(bnei),
+ entry(bmsr), entry(bmsi),
+ entry(bmcr), entry(bmci),
+ entry(boaddr), entry(boaddi),
+ entry(boaddr_u), entry(boaddi_u),
+ entry(bxaddr), entry(bxaddi),
+ entry(bxaddr_u), entry(bxaddi_u),
+ entry(bosubr), entry(bosubi),
+ entry(bosubr_u), entry(bosubi_u),
+ entry(bxsubr), entry(bxsubi),
+ entry(bxsubr_u), entry(bxsubi_u),
+ entry(jmpr), entry(jmpi),
+ entry(callr), entry(calli),
+ entry(prepare),
+ entry(pushargr), entry(pushargi),
+ entry(finishr), entry(finishi),
+ entry(ret),
+ entry(retr), entry(reti),
+ entry(retval_c), entry(retval_uc),
+ entry(retval_s), entry(retval_us),
+ entry(retval_i),
+#if __WORDSIZE == 64
+ entry(retval_ui), entry(retval_l),
+#endif
+ entry(retval),
+ entry(epilog),
+ entry(arg_f), entry(getarg_f),
+ entry(putargr_f), entry(putargi_f),
+ entry(addr_f), entry(addi_f),
+ entry(subr_f), entry(subi_f),
+ entry(rsbr_f), entry(rsbi_f),
+ entry(mulr_f), entry(muli_f),
+ entry(divr_f), entry(divi_f),
+ entry(negr_f), entry(absr_f),
+ entry(sqrtr_f),
+ entry(ltr_f), entry(lti_f),
+ entry(ler_f), entry(lei_f),
+ entry(eqr_f), entry(eqi_f),
+ entry(ger_f), entry(gei_f),
+ entry(gtr_f), entry(gti_f),
+ entry(ner_f), entry(nei_f),
+ entry(unltr_f), entry(unlti_f),
+ entry(unler_f), entry(unlei_f),
+ entry(uneqr_f), entry(uneqi_f),
+ entry(unger_f), entry(ungei_f),
+ entry(ungtr_f), entry(ungti_f),
+ entry(ltgtr_f), entry(ltgti_f),
+ entry(ordr_f), entry(ordi_f),
+ entry(unordr_f), entry(unordi_f),
+ entry(truncr_f_i),
+#if __WORDSIZE == 64
+ entry(truncr_f_l),
+#endif
+ entry(truncr_f),
+ entry(extr_f), entry(extr_d_f),
+ entry(movr_f), entry(movi_f),
+ entry(ldr_f), entry(ldi_f),
+ entry(ldxr_f), entry(ldxi_f),
+ entry(str_f), entry(sti_f),
+ entry(stxr_f), entry(stxi_f),
+ entry(bltr_f), entry(blti_f),
+ entry(bler_f), entry(blei_f),
+ entry(beqr_f), entry(beqi_f),
+ entry(bger_f), entry(bgei_f),
+ entry(bgtr_f), entry(bgti_f),
+ entry(bner_f), entry(bnei_f),
+ entry(bunltr_f), entry(bunlti_f),
+ entry(bunler_f), entry(bunlei_f),
+ entry(buneqr_f), entry(buneqi_f),
+ entry(bunger_f), entry(bungei_f),
+ entry(bungtr_f), entry(bungti_f),
+ entry(bltgtr_f), entry(bltgti_f),
+ entry(bordr_f), entry(bordi_f),
+ entry(bunordr_f), entry(bunordi_f),
+ entry(pushargr_f), entry(pushargi_f),
+ entry(retr_f), entry(reti_f),
+ entry(retval_f),
+ entry(arg_d), entry(getarg_d),
+ entry(putargr_d), entry(putargi_d),
+ entry(addr_d), entry(addi_d),
+ entry(subr_d), entry(subi_d),
+ entry(rsbr_d), entry(rsbi_d),
+ entry(mulr_d), entry(muli_d),
+ entry(divr_d), entry(divi_d),
+ entry(negr_d), entry(absr_d),
+ entry(sqrtr_d),
+ entry(ltr_d), entry(lti_d),
+ entry(ler_d), entry(lei_d),
+ entry(eqr_d), entry(eqi_d),
+ entry(ger_d), entry(gei_d),
+ entry(gtr_d), entry(gti_d),
+ entry(ner_d), entry(nei_d),
+ entry(unltr_d), entry(unlti_d),
+ entry(unler_d), entry(unlei_d),
+ entry(uneqr_d), entry(uneqi_d),
+ entry(unger_d), entry(ungei_d),
+ entry(ungtr_d), entry(ungti_d),
+ entry(ltgtr_d), entry(ltgti_d),
+ entry(ordr_d), entry(ordi_d),
+ entry(unordr_d), entry(unordi_d),
+ entry(truncr_d_i),
+#if __WORDSIZE == 64
+ entry(truncr_d_l),
+#endif
+ entry(truncr_d),
+ entry(extr_d), entry(extr_f_d),
+ entry(movr_d), entry(movi_d),
+ entry(ldr_d), entry(ldi_d),
+ entry(ldxr_d), entry(ldxi_d),
+ entry(str_d), entry(sti_d),
+ entry(stxr_d), entry(stxi_d),
+ entry(bltr_d), entry(blti_d),
+ entry(bler_d), entry(blei_d),
+ entry(beqr_d), entry(beqi_d),
+ entry(bger_d), entry(bgei_d),
+ entry(bgtr_d), entry(bgti_d),
+ entry(bner_d), entry(bnei_d),
+ entry(bunltr_d), entry(bunlti_d),
+ entry(bunler_d), entry(bunlei_d),
+ entry(buneqr_d), entry(buneqi_d),
+ entry(bunger_d), entry(bungei_d),
+ entry(bungtr_d), entry(bungti_d),
+ entry(bltgtr_d), entry(bltgti_d),
+ entry(bordr_d), entry(bordi_d),
+ entry(bunordr_d), entry(bunordi_d),
+ entry(pushargr_d), entry(pushargi_d),
+ entry(retr_d), entry(reti_d),
+ entry(retval_d),
+ entry2("va_start", vastart),
+ entry2("va_push", vapush),
+ entry2("va_arg", vaarg),
+ entry2("va_arg_d", vaarg_d),
+ entry2("va_end", vaend),
+#undef entry
+};
+
+/*
+ * Implementation
+ */
+static jit_gpr_t
+get_ireg(void)
+{
+ if (primary(skip_ws) != tok_register)
+ error("bad register");
+ if (parser.regtype != type_l)
+ error("bad int register");
+
+ return ((jit_gpr_t)parser.regval);
+}
+
+static jit_fpr_t
+get_freg(void)
+{
+ if (primary(skip_ws) != tok_register)
+ error("bad register");
+ if (parser.regtype != type_d)
+ error("bad float register");
+
+ return ((jit_fpr_t)parser.regval);
+}
+
+static symbol_t *
+get_symbol(void)
+{
+ symbol_t *symbol;
+ int ch = skipws();
+
+ if (ch != '$')
+ error("expecting variable");
+ (void)identifier('$');
+ if (parser.string[1] == '\0')
+ error("expecting variable");
+ if ((symbol = get_symbol_by_name(parser.string)) == NULL)
+ symbol = new_symbol(parser.string);
+
+ return (symbol);
+}
+
+static void
+jmp_forward(void *value, label_t *label)
+{
+ (void)new_patch(patch_kind_jmp, label, value);
+}
+
+static void
+mov_forward(void *value, label_t *label)
+{
+ (void)new_patch(patch_kind_mov, label, value);
+}
+
+static void
+call_forward(void *value, label_t *label)
+{
+ (void)new_patch(patch_kind_call, label, value);
+}
+
+static void
+make_arg(void *value)
+{
+ symbol_t *symbol = get_symbol();
+
+ symbol->type = type_p;
+ symbol->value.p = value;
+}
+
+static jit_pointer_t
+get_arg(void)
+{
+ symbol_t *symbol = get_symbol();
+
+ if (symbol->type != type_p)
+ error("bad argument %s type", symbol->name);
+
+ return symbol->value.p;
+}
+
+static jit_word_t
+get_imm(void)
+{
+ int ch;
+ label_t *label;
+ jit_word_t value;
+ ch = skipws();
+ switch (ch) {
+ case '+': case '-': case '0' ... '9':
+ ungetch(ch);
+ value = get_int(skip_none);
+ break;
+ case '\'':
+ character();
+ value = parser.value.i;
+ break;
+ case '$':
+ switch (expression()) {
+ case tok_int:
+ case tok_pointer:
+ value = parser.value.i;
+ break;
+ default:
+ error("expecting immediate");
+ }
+ break;
+ case '@':
+ dynamic();
+ value = (jit_word_t)parser.value.p;
+ break;
+ default:
+ ungetch(ch);
+ label = get_label(skip_none);
+ if (label->kind == label_kind_data)
+ value = (jit_word_t)label->value;
+ else
+ error("expecting immediate");
+ break;
+ }
+ return (value);
+}
+
+#define entry(name) \
+static void \
+name(void) \
+{ \
+ jit_##name(); \
+}
+#define entry_ca(name) \
+static void \
+name(void) \
+{ \
+ make_arg(jit_##name()); \
+}
+#define entry_ia(name) \
+static void \
+name(void) \
+{ \
+ jit_gpr_t r0 = get_ireg(); \
+ jit_pointer_t ac = get_arg(); \
+ jit_##name(r0, ac); \
+}
+#define entry_im(name) \
+static void \
+name(void) \
+{ \
+ jit_word_t im = get_imm(); \
+ jit_##name(im); \
+}
+#define entry_ir(name) \
+static void \
+name(void) \
+{ \
+ jit_gpr_t r0 = get_ireg(); \
+ jit_##name(r0); \
+}
+#define entry_ima(name) \
+static void \
+name(void) \
+{ \
+ jit_word_t im = get_imm(); \
+ jit_pointer_t ac = get_arg(); \
+ jit_##name(im, ac); \
+}
+#define entry_ir_ir_ir(name) \
+static void \
+name(void) \
+{ \
+ jit_gpr_t r0 = get_ireg(), r1 = get_ireg(), r2 = get_ireg(); \
+ jit_##name(r0, r1, r2); \
+}
+#define entry_ir_ir_im(name) \
+static void \
+name(void) \
+{ \
+ jit_gpr_t r0 = get_ireg(), r1 = get_ireg(); \
+ jit_word_t im = get_imm(); \
+ jit_##name(r0, r1, im); \
+}
+#define entry_ir_ir_ir_ir(name) \
+static void \
+name(void) \
+{ \
+ jit_gpr_t r0 = get_ireg(), r1 = get_ireg(), \
+ r2 = get_ireg(), r3 = get_ireg(); \
+ jit_##name(r0, r1, r2, r3); \
+}
+#define entry_ir_ir_ir_im(name) \
+static void \
+name(void) \
+{ \
+ jit_gpr_t r0 = get_ireg(), r1 = get_ireg(), r2 = get_ireg(); \
+ jit_word_t im = get_imm(); \
+ jit_##name(r0, r1, r2, im); \
+}
+#define entry_ir_ir(name) \
+static void \
+name(void) \
+{ \
+ jit_gpr_t r0 = get_ireg(), r1 = get_ireg(); \
+ jit_##name(r0, r1); \
+}
+#define entry_ir_im(name) \
+static void \
+name(void) \
+{ \
+ jit_gpr_t r0 = get_ireg(); \
+ jit_word_t im = get_imm(); \
+ jit_##name(r0, im); \
+}
+#define entry_ir_pm(name) \
+static void \
+name(void) \
+{ \
+ jit_gpr_t r0 = get_ireg(); \
+ void *pm = get_pointer(skip_ws); \
+ jit_##name(r0, pm); \
+}
+#define entry_pm_ir(name) \
+static void \
+name(void) \
+{ \
+ void *pm = get_pointer(skip_ws); \
+ jit_gpr_t r0 = get_ireg(); \
+ jit_##name(pm, r0); \
+}
+#define entry_im_ir_ir(name) \
+static void \
+name(void) \
+{ \
+ jit_word_t im = get_imm(); \
+ jit_gpr_t r0 = get_ireg(), r1 = get_ireg(); \
+ (void)jit_##name(im, r0, r1); \
+}
+#define entry_lb_ir_ir(name) \
+static void \
+name(void) \
+{ \
+ jit_node_t *jmp; \
+ label_t *label = get_label(skip_ws); \
+ jit_gpr_t r0 = get_ireg(), r1 = get_ireg(); \
+ if (label->kind == label_kind_code_forward) \
+ jmp_forward((void *)jit_##name(r0, r1), label); \
+ else { \
+ jmp = jit_##name(r0, r1); \
+ jit_patch_at(jmp, (jit_node_t *)label->value); \
+ } \
+}
+#define entry_lb_ir_im(name) \
+static void \
+name(void) \
+{ \
+ jit_node_t *jmp; \
+ label_t *label = get_label(skip_ws); \
+ jit_gpr_t r0 = get_ireg(); \
+ jit_word_t im = get_imm(); \
+ if (label->kind == label_kind_code_forward) \
+ jmp_forward((void *)jit_##name(r0, im), label); \
+ else { \
+ jmp = jit_##name(r0, im); \
+ jit_patch_at(jmp, (jit_node_t *)label->value); \
+ } \
+}
+#define entry_lb(name) \
+static void \
+name(void) \
+{ \
+ jit_node_t *jmp; \
+ label_t *label = get_label(skip_ws); \
+ if (label->kind == label_kind_code_forward) \
+ jmp_forward((void *)jit_##name(), label); \
+ else { \
+ jmp = jit_##name(); \
+ jit_patch_at(jmp, (jit_node_t *)label->value); \
+ } \
+}
+#define entry_pm(name) \
+static void \
+name(void) \
+{ \
+ void *pm = get_pointer(skip_ws); \
+ jit_##name(pm); \
+}
+#define entry_fa(name) \
+static void \
+name(void) \
+{ \
+ jit_fpr_t r0 = get_freg(); \
+ jit_pointer_t ac = get_arg(); \
+ jit_##name(r0, ac); \
+}
+#define entry_fma(name) \
+static void \
+name(void) \
+{ \
+ jit_float64_t im = get_float(skip_ws); \
+ jit_pointer_t ac = get_arg(); \
+ jit_##name(im, ac); \
+}
+#define entry_fr_fr_fr(name) \
+static void \
+name(void) \
+{ \
+ jit_fpr_t r0 = get_freg(), r1 = get_freg(), r2 = get_freg(); \
+ jit_##name(r0, r1, r2); \
+}
+#define entry_fr_fr_fm(name) \
+static void \
+name(void) \
+{ \
+ jit_fpr_t r0 = get_freg(), r1 = get_freg(); \
+ jit_float64_t im = get_float(skip_ws); \
+ jit_##name(r0, r1, make_float(im)); \
+}
+#define entry_fr_fr_dm(name) \
+static void \
+name(void) \
+{ \
+ jit_fpr_t r0 = get_freg(), r1 = get_freg(); \
+ jit_float64_t im = get_float(skip_ws); \
+ jit_##name(r0, r1, im); \
+}
+#define entry_fr_fr(name) \
+static void \
+name(void) \
+{ \
+ jit_fpr_t r0 = get_freg(), r1 = get_freg(); \
+ jit_##name(r0, r1); \
+}
+#define entry_ir_fr_fr(name) \
+static void \
+name(void) \
+{ \
+ jit_gpr_t r0 = get_ireg(); \
+ jit_fpr_t r1 = get_freg(), r2 = get_freg(); \
+ jit_##name(r0, r1, r2); \
+}
+#define entry_ir_fr_fm(name) \
+static void \
+name(void) \
+{ \
+ jit_gpr_t r0 = get_ireg(); \
+ jit_fpr_t r1 = get_freg(); \
+ jit_float64_t im = get_float(skip_ws); \
+ jit_##name(r0, r1, make_float(im)); \
+}
+#define entry_ir_fr_dm(name) \
+static void \
+name(void) \
+{ \
+ jit_gpr_t r0 = get_ireg(); \
+ jit_fpr_t r1 = get_freg(); \
+ jit_float64_t im = get_float(skip_ws); \
+ jit_##name(r0, r1, im); \
+}
+#define entry_ir_fr(name) \
+static void \
+name(void) \
+{ \
+ jit_gpr_t r0 = get_ireg(); \
+ jit_fpr_t r1 = get_freg(); \
+ jit_##name(r0, r1); \
+}
+#define entry_fr_ir(name) \
+static void \
+name(void) \
+{ \
+ jit_fpr_t r0 = get_freg(); \
+ jit_gpr_t r1 = get_ireg(); \
+ jit_##name(r0, r1); \
+}
+#define entry_fr_fm(name) \
+static void \
+name(void) \
+{ \
+ jit_fpr_t r0 = get_freg(); \
+ jit_float64_t im = get_float(skip_ws); \
+ jit_##name(r0, make_float(im)); \
+}
+#define entry_fr_dm(name) \
+static void \
+name(void) \
+{ \
+ jit_fpr_t r0 = get_freg(); \
+ jit_float64_t im = get_float(skip_ws); \
+ jit_##name(r0, im); \
+}
+#define entry_fr_pm(name) \
+static void \
+name(void) \
+{ \
+ jit_fpr_t r0 = get_freg(); \
+ void *pm = get_pointer(skip_ws); \
+ jit_##name(r0, pm); \
+}
+#define entry_fr_ir_ir(name) \
+static void \
+name(void) \
+{ \
+ jit_fpr_t r0 = get_freg(); \
+ jit_gpr_t r1 = get_ireg(), r2 = get_ireg(); \
+ jit_##name(r0, r1, r2); \
+}
+#define entry_fr_ir_im(name) \
+static void \
+name(void) \
+{ \
+ jit_fpr_t r0 = get_freg(); \
+ jit_gpr_t r1 = get_ireg(); \
+ jit_word_t im = get_imm(); \
+ jit_##name(r0, r1, im); \
+}
+#define entry_pm_fr(name) \
+static void \
+name(void) \
+{ \
+ void *pm = get_pointer(skip_ws); \
+ jit_fpr_t r0 = get_freg(); \
+ jit_##name(pm, r0); \
+}
+#define entry_ir_ir_fr(name) \
+static void \
+name(void) \
+{ \
+ jit_gpr_t r0 = get_ireg(), r1 = get_ireg(); \
+ jit_fpr_t r2 = get_freg(); \
+ jit_##name(r0, r1, r2); \
+}
+#define entry_im_ir_fr(name) \
+static void \
+name(void) \
+{ \
+ jit_word_t im = get_imm(); \
+ jit_gpr_t r0 = get_ireg(); \
+ jit_fpr_t r1 = get_freg(); \
+ jit_##name(im, r0, r1); \
+}
+#define entry_lb_fr_fr(name) \
+static void \
+name(void) \
+{ \
+ jit_node_t *jmp; \
+ label_t *label = get_label(skip_ws); \
+ jit_fpr_t r0 = get_freg(), r1 = get_freg(); \
+ if (label->kind == label_kind_code_forward) \
+ jmp_forward((void *)jit_##name(r0, r1), label); \
+ else { \
+ jmp = jit_##name(r0, r1); \
+ jit_patch_at(jmp, (jit_node_t *)label->value); \
+ } \
+}
+#define entry_lb_fr_fm(name) \
+static void \
+name(void) \
+{ \
+ jit_node_t *jmp; \
+ label_t *label = get_label(skip_ws); \
+ jit_fpr_t r0 = get_freg(); \
+ jit_float64_t im = get_float(skip_ws); \
+ if (label->kind == label_kind_code_forward) \
+ jmp_forward((void *)jit_##name(r0, make_float(im)), label); \
+ else { \
+ jmp = jit_##name(r0, make_float(im)); \
+ jit_patch_at(jmp, (jit_node_t *)label->value); \
+ } \
+}
+#define entry_lb_fr_dm(name) \
+static void \
+name(void) \
+{ \
+ jit_node_t *jmp; \
+ label_t *label = get_label(skip_ws); \
+ jit_fpr_t r0 = get_freg(); \
+ jit_float64_t im = get_float(skip_ws); \
+ if (label->kind == label_kind_code_forward) \
+ jmp_forward((void *)jit_##name(r0, im), label); \
+ else { \
+ jmp = jit_##name(r0, im); \
+ jit_patch_at(jmp, (jit_node_t *)label->value); \
+ } \
+}
+#define entry_fr(name) \
+static void \
+name(void) \
+{ \
+ jit_fpr_t r0 = get_freg(); \
+ jit_##name(r0); \
+}
+#define entry_fm(name) \
+static void \
+name(void) \
+{ \
+ jit_float64_t im = get_float(skip_ws); \
+ jit_##name(make_float(im)); \
+}
+#define entry_dm(name) \
+static void \
+name(void) \
+{ \
+ jit_float64_t im = get_float(skip_ws); \
+ jit_##name(im); \
+}
+#define entry_fn(name) \
+static void \
+name(void) \
+{ \
+ int ch; \
+ label_t *label; \
+ void *value; \
+ ch = skipws(); \
+ switch (ch) { \
+ case '0' ... '9': \
+ ungetch(ch); \
+ value = (void *)(jit_word_t)get_uint(skip_none); \
+ break; \
+ case '$': \
+ switch (expression()) { \
+ case tok_int: \
+ value = (void *)parser.value.i; \
+ break; \
+ case tok_pointer: \
+ value = parser.value.p; \
+ break; \
+ default: \
+ error("expecting pointer"); \
+ } \
+ break; \
+ case '@': \
+ dynamic(); \
+ value = parser.value.p; \
+ break; \
+ default: \
+ ungetch(ch); \
+ label = get_label(skip_none); \
+ if (label->kind == label_kind_code_forward) \
+ call_forward((void *)jit_##name(NULL), label); \
+ else \
+ jit_patch_at(jit_##name(NULL), label->value); \
+ return; \
+ } \
+ jit_##name(value); \
+}
+static void
+name(void) {
+ int ch = skipws();
+ (void)identifier(ch);
+ jit_name(parser.string);
+}
+static void
+live(void) {
+ if (primary(skip_ws) != tok_register)
+ error("bad register");
+ jit_live(parser.regval);
+}
+entry_im(align)
+entry(prolog)
+entry_im(frame) entry_im(tramp)
+entry(ellipsis)
+void
+allocai(void) {
+ symbol_t *symbol;
+ jit_word_t i, im = get_imm();
+ i = jit_allocai(im);
+ symbol = get_symbol();
+ symbol->type = type_l;
+ symbol->value.i = i;
+}
+entry_ir_ir(allocar)
+entry_ca(arg)
+entry_ia(getarg_c) entry_ia(getarg_uc)
+entry_ia(getarg_s) entry_ia(getarg_us)
+entry_ia(getarg_i)
+#if __WORDSIZE == 64
+entry_ia(getarg_ui) entry_ia(getarg_l)
+#endif
+entry_ia(getarg)
+entry_ia(putargr) entry_ima(putargi)
+entry_ir_ir_ir(addr) entry_ir_ir_im(addi)
+entry_ir_ir_ir(addxr) entry_ir_ir_im(addxi)
+entry_ir_ir_ir(addcr) entry_ir_ir_im(addci)
+entry_ir_ir_ir(subr) entry_ir_ir_im(subi)
+entry_ir_ir_ir(subxr) entry_ir_ir_im(subxi)
+entry_ir_ir_ir(subcr) entry_ir_ir_im(subci)
+entry_ir_ir_ir(rsbr) entry_ir_ir_im(rsbi)
+entry_ir_ir_ir(mulr) entry_ir_ir_im(muli)
+entry_ir_ir_ir_ir(qmulr) entry_ir_ir_ir_im(qmuli)
+entry_ir_ir_ir_ir(qmulr_u) entry_ir_ir_ir_im(qmuli_u)
+entry_ir_ir_ir(divr) entry_ir_ir_im(divi)
+entry_ir_ir_ir(divr_u) entry_ir_ir_im(divi_u)
+entry_ir_ir_ir_ir(qdivr) entry_ir_ir_ir_im(qdivi)
+entry_ir_ir_ir_ir(qdivr_u) entry_ir_ir_ir_im(qdivi_u)
+entry_ir_ir_ir(remr) entry_ir_ir_im(remi)
+entry_ir_ir_ir(remr_u) entry_ir_ir_im(remi_u)
+entry_ir_ir_ir(andr) entry_ir_ir_im(andi)
+entry_ir_ir_ir(orr) entry_ir_ir_im(ori)
+entry_ir_ir_ir(xorr) entry_ir_ir_im(xori)
+entry_ir_ir_ir(lshr) entry_ir_ir_im(lshi)
+entry_ir_ir_ir(rshr) entry_ir_ir_im(rshi)
+entry_ir_ir_ir(rshr_u) entry_ir_ir_im(rshi_u)
+entry_ir_ir(negr) entry_ir_ir(comr)
+entry_ir_ir_ir(ltr) entry_ir_ir_im(lti)
+entry_ir_ir_ir(ltr_u) entry_ir_ir_im(lti_u)
+entry_ir_ir_ir(ler) entry_ir_ir_im(lei)
+entry_ir_ir_ir(ler_u) entry_ir_ir_im(lei_u)
+entry_ir_ir_ir(eqr) entry_ir_ir_im(eqi)
+entry_ir_ir_ir(ger) entry_ir_ir_im(gei)
+entry_ir_ir_ir(ger_u) entry_ir_ir_im(gei_u)
+entry_ir_ir_ir(gtr) entry_ir_ir_im(gti)
+entry_ir_ir_ir(gtr_u) entry_ir_ir_im(gti_u)
+entry_ir_ir_ir(ner) entry_ir_ir_im(nei)
+entry_ir_ir(movr)
+static void
+movi(void)
+{
+ int ch;
+ label_t *label;
+ void *value;
+ jit_gpr_t r0 = get_ireg();
+ ch = skipws();
+ switch (ch) {
+ case '+': case '-':
+ case '0' ... '9':
+ ungetch(ch);
+ value = (void *)(jit_word_t)get_uint(skip_none);
+ break;
+ case '\'':
+ character();
+ value = (void *)parser.value.i;
+ break;
+ case '$':
+ switch (expression()) {
+ case tok_int:
+ value = (void *)parser.value.i;
+ break;
+ case tok_pointer:
+ value = parser.value.p;
+ break;
+ default:
+ error("expecting pointer");
+ }
+ break;
+ case '@':
+ dynamic();
+ value = parser.value.p;
+ break;
+ default:
+ ungetch(ch);
+ label = get_label(skip_none);
+ if (label->kind == label_kind_code ||
+ label->kind == label_kind_code_forward) {
+ mov_forward((void *)jit_movi(r0, 0), label);
+ return;
+ }
+ value = label->value;
+ break;
+ }
+ jit_movi(r0, (jit_word_t)value);
+}
+entry_ir_ir(extr_c) entry_ir_ir(extr_uc)
+entry_ir_ir(extr_s) entry_ir_ir(extr_us)
+#if __WORDSIZE == 64
+entry_ir_ir(extr_i) entry_ir_ir(extr_ui)
+#endif
+entry_ir_ir(htonr_us) entry_ir_ir(ntohr_us)
+entry_ir_ir(htonr_ui) entry_ir_ir(ntohr_ui)
+#if __WORDSIZE == 64
+entry_ir_ir(htonr_ul) entry_ir_ir(ntohr_ul)
+#endif
+entry_ir_ir(htonr) entry_ir_ir(ntohr)
+entry_ir_ir(ldr_c) entry_ir_pm(ldi_c)
+entry_ir_ir(ldr_uc) entry_ir_pm(ldi_uc)
+entry_ir_ir(ldr_s) entry_ir_pm(ldi_s)
+entry_ir_ir(ldr_us) entry_ir_pm(ldi_us)
+entry_ir_ir(ldr_i) entry_ir_pm(ldi_i)
+#if __WORDSIZE == 64
+entry_ir_ir(ldr_ui) entry_ir_pm(ldi_ui)
+entry_ir_ir(ldr_l) entry_ir_pm(ldi_l)
+#endif
+entry_ir_ir(ldr) entry_ir_pm(ldi)
+entry_ir_ir_ir(ldxr_c) entry_ir_ir_im(ldxi_c)
+entry_ir_ir_ir(ldxr_uc) entry_ir_ir_im(ldxi_uc)
+entry_ir_ir_ir(ldxr_s) entry_ir_ir_im(ldxi_s)
+entry_ir_ir_ir(ldxr_us) entry_ir_ir_im(ldxi_us)
+entry_ir_ir_ir(ldxr_i) entry_ir_ir_im(ldxi_i)
+#if __WORDSIZE == 64
+entry_ir_ir_ir(ldxr_ui) entry_ir_ir_im(ldxi_ui)
+entry_ir_ir_ir(ldxr_l) entry_ir_ir_im(ldxi_l)
+#endif
+entry_ir_ir_ir(ldxr) entry_ir_ir_im(ldxi)
+entry_ir_ir(str_c) entry_pm_ir(sti_c)
+entry_ir_ir(str_s) entry_pm_ir(sti_s)
+entry_ir_ir(str_i) entry_pm_ir(sti_i)
+#if __WORDSIZE == 64
+entry_ir_ir(str_l) entry_pm_ir(sti_l)
+#endif
+entry_ir_ir(str) entry_pm_ir(sti)
+entry_ir_ir_ir(stxr_c) entry_im_ir_ir(stxi_c)
+entry_ir_ir_ir(stxr_s) entry_im_ir_ir(stxi_s)
+entry_ir_ir_ir(stxr_i) entry_im_ir_ir(stxi_i)
+#if __WORDSIZE == 64
+entry_ir_ir_ir(stxr_l) entry_im_ir_ir(stxi_l)
+#endif
+entry_ir_ir_ir(stxr) entry_im_ir_ir(stxi)
+entry_lb_ir_ir(bltr) entry_lb_ir_im(blti)
+entry_lb_ir_ir(bltr_u) entry_lb_ir_im(blti_u)
+entry_lb_ir_ir(bler) entry_lb_ir_im(blei)
+entry_lb_ir_ir(bler_u) entry_lb_ir_im(blei_u)
+entry_lb_ir_ir(beqr) entry_lb_ir_im(beqi)
+entry_lb_ir_ir(bger) entry_lb_ir_im(bgei)
+entry_lb_ir_ir(bger_u) entry_lb_ir_im(bgei_u)
+entry_lb_ir_ir(bgtr) entry_lb_ir_im(bgti)
+entry_lb_ir_ir(bgtr_u) entry_lb_ir_im(bgti_u)
+entry_lb_ir_ir(bner) entry_lb_ir_im(bnei)
+entry_lb_ir_ir(bmsr) entry_lb_ir_im(bmsi)
+entry_lb_ir_ir(bmcr) entry_lb_ir_im(bmci)
+entry_lb_ir_ir(boaddr) entry_lb_ir_im(boaddi)
+entry_lb_ir_ir(boaddr_u) entry_lb_ir_im(boaddi_u)
+entry_lb_ir_ir(bxaddr) entry_lb_ir_im(bxaddi)
+entry_lb_ir_ir(bxaddr_u) entry_lb_ir_im(bxaddi_u)
+entry_lb_ir_ir(bosubr) entry_lb_ir_im(bosubi)
+entry_lb_ir_ir(bosubr_u) entry_lb_ir_im(bosubi_u)
+entry_lb_ir_ir(bxsubr) entry_lb_ir_im(bxsubi)
+entry_lb_ir_ir(bxsubr_u) entry_lb_ir_im(bxsubi_u)
+entry_ir(jmpr) entry_lb(jmpi)
+entry_ir(callr) entry_fn(calli)
+entry(prepare)
+entry_ir(pushargr) entry_im(pushargi)
+entry_ir(finishr) entry_fn(finishi)
+entry(ret)
+entry_ir(retr) entry_im(reti)
+entry_ir(retval_c) entry_ir(retval_uc)
+entry_ir(retval_s) entry_ir(retval_us)
+entry_ir(retval_i)
+#if __WORDSIZE == 64
+entry_ir(retval_ui) entry_ir(retval_l)
+#endif
+entry_ir(retval)
+entry(epilog)
+entry_ca(arg_f) entry_fa(getarg_f)
+entry_fa(putargr_f) entry_fma(putargi_f)
+entry_fr_fr_fr(addr_f) entry_fr_fr_fm(addi_f)
+entry_fr_fr_fr(subr_f) entry_fr_fr_fm(subi_f)
+entry_fr_fr_fr(rsbr_f) entry_fr_fr_fm(rsbi_f)
+entry_fr_fr_fr(mulr_f) entry_fr_fr_fm(muli_f)
+entry_fr_fr_fr(divr_f) entry_fr_fr_fm(divi_f)
+entry_fr_fr(negr_f) entry_fr_fr(absr_f)
+entry_fr_fr(sqrtr_f)
+entry_ir_fr_fr(ltr_f) entry_ir_fr_fm(lti_f)
+entry_ir_fr_fr(ler_f) entry_ir_fr_fm(lei_f)
+entry_ir_fr_fr(eqr_f) entry_ir_fr_fm(eqi_f)
+entry_ir_fr_fr(ger_f) entry_ir_fr_fm(gei_f)
+entry_ir_fr_fr(gtr_f) entry_ir_fr_fm(gti_f)
+entry_ir_fr_fr(ner_f) entry_ir_fr_fm(nei_f)
+entry_ir_fr_fr(unltr_f) entry_ir_fr_fm(unlti_f)
+entry_ir_fr_fr(unler_f) entry_ir_fr_fm(unlei_f)
+entry_ir_fr_fr(uneqr_f) entry_ir_fr_fm(uneqi_f)
+entry_ir_fr_fr(unger_f) entry_ir_fr_fm(ungei_f)
+entry_ir_fr_fr(ungtr_f) entry_ir_fr_fm(ungti_f)
+entry_ir_fr_fr(ltgtr_f) entry_ir_fr_fm(ltgti_f)
+entry_ir_fr_fr(ordr_f) entry_ir_fr_fm(ordi_f)
+entry_ir_fr_fr(unordr_f) entry_ir_fr_fm(unordi_f)
+entry_ir_fr(truncr_f_i)
+#if __WORDSIZE == 64
+entry_ir_fr(truncr_f_l)
+#endif
+entry_ir_fr(truncr_f)
+entry_fr_ir(extr_f) entry_fr_fr(extr_d_f)
+entry_fr_fr(movr_f) entry_fr_fm(movi_f)
+entry_fr_ir(ldr_f) entry_fr_pm(ldi_f)
+entry_fr_ir_ir(ldxr_f) entry_fr_ir_im(ldxi_f)
+entry_ir_fr(str_f) entry_pm_fr(sti_f)
+entry_ir_ir_fr(stxr_f) entry_im_ir_fr(stxi_f)
+entry_lb_fr_fr(bltr_f) entry_lb_fr_fm(blti_f)
+entry_lb_fr_fr(bler_f) entry_lb_fr_fm(blei_f)
+entry_lb_fr_fr(beqr_f) entry_lb_fr_fm(beqi_f)
+entry_lb_fr_fr(bger_f) entry_lb_fr_fm(bgei_f)
+entry_lb_fr_fr(bgtr_f) entry_lb_fr_fm(bgti_f)
+entry_lb_fr_fr(bner_f) entry_lb_fr_fm(bnei_f)
+entry_lb_fr_fr(bunltr_f) entry_lb_fr_fm(bunlti_f)
+entry_lb_fr_fr(bunler_f) entry_lb_fr_fm(bunlei_f)
+entry_lb_fr_fr(buneqr_f) entry_lb_fr_fm(buneqi_f)
+entry_lb_fr_fr(bunger_f) entry_lb_fr_fm(bungei_f)
+entry_lb_fr_fr(bungtr_f) entry_lb_fr_fm(bungti_f)
+entry_lb_fr_fr(bltgtr_f) entry_lb_fr_fm(bltgti_f)
+entry_lb_fr_fr(bordr_f) entry_lb_fr_fm(bordi_f)
+entry_lb_fr_fr(bunordr_f) entry_lb_fr_fm(bunordi_f)
+entry_fr(pushargr_f) entry_fm(pushargi_f)
+entry_fr(retr_f) entry_fm(reti_f)
+entry_fr(retval_f)
+entry_ca(arg_d) entry_fa(getarg_d)
+entry_fa(putargr_d) entry_fma(putargi_d)
+entry_fr_fr_fr(addr_d) entry_fr_fr_dm(addi_d)
+entry_fr_fr_fr(subr_d) entry_fr_fr_dm(subi_d)
+entry_fr_fr_fr(rsbr_d) entry_fr_fr_dm(rsbi_d)
+entry_fr_fr_fr(mulr_d) entry_fr_fr_dm(muli_d)
+entry_fr_fr_fr(divr_d) entry_fr_fr_dm(divi_d)
+entry_fr_fr(negr_d) entry_fr_fr(absr_d)
+entry_fr_fr(sqrtr_d)
+entry_ir_fr_fr(ltr_d) entry_ir_fr_dm(lti_d)
+entry_ir_fr_fr(ler_d) entry_ir_fr_dm(lei_d)
+entry_ir_fr_fr(eqr_d) entry_ir_fr_dm(eqi_d)
+entry_ir_fr_fr(ger_d) entry_ir_fr_dm(gei_d)
+entry_ir_fr_fr(gtr_d) entry_ir_fr_dm(gti_d)
+entry_ir_fr_fr(ner_d) entry_ir_fr_dm(nei_d)
+entry_ir_fr_fr(unltr_d) entry_ir_fr_dm(unlti_d)
+entry_ir_fr_fr(unler_d) entry_ir_fr_dm(unlei_d)
+entry_ir_fr_fr(uneqr_d) entry_ir_fr_dm(uneqi_d)
+entry_ir_fr_fr(unger_d) entry_ir_fr_dm(ungei_d)
+entry_ir_fr_fr(ungtr_d) entry_ir_fr_dm(ungti_d)
+entry_ir_fr_fr(ltgtr_d) entry_ir_fr_dm(ltgti_d)
+entry_ir_fr_fr(ordr_d) entry_ir_fr_dm(ordi_d)
+entry_ir_fr_fr(unordr_d) entry_ir_fr_dm(unordi_d)
+entry_ir_fr(truncr_d_i)
+#if __WORDSIZE == 64
+entry_ir_fr(truncr_d_l)
+#endif
+entry_ir_fr(truncr_d)
+entry_fr_ir(extr_d) entry_fr_fr(extr_f_d)
+entry_fr_fr(movr_d) entry_fr_dm(movi_d)
+entry_fr_ir(ldr_d) entry_fr_pm(ldi_d)
+entry_fr_ir_ir(ldxr_d) entry_fr_ir_im(ldxi_d)
+entry_ir_fr(str_d) entry_pm_fr(sti_d)
+entry_ir_ir_fr(stxr_d) entry_im_ir_fr(stxi_d)
+entry_lb_fr_fr(bltr_d) entry_lb_fr_dm(blti_d)
+entry_lb_fr_fr(bler_d) entry_lb_fr_dm(blei_d)
+entry_lb_fr_fr(beqr_d) entry_lb_fr_dm(beqi_d)
+entry_lb_fr_fr(bger_d) entry_lb_fr_dm(bgei_d)
+entry_lb_fr_fr(bgtr_d) entry_lb_fr_dm(bgti_d)
+entry_lb_fr_fr(bner_d) entry_lb_fr_dm(bnei_d)
+entry_lb_fr_fr(bunltr_d) entry_lb_fr_dm(bunlti_d)
+entry_lb_fr_fr(bunler_d) entry_lb_fr_dm(bunlei_d)
+entry_lb_fr_fr(buneqr_d) entry_lb_fr_dm(buneqi_d)
+entry_lb_fr_fr(bunger_d) entry_lb_fr_dm(bungei_d)
+entry_lb_fr_fr(bungtr_d) entry_lb_fr_dm(bungti_d)
+entry_lb_fr_fr(bltgtr_d) entry_lb_fr_dm(bltgti_d)
+entry_lb_fr_fr(bordr_d) entry_lb_fr_dm(bordi_d)
+entry_lb_fr_fr(bunordr_d) entry_lb_fr_dm(bunordi_d)
+entry_fr(pushargr_d) entry_dm(pushargi_d)
+entry_fr(retr_d) entry_dm(reti_d)
+entry_fr(retval_d)
+static void
+vastart(void)
+{
+ jit_gpr_t r0 = get_ireg();
+ jit_va_start(r0);
+}
+static void
+vapush(void)
+{
+ jit_gpr_t r0 = get_ireg();
+ jit_va_push(r0);
+}
+static void
+vaarg(void)
+{
+ jit_gpr_t r0 = get_ireg(), r1 = get_ireg();
+ jit_va_arg(r0, r1);
+}
+static void
+vaarg_d(void)
+{
+ jit_fpr_t r0 = get_freg();
+ jit_gpr_t r1 = get_ireg();
+ jit_va_arg_d(r0, r1);
+}
+static void
+vaend(void)
+{
+ jit_gpr_t r0 = get_ireg();
+ jit_va_end(r0);
+}
+#undef entry_fn
+#undef entry_fm
+#undef entry_dm
+#undef entry_lb_fr_fm
+#undef entry_lb_fr_dm
+#undef entry_lb_fr_fr
+#undef entry_im_ir_fr
+#undef entry_ir_ir_fr
+#undef entry_pm_fr
+#undef entry_fr_ir_ir
+#undef entry_fr_ir_im
+#undef entry_fr_pm
+#undef entry_fr_fm
+#undef entry_fr_dm
+#undef entry_fr_ir
+#undef entry_ir_fr
+#undef entry_ir_fr_fm
+#undef entry_ir_fr_dm
+#undef entry_ir_fr_fr
+#undef entry_fr_fr
+#undef entry_fr_fr_fm
+#undef entry_fr_fr_dm
+#undef entry_fr_fr_fr
+#undef entry_fma
+#undef entry_fa
+#undef entry_pm
+#undef entry_lb
+#undef entry_lb_ir_im
+#undef entry_lb_ir_ir
+#undef entry_im_ir_ir
+#undef entry_pm_ir
+#undef entry_ir_pm
+#undef entry_ir_im
+#undef entry_ir_ir
+#undef entry_ir_ir_im
+#undef entry_ir_ir_ir
+#undef entry_ima
+#undef entry_ir
+#undef entry_im
+#undef entry_ia
+#undef entry_ca
+#undef entry
+
+static void
+error(const char *format, ...)
+{
+ va_list ap;
+ int length;
+ char *string;
+
+ va_start(ap, format);
+ message("error", format, ap);
+ va_end(ap);
+ length = parser.data.length - parser.data.offset;
+ string = (char *)(parser.data.buffer + parser.data.offset - 1);
+ if (length > 77)
+ strcpy(string + 74, "...");
+ else
+ parser.data.buffer[parser.data.length - 1] = '\0';
+ fprintf(stderr, "(%s)\n", string);
+ exit(-1);
+}
+
+static void
+warn(const char *format, ...)
+{
+ va_list ap;
+ va_start(ap, format);
+ message("warning", format, ap);
+ va_end(ap);
+}
+
+static void
+message(const char *kind, const char *format, va_list ap)
+{
+ fprintf(stderr, "%s:%d: %s: ", parser.name,
+ parser.line - parser.newline, kind);
+ vfprintf(stderr, format, ap);
+ fputc('\n', stderr);
+}
+
+static int
+getch(void)
+{
+ int ch;
+
+ if (parser.data.offset < parser.data.length)
+ ch = parser.data.buffer[parser.data.offset++];
+ else {
+ /* keep first offset for ungetch */
+ if ((parser.data.length = fread(parser.data.buffer + 1, 1,
+ sizeof(parser.data.buffer) - 1,
+ parser.fp) + 1) <= 1) {
+ ch = EOF;
+ parser.data.offset = 1;
+ }
+ else {
+ ch = parser.data.buffer[1];
+ parser.data.offset = 2;
+ }
+ }
+ if ((parser.newline = ch == '\n'))
+ ++parser.line;
+
+ return (ch);
+}
+
+static int
+getch_noeof(void)
+{
+ int ch = getch();
+
+ if (ch == EOF)
+ error("unexpected end of file");
+
+ return (ch);
+}
+
+static int
+ungetch(int ch)
+{
+ if ((parser.newline = ch == '\n'))
+ --parser.line;
+
+ if (parser.data.offset)
+ parser.data.buffer[--parser.data.offset] = ch;
+ else
+ /* overwrite */
+ parser.data.buffer[0] = ch;
+
+ return (ch);
+}
+
+static int
+skipws(void)
+{
+ int ch;
+
+ for (ch = getch();; ch = getch()) {
+ switch (ch) {
+ case '/':
+ ch = skipct();
+ break;
+ case '#':
+ ch = skipcp();
+ break;
+ }
+ switch (ch) {
+ case ' ': case '\f': case '\r': case '\t':
+ break;
+ default:
+ return (ch);
+ }
+ }
+}
+
+static int
+skipnl(void)
+{
+ int ch;
+
+ for (ch = getch();; ch = getch()) {
+ switch (ch) {
+ case '/':
+ ch = skipct();
+ break;
+ case '#':
+ ch = skipcp();
+ break;
+ }
+ switch (ch) {
+ case ' ': case '\f': case '\n': case '\r': case '\t':
+ break;
+ /* handle as newline */
+ case ';':
+ break;
+ default:
+ return (ch);
+ }
+ }
+}
+
+static int
+skipct(void)
+{
+ int ch;
+
+ ch = getch();
+ switch (ch) {
+ case '/':
+ for (ch = getch(); ch != '\n' && ch != EOF; ch = getch())
+ ;
+ return (ch);
+ case '*':
+ for (; ch != '/';) {
+ while (getch_noeof() != '*')
+ ;
+ while ((ch = getch_noeof()) == '*')
+ ;
+ }
+ return (getch());
+ default:
+ ungetch(ch);
+ return ('/');
+ }
+}
+
+static int
+skipcp(void)
+{
+ int ch;
+
+ for (ch = getch(); ch != '\n' && ch != EOF; ch = getch()) {
+ switch (ch) {
+ case '0' ... '9':
+ if ((number(ch)) == tok_int)
+ parser.line = parser.value.i - 1;
+ break;
+ case '"':
+ string();
+ if (parser.offset >= (int)sizeof(parser.name)) {
+ strncpy(parser.name, parser.string, sizeof(parser.name));
+ parser.name[sizeof(parser.name) - 1] = '\0';
+ }
+ else
+ strcpy(parser.name, parser.string);
+ break;
+ default:
+ break;
+ }
+ }
+
+ return (ch);
+}
+
+static jit_word_t
+get_int(skip_t skip)
+{
+ switch (primary(skip)) {
+ case tok_int:
+ break;
+ case tok_pointer:
+ parser.type = type_l;
+ parser.value.i = (jit_word_t)parser.value.p;
+ break;
+ default:
+ error("expecting integer");
+ }
+
+ return (parser.value.i);
+}
+
+static jit_uword_t
+get_uint(skip_t skip)
+{
+ switch (primary(skip)) {
+ case tok_char: case tok_int:
+ break;
+ case tok_pointer:
+ parser.type = type_l;
+ parser.value.ui = (jit_uword_t)parser.value.p;
+ break;
+ default:
+ error("expecting integer");
+ }
+
+ return (parser.value.ui);
+}
+
+static double
+get_float(skip_t skip)
+{
+ switch (primary(skip)) {
+ case tok_char:
+ case tok_int:
+ parser.type = type_d;
+ parser.value.d = parser.value.i;
+ break;
+ case tok_float:
+ break;
+ default:
+ error("expecting float");
+ }
+
+ return (parser.value.d);
+}
+
+/* Workaround gcc not converting unordered values from double to
+ * float (as done in other architectures) on s390 */
+static float
+make_float(double d)
+{
+ /* This is an workaround to a bug in Hercules s390 emulator,
+ * and at least HP-UX ia64 not have these */
+#if defined(HAVE_ISNAN) && defined(HAVE_ISINF)
+ if (isnan(d)) return ( 0.0f/0.0f);
+ if (isinf(d)) {
+ if (d > 0.0) return ( 1.0f/0.0f);
+ else return (-1.0f/0.0f);
+ }
+#endif
+ return ((float)d);
+}
+
+static void *
+get_pointer(skip_t skip)
+{
+ label_t *label;
+ token_t token = primary(skip);
+
+ switch (token) {
+ case tok_symbol:
+ label = get_label_by_name(parser.string);
+ if (label == NULL)
+ error("bad identifier %s", parser.string);
+ switch (label->kind) {
+ case label_kind_data:
+ case label_kind_code:
+ break;
+ case label_kind_code_forward:
+ /* as expression arguments */
+ error("forward references not implemented");
+ break;
+ case label_kind_dynamic:
+ break;
+ }
+ parser.type = type_p;
+ return (parser.value.p = label->value);
+ case tok_int:
+ parser.type = type_p;
+ return (parser.value.p = (void *)parser.value.ui);
+ case tok_pointer:
+ return (parser.value.p);
+ default: error("bad pointer");
+ }
+}
+
+static label_t *
+get_label(skip_t skip)
+{
+ label_t *label;
+ int ch = skipws();
+
+ switch (ch) {
+ case '@':
+ (void)dynamic();
+ break;
+ case 'a' ... 'z': case 'A' ... 'Z': case '_':
+ (void)identifier(ch);
+ break;
+ default:
+ error("expecting label/immediate");
+ }
+ if ((label = get_label_by_name(parser.string)) == NULL)
+ label = new_label(label_kind_code_forward,
+ parser.string, jit_forward());
+
+ return (label);
+}
+
+static token_t
+regname(void)
+{
+ jit_word_t num;
+ int check = 1, ch = getch();
+
+ switch (ch) {
+ case 'r':
+ parser.regtype = type_l;
+ switch (ch = getch()) {
+ case '0': parser.regval = JIT_R0; break;
+ case '1': parser.regval = JIT_R1; break;
+ case '2': parser.regval = JIT_R2; break;
+ case '(':
+ num = get_int(skip_none);
+ if (num < 0 || num >= JIT_R_NUM) goto fail;
+ parser.regval = JIT_R(num);
+ if (getch() != ')') goto fail;
+ check = 0;
+ break;
+ default: goto fail;
+ }
+ break;
+ case 'v':
+ parser.regtype = type_l;
+ switch (ch = getch()) {
+ case '0': parser.regval = JIT_V0; break;
+ case '1': parser.regval = JIT_V1; break;
+ case '2': parser.regval = JIT_V2; break;
+ default: goto fail;
+ case '(':
+ num = get_int(skip_none);
+ if (num < 0 || num >= JIT_V_NUM) goto fail;
+ parser.regval = JIT_V(num);
+ if (getch() != ')') goto fail;
+ check = 0;
+ break;
+ }
+ break;
+ case 'f':
+ parser.regtype = type_d;
+ switch (ch = getch()) {
+ case '0': parser.regval = JIT_F0; break;
+ case '1': parser.regval = JIT_F1; break;
+ case '2': parser.regval = JIT_F2; break;
+ case '3': parser.regval = JIT_F3; break;
+ case '4': parser.regval = JIT_F4; break;
+ case '5': parser.regval = JIT_F5; break;
+ case 'p':
+ parser.regtype = type_l; /* oops */
+ parser.regval = JIT_FP; break;
+ case '(':
+ num = get_int(skip_none);
+ if (num < 0 || num >= JIT_F_NUM) goto fail;
+ parser.regval = JIT_F(num);
+ if (getch() != ')') goto fail;
+ check = 0;
+ break;
+ default: goto fail;
+ }
+ break;
+ default:
+ fail:
+ error("bad register");
+ }
+ if (check) {
+ ch = getch();
+ if ((ch >= 'a' && ch <= 'z') ||
+ (ch >= 'A' && ch <= 'Z') ||
+ (ch >= '0' && ch <= '9') ||
+ ch == '_')
+ goto fail;
+ ungetch(ch);
+ }
+
+ return (tok_register);
+}
+
+static token_t
+identifier(int ch)
+{
+ parser.string[0] = ch;
+ for (parser.offset = 1;;) {
+ switch ((ch = getch())) {
+ case 'a' ... 'z': case 'A' ... 'Z': case '0' ... '9' : case '_':
+ if (parser.offset + 1 >= MAX_IDENTIFIER) {
+ parser.string[parser.offset] = '\0';
+ error("bad identifier %s", parser.string);
+ }
+ parser.string[parser.offset++] = ch;
+ break;
+ default:
+ parser.string[parser.offset] = '\0';
+ ungetch(ch);
+ return (tok_symbol);
+ }
+ }
+}
+
+static void
+get_data(type_t type)
+{
+ int ch;
+ token_t token;
+ char *test = data;
+
+ for (;;) {
+ switch (type) {
+ case type_c:
+ switch (token = primary(skip_ws)) {
+ case tok_char: case tok_int:
+ check_data(sizeof(signed char));
+ *(signed char *)(data + data_offset) = parser.value.i;
+ data_offset += sizeof(char);
+ break;
+ case tok_string:
+ check_data(parser.offset);
+ memcpy(data + data_offset, parser.string,
+ parser.offset);
+ data_offset += parser.offset;
+ break;
+ case tok_newline:
+ case tok_semicollon:
+ if (test == data) error("syntax error");
+ return;
+ default: error("bad initializer");
+ }
+ break;
+ case type_s:
+ check_data(sizeof(signed short));
+ *(signed short *)(data + data_offset) = get_int(skip_ws);
+ data_offset += sizeof(short);
+ break;
+ case type_i:
+ check_data(sizeof(signed int));
+ *(signed int *)(data + data_offset) = get_int(skip_ws);
+ data_offset += sizeof(int);
+ break;
+ case type_l:
+ check_data(sizeof(jit_word_t));
+ *(jit_word_t *)(data + data_offset) = get_int(skip_ws);
+ data_offset += sizeof(jit_word_t);
+ break;
+ case type_f:
+ check_data(sizeof(float));
+ *(float *)(data + data_offset) = get_float(skip_ws);
+ data_offset += sizeof(float);
+ break;
+ case type_d:
+ check_data(sizeof(double));
+ *(double *)(data + data_offset) = get_float(skip_ws);
+ data_offset += sizeof(double);
+ break;
+ case type_p:
+ /* FIXME **patch if realloc** */
+ check_data(sizeof(void*));
+ *(void **)(data + data_offset) = get_pointer(skip_ws);
+ data_offset += sizeof(void*);
+ break;
+ default:
+ abort();
+ }
+ ch = skipws();
+ if (ch == '\n' || ch == ';' || ch == EOF)
+ break;
+ ungetch(ch);
+ }
+}
+
+static void
+dot(void)
+{
+ int ch;
+ size_t offset, length;
+
+ switch (ch = getch_noeof()) {
+ case '$':
+ /* use .$(expression) for non side effects expression */
+ (void)expression();
+ return;
+ case 'a' ... 'z': case 'A' ... 'Z': case '_':
+ (void)identifier(ch);
+ break;
+ default:
+ ungetch(ch);
+ if (skipws() != '$')
+ error("expecting symbol");
+ /* allow spaces before an expression */
+ (void)expression();
+ return;
+ }
+ if (parser.string[1] == '\0') {
+ switch (parser.string[0]) {
+ case 'c': get_data(type_c); break;
+ case 's': get_data(type_s); break;
+ case 'i': get_data(type_i); break;
+ case 'l': get_data(type_l); break;
+ case 'f': get_data(type_f); break;
+ case 'd': get_data(type_d); break;
+ case 'p': get_data(type_p); break;
+ default: error("bad type .%c", parser.string[0]);
+ }
+ }
+ else if (strcmp(parser.string, "data") == 0) {
+ if (parser.parsing != PARSING_NONE)
+ error(".data must be specified once and be the first section");
+ parser.parsing = PARSING_DATA;
+ data_length = get_int(skip_ws);
+ data = (char *)xcalloc(1, data_length);
+ }
+ else if (strcmp(parser.string, "code") == 0) {
+ if (parser.parsing != PARSING_NONE &&
+ parser.parsing != PARSING_DATA)
+ error(".code must be specified once only");
+ parser.parsing = PARSING_CODE;
+ }
+ else if (strcmp(parser.string, "align") == 0) {
+ length = get_int(skip_ws);
+ if (parser.parsing != PARSING_DATA)
+ error(".align must be in .data");
+ if (length > 1 && length <= 4096 && !(length & (length - 1))) {
+ offset = data_offset;
+ offset += length - ((offset + length) % length);
+ check_data(offset - data_offset);
+ data_offset = offset;
+ }
+ else
+ error("bad .align %ld (must be a power of 2, >= 2 && <= 4096)",
+ (jit_word_t)length);
+ }
+ else if (strcmp(parser.string, "size") == 0) {
+ length = get_int(skip_ws);
+ if (parser.parsing != PARSING_DATA)
+ error(".size must be in .data");
+ check_data(length);
+ data_offset += length;
+ }
+ else if (strcmp(parser.string, "disasm") == 0)
+ flag_disasm = 1;
+ else
+ error("unknown command .%s", parser.string);
+}
+
+static token_t
+number(int ch)
+{
+ char buffer[1024], *endptr;
+ int integer = 1, offset = 0, neg = 0, e = 0, d = 0, base = 10;
+
+ for (;; ch = getch()) {
+ switch (ch) {
+ case '-':
+ if (offset == 0) {
+ neg = 1;
+ continue;
+ }
+ if (offset && buffer[offset - 1] != 'e') {
+ ungetch(ch);
+ goto done;
+ }
+ break;
+ case '+':
+ if (offset == 0)
+ continue;
+ if (offset && buffer[offset - 1] != 'e') {
+ ungetch(ch);
+ goto done;
+ }
+ break;
+ case '.':
+ if (d)
+ goto fail;
+ d = 1;
+ base = 10;
+ integer = 0;
+ break;
+ case '0':
+ if (offset == 0 && base == 10) {
+ base = 8;
+ continue;
+ }
+ break;
+ case 'b':
+ if (offset == 0 && base == 8) {
+ base = 2;
+ continue;
+ }
+ if (base != 16)
+ goto fail;
+ break;
+ case '1':
+ break;
+ case '2' ... '7':
+ if (base < 8)
+ goto fail;
+ break;
+ case '8': case '9':
+ if (base < 10)
+ goto fail;
+ break;
+ case 'x':
+ if (offset == 0 && base == 8) {
+ base = 16;
+ continue;
+ }
+ goto fail;
+ case 'a': case 'c': case 'd': case 'f':
+ if (base < 16)
+ goto fail;
+ break;
+ case 'e':
+ if (e)
+ goto fail;
+ if (base != 16) {
+ e = 1;
+ base = 10;
+ integer = 0;
+ }
+ break;
+ case '_': case 'g' ... 'w': case 'y': case 'z': case 'A' ... 'Z':
+ fail:
+ buffer[offset++] = '\0';
+ error("bad constant %s", buffer);
+ default:
+ ungetch(ch);
+ goto done;
+ }
+ if (offset + 1 >= (int)sizeof(buffer))
+ goto fail;
+ buffer[offset++] = ch;
+ }
+done:
+ /* check for literal 0 */
+ if (offset == 0 && base == 8) buffer[offset++] = '0';
+ buffer[offset] = '\0';
+ if (integer) {
+#if _WIN32
+# define STRTOUL strtoull
+#else
+# define STRTOUL strtoul
+#endif
+ parser.value.ui = STRTOUL(buffer, &endptr, base);
+ parser.type = type_l;
+ if (neg)
+ parser.value.i = -parser.value.i;
+ }
+ else {
+ parser.type = type_d;
+ parser.value.d = strtod(buffer, &endptr);
+ if (neg)
+ parser.value.d = -parser.value.d;
+ }
+ if (*endptr)
+ goto fail;
+
+ return (integer ? tok_int : tok_float);
+}
+
+static int
+escape(int ch)
+{
+ switch (ch) {
+ case 'a': ch = '\a'; break;
+ case 'b': ch = '\b'; break;
+ case 'f': ch = '\f'; break;
+ case 'n': ch = '\n'; break;
+ case 'r': ch = '\r'; break;
+ case 't': ch = '\t'; break;
+ case 'v': ch = '\v'; break;
+ default: break;
+ }
+
+ return (ch);
+}
+
+static token_t
+string(void)
+{
+ int ch, esc = 0;
+
+ for (parser.offset = 0;;) {
+ switch (ch = getch_noeof()) {
+ case '\\':
+ if (esc) goto append;
+ esc = 1;
+ break;
+ case '"':
+ if (!esc) {
+ parser.string[parser.offset++] = '\0';
+ parser.value.p = parser.string;
+ parser.type = type_p;
+ return (tok_string);
+ }
+ /* FALLTHROUGH */
+ default:
+ append:
+ if (esc) {
+ ch = escape(ch);
+ esc = 0;
+ }
+ if (parser.offset + 1 >= parser.length) {
+ parser.length += 4096;
+ parser.string = (char *)xrealloc(parser.string,
+ parser.length);
+ }
+ parser.string[parser.offset++] = ch;
+ break;
+ }
+ }
+}
+
+static token_t
+character(void)
+{
+ int ch, esc = 0;
+
+ if ((ch = getch_noeof()) == '\\') {
+ esc = 1;
+ ch = getch();
+ }
+ if (getch_noeof() != '\'')
+ error("bad single byte char");
+ if (esc)
+ ch = escape(ch);
+ parser.type = type_l;
+ parser.value.i = ch & 0xff;
+
+ return (tok_char);
+}
+
+static token_t
+dynamic(void)
+{
+ label_t *label;
+ void *value;
+ char *string;
+ (void)identifier('@');
+ if ((label = get_label_by_name(parser.string)) == NULL) {
+#if __CYGWIN__ ||_WIN32
+ /* FIXME kludge to pass varargs test case, otherwise,
+ * will not print/scan float values */
+ if (strcmp(parser.string + 1, "sprintf") == 0)
+ value = sprintf;
+ else if (strcmp(parser.string + 1, "sscanf") == 0)
+ value = sscanf;
+ else
+#endif
+ {
+ value = dlsym(DL_HANDLE, parser.string + 1);
+ if ((string = dlerror()))
+ error("%s", string);
+ }
+ label = new_label(label_kind_dynamic, parser.string, value);
+ }
+ parser.type = type_p;
+ parser.value.p = label->value;
+
+ return (tok_pointer);
+}
+
+static void
+expression_prim(void)
+{
+ int ch;
+ token_t token;
+ label_t *label;
+ symbol_t *symbol;
+
+ if (parser.putback) {
+ parser.expr = parser.putback;
+ parser.putback = (expr_t)0;
+ return;
+ }
+ switch (ch = skipws()) {
+ case '!':
+ if ((ch = getch_noeof()) == '=') parser.expr = expr_ne;
+ else {
+ ungetch(ch); parser.expr = expr_not;
+ }
+ break;
+ case '~': parser.expr = expr_com;
+ break;
+ case '*':
+ if ((ch = getch_noeof()) == '=') parser.expr = expr_mulset;
+ else {
+ ungetch(ch); parser.expr = expr_mul;
+ }
+ break;
+ case '/':
+ if ((ch = getch_noeof()) == '=') parser.expr = expr_divset;
+ else {
+ ungetch(ch); parser.expr = expr_div;
+ }
+ break;
+ case '%':
+ if ((ch = getch_noeof()) == '=') parser.expr = expr_remset;
+ else {
+ ungetch(ch); parser.expr = expr_rem;
+ }
+ break;
+ case '+':
+ switch (ch = getch_noeof()) {
+ case '+': parser.expr = expr_inc;
+ break;
+ case '=': parser.expr = expr_addset;
+ break;
+ default: ungetch(ch); parser.expr = expr_add;
+ break;
+ }
+ break;
+ case '-':
+ switch (ch = getch_noeof()) {
+ case '-': parser.expr = expr_dec;
+ break;
+ case '=': parser.expr = expr_subset;
+ break;
+ default: ungetch(ch); parser.expr = expr_sub;
+ break;
+ }
+ break;
+ case '<':
+ switch (ch = getch_noeof()) {
+ case '=': parser.expr = expr_le;
+ break;
+ case '<': ch = getch_noeof();
+ if (ch == '=') parser.expr = expr_lshset;
+ else {
+ ungetch(ch); parser.expr = expr_lsh;
+ }
+ break;
+ default: ungetch(ch); parser.expr = expr_lt;
+ break;
+ }
+ break;
+ case '>':
+ switch (ch = getch_noeof()) {
+ case '=': parser.expr = expr_ge;
+ break;
+ case '>': ch = getch_noeof();
+ if (ch == '=') parser.expr = expr_rshset;
+ else {
+ ungetch(ch); parser.expr = expr_rsh;
+ }
+ break;
+ default: ungetch(ch); parser.expr = expr_gt;
+ break;
+ }
+ break;
+ case '&':
+ switch (ch = getch_noeof()) {
+ case '=': parser.expr = expr_andset;
+ break;
+ case '&': parser.expr = expr_andand;
+ break;
+ default: ungetch(ch); parser.expr = expr_and;
+ break;
+ }
+ break;
+ case '|':
+ switch (ch = getch_noeof()) {
+ case '=': parser.expr = expr_orset;
+ break;
+ case '|': parser.expr = expr_oror;
+ break;
+ default: ungetch(ch); parser.expr = expr_or;
+ break;
+ }
+ break;
+ case '^':
+ if ((ch = getch_noeof()) == '=') parser.expr = expr_xorset;
+ else {
+ ungetch(ch); parser.expr = expr_xor;
+ }
+ break;
+ case '=':
+ if ((ch = getch_noeof()) == '=') parser.expr = expr_eq;
+ else {
+ ungetch(ch); parser.expr = expr_set;
+ }
+ break;
+ case '(': parser.expr = expr_lparen;
+ break;
+ case ')': parser.expr = expr_rparen;
+ break;
+ case '0' ... '9':
+ token = number(ch);
+ parser.expr = token == tok_int ? expr_int : expr_float;
+ break;
+ case '@':
+ (void)dynamic();
+ parser.expr = expr_pointer;
+ break;
+ case '$':
+ identifier('$');
+ /* no support for nested expressions */
+ if (parser.string[0] == '\0')
+ error("syntax error");
+ parser.expr = expr_symbol;
+ if ((symbol = get_symbol_by_name(parser.string)) != NULL) {
+ parser.type = symbol->type;
+ parser.value = symbol->value;
+ }
+ else
+ /* only create symbol on assignment */
+ parser.type = type_none;
+ break;
+ case 'a' ... 'z': case 'A' ... 'Z': case '_':
+ identifier(ch);
+ if ((label = get_label_by_name(parser.string))) {
+ if (label->kind == label_kind_code_forward)
+ error("forward value for %s not supported",
+ parser.string);
+ parser.expr = expr_pointer;
+ parser.type = type_p;
+ parser.value.p = label->value;
+ }
+ else
+ error("invalid identifier %s", parser.string);
+ break;
+ case '\'':
+ character();
+ parser.expr = expr_int;
+ break;
+ case '"':
+ /* not smart enough to put it in data and/or relocate it, etc */
+ error("must declare strings as data");
+ default:
+ error("syntax error");
+ }
+}
+
+static void
+expression_inc(int pre)
+{
+ symbol_t *symbol;
+
+ if (pre) {
+ expression_prim();
+ if (parser.expr != expr_symbol)
+ error("syntax error");
+ }
+ if ((symbol = get_symbol_by_name(parser.string)) == NULL) {
+ if (!parser.short_circuit)
+ error("undefined symbol %s", symbol->name);
+ }
+ if (!parser.short_circuit) {
+ parser.type = symbol->type;
+ if (!pre)
+ parser.value = symbol->value;
+ switch (symbol->type) {
+ case type_l:
+ ++symbol->value.i;
+ break;
+ case type_d:
+ /* should really be an error */
+ symbol->value.d += 1.0;
+ break;
+ default:
+ ++parser.value.cp;
+ break;
+ }
+ if (pre)
+ parser.value = symbol->value;
+ }
+ expression_prim();
+}
+
+static void
+expression_dec(int pre)
+{
+ symbol_t *symbol;
+
+ if (pre) {
+ expression_prim();
+ if (parser.expr != expr_symbol)
+ error("syntax error");
+ }
+ if ((symbol = get_symbol_by_name(parser.string)) == NULL) {
+ if (!parser.short_circuit)
+ error("undefined symbol %s", symbol->name);
+ }
+ if (!parser.short_circuit) {
+ parser.type = symbol->type;
+ if (!pre)
+ parser.value = symbol->value;
+ switch (symbol->type) {
+ case type_l:
+ --symbol->value.i;
+ break;
+ case type_d:
+ /* should really be an error */
+ symbol->value.d -= 1.0;
+ break;
+ default:
+ --parser.value.cp;
+ break;
+ }
+ if (pre)
+ parser.value = symbol->value;
+ }
+ expression_prim();
+}
+
+static void
+expression_unary(void)
+{
+ symbol_t *symbol;
+ char buffer[256];
+
+ expression_prim();
+ switch (parser.expr) {
+ case expr_add:
+ expression_unary();
+ switch (parser.type) {
+ case type_l:
+ case type_d:
+ break;
+ default:
+ error("syntax error");
+ }
+ break;
+ case expr_sub:
+ expression_unary();
+ switch (parser.type) {
+ case type_l:
+ parser.value.i = -parser.value.i;
+ break;
+ case type_d:
+ parser.value.d = -parser.value.d;
+ break;
+ default:
+ error("syntax error");
+ }
+ break;
+ case expr_inc:
+ expression_inc(1);
+ break;
+ case expr_dec:
+ expression_dec(1);
+ break;
+ case expr_not:
+ expression_unary();
+ switch (parser.type) {
+ case type_l:
+ parser.value.i = !parser.value.i;
+ break;
+ case type_d:
+ parser.value.i = parser.value.d != 0;
+ break;
+ case type_p:
+ parser.value.i = parser.value.p != NULL;
+ break;
+ default:
+ error("syntax error");
+ }
+ parser.type = type_l;
+ break;
+ case expr_com:
+ expression_unary();
+ if (parser.type != type_l)
+ error("syntax error");
+ parser.value.i = ~parser.value.i;
+ break;
+ case expr_lparen:
+ expression_cond();
+ if (parser.expr != expr_rparen)
+ error("syntax error");
+ expression_prim();
+ break;
+ case expr_symbol:
+ strcpy(buffer, parser.string);
+ expression_prim();
+ switch (parser.expr) {
+ case expr_set:
+ if ((symbol = get_symbol_by_name(buffer)) == NULL) {
+ if (!parser.short_circuit)
+ symbol = new_symbol(buffer);
+ }
+ expression_cond();
+ set:
+ if (!parser.short_circuit) {
+ if (symbol == NULL)
+ error("syntax error");
+ symbol->type = parser.type;
+ symbol->value = parser.value;
+ }
+ break;
+ case expr_mulset: parser.putback = expr_mul;
+ goto check;
+ case expr_divset: parser.putback = expr_div;
+ goto check;
+ case expr_remset: parser.putback = expr_rem;
+ goto check;
+ case expr_addset: parser.putback = expr_add;
+ goto check;
+ case expr_subset: parser.putback = expr_sub;
+ goto check;
+ case expr_lshset: parser.putback = expr_lsh;
+ goto check;
+ case expr_rshset: parser.putback = expr_rsh;
+ goto check;
+ case expr_andset: parser.putback = expr_and;
+ goto check;
+ case expr_orset: parser.putback = expr_or;
+ goto check;
+ case expr_xorset: parser.putback = expr_xor;
+ check:
+ if ((symbol = get_symbol_by_name(buffer)) == NULL) {
+ if (!parser.short_circuit)
+ error("undefined symbol %s", buffer);
+ parser.type = type_l;
+ parser.value.i = 1;
+ }
+ switch (parser.putback) {
+ case expr_mul: case expr_div: case expr_rem:
+ expression_mul();
+ break;
+ case expr_add: case expr_sub:
+ expression_add();
+ break;
+ case expr_lsh: case expr_rsh:
+ expression_shift();
+ break;
+ case expr_and: case expr_or: case expr_xor:
+ expression_bit();
+ break;
+ default:
+ abort();
+ }
+ goto set;
+ case expr_inc:
+ expression_inc(0);
+ break;
+ case expr_dec:
+ expression_dec(0);
+ break;
+ default:
+ break;
+ }
+ break;
+ case expr_int:
+ case expr_float:
+ case expr_pointer:
+ /* make next token available */
+ expression_prim();
+ default:
+ break;
+ }
+}
+
+static void
+expression_mul(void)
+{
+ type_t type;
+ value_t value;
+
+ expression_unary();
+ switch (parser.type) {
+ case type_l: case type_d: case type_p: break;
+ default: return;
+ }
+ for (;;) {
+ switch (parser.expr) {
+ case expr_mul:
+ type = parser.type, value = parser.value;
+ expression_unary();
+ switch (parser.type) {
+ case type_l:
+ if (type == type_l)
+ value.i *= parser.value.i;
+ else
+ value.d *= parser.value.i;
+ break;
+ case type_d:
+ if (type == type_l) {
+ type = type_d;
+ value.d = value.i;
+ }
+ value.d *= parser.value.d;
+ break;
+ default:
+ error("invalid operand");
+ }
+ parser.type = type, parser.value = value;
+ break;
+ case expr_div:
+ type = parser.type, value = parser.value;
+ expression_unary();
+ switch (parser.type) {
+ case type_l:
+ if (type == type_l) {
+ if (parser.value.i == 0)
+ error("divide by zero");
+ value.i /= parser.value.i;
+ }
+ else
+ value.d /= parser.value.i;
+ break;
+ case type_d:
+ if (type == type_l) {
+ type = type_d;
+ value.d = value.i;
+ }
+ value.d /= parser.value.d;
+ break;
+ default:
+ error("invalid operand");
+ }
+ parser.type = type, parser.value = value;
+ break;
+ case expr_rem:
+ type = parser.type, value = parser.value;
+ expression_unary();
+ switch (parser.type) {
+ case type_l:
+ if (type == type_l) {
+ if (parser.value.i == 0)
+ error("divide by zero");
+ value.i %= parser.value.i;
+ }
+ else
+ error("invalid operand");
+ break;
+ default:
+ error("invalid operand");
+ }
+ parser.type = type, parser.value = value;
+ break;
+ default:
+ return;
+ }
+ }
+}
+
+static void
+expression_add(void)
+{
+ type_t type;
+ value_t value;
+
+ expression_mul();
+ switch (parser.type) {
+ case type_l: case type_d: case type_p: break;
+ default: return;
+ }
+ for (;;) {
+ switch (parser.expr) {
+ case expr_add:
+ type = parser.type, value = parser.value;
+ expression_mul();
+ switch (parser.type) {
+ case type_l:
+ switch (type) {
+ case type_l:
+ value.i += parser.value.i;
+ break;
+ case type_d:
+ value.d += parser.value.i;
+ break;
+ default:
+ value.cp += parser.value.i;
+ break;
+ }
+ break;
+ case type_d:
+ switch (type) {
+ case type_l:
+ type = type_d;
+ value.d = value.i;
+ break;
+ case type_d:
+ break;
+ default:
+ error("invalid operand");
+ }
+ value.d += parser.value.d;
+ break;
+ case type_p:
+ switch (type) {
+ case type_l:
+ type = type_p;
+ value.cp = value.i + parser.value.cp;
+ break;
+ default:
+ error("invalid operand");
+ }
+ break;
+ default:
+ error("invalid operand");
+ }
+ parser.type = type, parser.value = value;
+ break;
+ case expr_sub:
+ type = parser.type, value = parser.value;
+ expression_mul();
+ switch (parser.type) {
+ case type_l:
+ switch (type) {
+ case type_l:
+ value.i -= parser.value.i;
+ break;
+ case type_d:
+ value.d -= parser.value.i;
+ break;
+ default:
+ value.cp -= parser.value.i;
+ break;
+ }
+ break;
+ case type_d:
+ switch (type) {
+ case type_l:
+ type = type_d;
+ value.d = value.i;
+ break;
+ case type_d:
+ break;
+ default:
+ error("invalid operand");
+ }
+ value.d -= parser.value.d;
+ break;
+ case type_p:
+ switch (type) {
+ case type_p:
+ type = type_l;
+ value.i = value.cp - parser.value.cp;
+ break;
+ default:
+ error("invalid operand");
+ }
+ break;
+ default:
+ error("invalid operand");
+ }
+ parser.type = type, parser.value = value;
+ break;
+ default:
+ return;
+ }
+ }
+}
+
+static void
+expression_shift(void)
+{
+ jit_word_t value;
+ expression_add();
+
+ switch (parser.type) {
+ case type_l: case type_d: case type_p: break;
+ default: return;
+ }
+ for (;;) {
+ switch (parser.expr) {
+ case expr_lsh:
+ value = parser.value.i;
+ if (parser.type != type_l)
+ error("invalid operand");
+ expression_add();
+ if (parser.type != type_l)
+ error("invalid operand");
+ value <<= parser.value.i;
+ parser.value.i = value;
+ break;
+ case expr_rsh:
+ value = parser.value.i;
+ if (parser.type != type_l)
+ error("invalid operand");
+ expression_add();
+ if (parser.type != type_l)
+ error("invalid operand");
+ value >>= parser.value.i;
+ parser.value.i = value;
+ break;
+ default:
+ return;
+ }
+ }
+}
+
+static void
+expression_bit(void)
+{
+ jit_word_t i;
+
+ expression_shift();
+ switch (parser.type) {
+ case type_l: case type_d: case type_p: break;
+ default: return;
+ }
+ for (;;) {
+ switch (parser.expr) {
+ case expr_and:
+ if (parser.type != type_l)
+ error("invalid operand");
+ i = parser.value.i;
+ expression_shift();
+ if (parser.type != type_l)
+ error("invalid operand");
+ i &= parser.value.i;
+ parser.value.i = i;
+ break;
+ case expr_or:
+ if (parser.type != type_l)
+ error("invalid operand");
+ i = parser.value.i;
+ expression_shift();
+ if (parser.type != type_l)
+ error("invalid operand");
+ i |= parser.value.i;
+ parser.value.i = i;
+ break;
+ case expr_xor:
+ if (parser.type != type_l)
+ error("invalid operand");
+ i = parser.value.i;
+ expression_shift();
+ if (parser.type != type_l)
+ error("invalid operand");
+ i ^= parser.value.i;
+ parser.value.i = i;
+ break;
+ default:
+ return;
+ }
+ }
+}
+
+static void
+expression_rel(void)
+{
+ type_t type;
+ value_t value;
+
+ expression_bit();
+ switch (parser.type) {
+ case type_l: case type_d: case type_p: break;
+ default: return;
+ }
+ for (;;) {
+ switch (parser.expr) {
+ case expr_lt:
+ type = parser.type, value = parser.value;
+ expression_bit();
+ switch (parser.type) {
+ case type_l:
+ switch (type) {
+ case type_l:
+ value.i = value.i < parser.value.i;
+ break;
+ case type_d:
+ value.i = value.d < parser.value.i;
+ break;
+ default:
+ value.i = (jit_word_t)value.p < parser.value.i;
+ break;
+ }
+ break;
+ case type_d:
+ switch (type) {
+ case type_l:
+ value.i = value.i < parser.value.d;
+ break;
+ case type_d:
+ value.i = value.d < parser.value.d;
+ break;
+ default:
+ error("invalid operand");
+ }
+ break;
+ case type_p:
+ switch (type) {
+ case type_l:
+ value.i = value.i < (jit_word_t)parser.value.p;
+ break;
+ case type_d:
+ error("invalid operand");
+ default:
+ value.i = (jit_word_t)value.p < (jit_word_t)parser.value.p;
+ break;
+ }
+ break;
+ default:
+ error("invalid operand");
+ }
+ parser.type = type_l, parser.value = value;
+ break;
+ case expr_le:
+ type = parser.type, value = parser.value;
+ expression_bit();
+ switch (parser.type) {
+ case type_l:
+ switch (type) {
+ case type_l:
+ value.i = value.i <= parser.value.i;
+ break;
+ case type_d:
+ value.i = value.d <= parser.value.i;
+ break;
+ default:
+ value.i = (jit_word_t)value.p <= parser.value.i;
+ break;
+ }
+ break;
+ case type_d:
+ switch (type) {
+ case type_l:
+ value.i = value.i <= parser.value.d;
+ break;
+ case type_d:
+ value.i = value.d <= parser.value.d;
+ break;
+ default:
+ value.i = (jit_word_t)value.p <= parser.value.d;
+ break;
+ }
+ break;
+ case type_p:
+ switch (type) {
+ case type_l:
+ value.i = value.i <= (jit_word_t)parser.value.p;
+ break;
+ case type_d:
+ error("invalid operand");
+ default:
+ value.i = (jit_word_t)value.p <= (jit_word_t)parser.value.p;
+ break;
+ }
+ break;
+ default:
+ error("invalid operand");
+ }
+ parser.type = type_l, parser.value = value;
+ break;
+ case expr_eq:
+ type = parser.type, value = parser.value;
+ expression_bit();
+ switch (parser.type) {
+ case type_l:
+ switch (type) {
+ case type_l:
+ value.i = value.i == parser.value.i;
+ break;
+ case type_d:
+ value.i = value.d == parser.value.i;
+ break;
+ default:
+ value.i = (jit_word_t)value.p == parser.value.i;
+ break;
+ }
+ break;
+ case type_d:
+ switch (type) {
+ case type_l:
+ value.i = value.i == parser.value.d;
+ break;
+ case type_d:
+ value.i = value.d == parser.value.d;
+ break;
+ default:
+ error("invalid operand");
+ }
+ break;
+ case type_p:
+ switch (type) {
+ case type_l:
+ value.i = value.i == (jit_word_t)parser.value.p;
+ break;
+ case type_d:
+ error("invalid operand");
+ default:
+ value.i = value.p == parser.value.p;
+ break;
+ }
+ break;
+ default:
+ error("invalid operand");
+ }
+ parser.type = type_l, parser.value = value;
+ break;
+ case expr_ge:
+ type = parser.type, value = parser.value;
+ expression_bit();
+ switch (parser.type) {
+ case type_l:
+ switch (type) {
+ case type_l:
+ value.i = value.i >= parser.value.i;
+ break;
+ case type_d:
+ value.i = value.d >= parser.value.i;
+ break;
+ default:
+ value.i = (jit_word_t)value.p >= parser.value.i;
+ break;
+ }
+ break;
+ case type_d:
+ switch (type) {
+ case type_l:
+ value.i = value.i >= parser.value.d;
+ break;
+ case type_d:
+ value.i = value.d >= parser.value.d;
+ break;
+ default:
+ error("invalid operand");
+ }
+ break;
+ case type_p:
+ switch (type) {
+ case type_l:
+ value.i = value.i >= (jit_word_t)parser.value.p;
+ break;
+ case type_d:
+ error("invalid operand");
+ default:
+ value.i = (jit_word_t)value.p >= (jit_word_t)parser.value.p;
+ break;
+ }
+ break;
+ default:
+ error("invalid operand");
+ }
+ parser.type = type_l, parser.value = value;
+ break;
+ case expr_gt:
+ type = parser.type, value = parser.value;
+ expression_bit();
+ switch (parser.type) {
+ case type_l:
+ switch (type) {
+ case type_l:
+ value.i = value.i > parser.value.i;
+ break;
+ case type_d:
+ value.i = value.d > parser.value.i;
+ break;
+ default:
+ value.i = (jit_word_t)value.p > parser.value.i;
+ break;
+ }
+ break;
+ case type_d:
+ switch (type) {
+ case type_l:
+ value.i = value.i > parser.value.d;
+ break;
+ case type_d:
+ value.i = value.d > parser.value.d;
+ break;
+ default:
+ error("invalid operand");
+ }
+ break;
+ case type_p:
+ switch (type) {
+ case type_l:
+ value.i = value.i > (jit_word_t)parser.value.p;
+ break;
+ case type_d:
+ error("invalid operand");
+ default:
+ value.i = (jit_word_t)value.p > (jit_word_t)parser.value.p;
+ break;
+ }
+ break;
+ default:
+ error("invalid operand");
+ }
+ parser.type = type_l, parser.value = value;
+ break;
+ case expr_ne:
+ type = parser.type, value = parser.value;
+ expression_bit();
+ switch (parser.type) {
+ case type_l:
+ switch (type) {
+ case type_l:
+ value.i = value.i != parser.value.i;
+ break;
+ case type_d:
+ value.i = value.d != parser.value.i;
+ break;
+ default:
+ value.i = (jit_word_t)value.p != parser.value.i;
+ break;
+ }
+ break;
+ case type_d:
+ switch (type) {
+ case type_l:
+ value.i = value.i != parser.value.d;
+ break;
+ case type_d:
+ value.i = value.d != parser.value.d;
+ break;
+ default:
+ error("invalid operand");
+ }
+ break;
+ case type_p:
+ switch (type) {
+ case type_l:
+ value.i = value.i != (jit_word_t)parser.value.p;
+ break;
+ case type_d:
+ error("invalid operand");
+ default:
+ value.i = value.p != parser.value.p;
+ break;
+ }
+ break;
+ default:
+ error("invalid operand");
+ }
+ parser.type = type_l, parser.value = value;
+ break;
+ default:
+ return;
+ }
+ }
+}
+
+static void
+expression_cond(void)
+{
+ type_t type;
+ value_t value;
+ int short_circuit;
+
+ expression_rel();
+ switch (parser.type) {
+ case type_l: case type_d: case type_p: break;
+ default: return;
+ }
+ for (;;) {
+ switch (parser.expr) {
+ case expr_andand:
+ type = parser.type, value = parser.value;
+ switch (type) {
+ case type_l:
+ short_circuit = value.i == 0;
+ break;
+ case type_d:
+ short_circuit = value.d == 0.0;
+ break;
+ default:
+ short_circuit = value.p == NULL;
+ break;
+ }
+ parser.short_circuit += short_circuit;
+ expression_rel();
+ parser.short_circuit -= short_circuit;
+ switch (parser.type) {
+ case type_l:
+ switch (type) {
+ case type_l:
+ value.i = value.i && parser.value.i;
+ break;
+ case type_d:
+ value.i = value.d && parser.value.i;
+ break;
+ default:
+ value.i = value.p && parser.value.i;
+ break;
+ }
+ break;
+ case type_d:
+ switch (type) {
+ case type_l:
+ value.i = value.i && parser.value.d;
+ break;
+ case type_d:
+ value.i = value.d && parser.value.d;
+ break;
+ default:
+ value.i = value.p && parser.value.d;
+ break;
+ }
+ break;
+ case type_p:
+ switch (type) {
+ case type_l:
+ value.i = value.i && parser.value.p;
+ break;
+ case type_d:
+ value.i = value.d && parser.value.p;
+ break;
+ default:
+ value.i = value.p && parser.value.p;
+ break;
+ }
+ break;
+ default:
+ error("invalid operand");
+ }
+ parser.type = type_l, parser.value.i = value.i;
+ break;
+ case expr_oror:
+ type = parser.type, value = parser.value;
+ switch (type) {
+ case type_l:
+ short_circuit = value.i != 0;
+ break;
+ case type_d:
+ short_circuit = value.d != 0.0;
+ break;
+ default:
+ short_circuit = value.p != NULL;
+ break;
+ }
+ parser.short_circuit += short_circuit;
+ expression_rel();
+ parser.short_circuit -= short_circuit;
+ switch (parser.type) {
+ case type_l:
+ switch (type) {
+ case type_l:
+ value.i = value.i || parser.value.i;
+ break;
+ case type_d:
+ value.i = value.d || parser.value.i;
+ break;
+ default:
+ value.i = value.p || parser.value.i;
+ break;
+ }
+ break;
+ case type_d:
+ switch (type) {
+ case type_l:
+ value.i = value.i || parser.value.d;
+ break;
+ case type_d:
+ value.i = value.d || parser.value.d;
+ break;
+ default:
+ value.i = value.p || parser.value.d;
+ break;
+ }
+ break;
+ case type_p:
+ switch (type) {
+ case type_l:
+ value.i = value.i || parser.value.p;
+ break;
+ case type_d:
+ value.i = value.d || parser.value.p;
+ break;
+ default:
+ value.i = value.p || parser.value.p;
+ break;
+ }
+ break;
+ default:
+ error("invalid operand");
+ }
+ parser.type = type_l, parser.value.i = value.i;
+ break;
+ default:
+ return;
+ }
+ }
+}
+
+static token_t
+expression(void)
+{
+ symbol_t *symbol;
+
+ (void)identifier('$');
+ if (parser.string[1] == '\0') {
+ if (getch_noeof() != '(')
+ error("bad symbol or expression");
+ parser.type = type_none;
+ expression_cond();
+ if (parser.expr != expr_rparen)
+ error("bad expression");
+ switch (parser.type) {
+ case type_l:
+ return (tok_int);
+ case type_d:
+ return (tok_float);
+ case type_p:
+ return (tok_pointer);
+ default:
+ error("bad expression");
+ }
+ }
+ else if ((symbol = get_symbol_by_name(parser.string))) {
+ switch (parser.type = symbol->type) {
+ case type_l:
+ parser.value.i = symbol->value.i;
+ return (tok_int);
+ case type_d:
+ parser.value.d = symbol->value.d;
+ return (tok_float);
+ default:
+ parser.value.p = symbol->value.p;
+ return (tok_pointer);
+ }
+ }
+ else
+ error("undefined symbol %s", parser.string);
+}
+
+static token_t
+primary(skip_t skip)
+{
+ int ch;
+
+ switch (skip) {
+ case skip_none: ch = getch(); break;
+ case skip_ws: ch = skipws(); break;
+ case skip_nl: ch = skipnl(); break;
+ default: abort();
+ }
+ switch (ch) {
+ case '%':
+ return (regname());
+ case 'a' ... 'z': case 'A' ... 'Z': case '_':
+ return (identifier(ch));
+ case '0' ... '9': case '+': case '-':
+ return (number(ch));
+ case '.':
+ return (tok_dot);
+ case '"':
+ return (string());
+ case '\'':
+ return (character());
+ case '@':
+ return (dynamic());
+ case '$':
+ return (expression());
+ case EOF:
+ return (tok_eof);
+ case '\n':
+ return (tok_newline);
+ case ';':
+ return (tok_semicollon);
+ default:
+ error("syntax error");
+ }
+}
+
+static void
+parse(void)
+{
+ int ch;
+ token_t token;
+ instr_t *instr;
+ label_t *label;
+ void *value;
+
+ for (;;) {
+ switch (token = primary(skip_nl)) {
+ case tok_symbol:
+ ch = getch_noeof();
+ if (ch == ':') {
+ if ((label = get_label_by_name(parser.string))) {
+ if (label->kind == label_kind_code_forward) {
+ label->kind = label_kind_code;
+ jit_link(label->value);
+ jit_note(parser.name, parser.line);
+ }
+ else
+ error("label %s: redefined", parser.string);
+ }
+ else {
+ if (parser.parsing == PARSING_DATA) {
+ value = data + data_offset;
+ label = new_label(label_kind_data,
+ parser.string, value);
+ }
+ else if (parser.parsing == PARSING_CODE) {
+ value = jit_label();
+ jit_note(parser.name, parser.line);
+ label = new_label(label_kind_code,
+ parser.string, value);
+ }
+ else
+ error("label not in .code or .data");
+ }
+ break;
+ }
+ ungetch(ch);
+ if ((instr =
+ (instr_t *)get_hash(instrs, parser.string)) == NULL)
+ error("unhandled symbol %s", parser.string);
+ if (parser.parsing != PARSING_CODE)
+ error(".code must be specified before instructions");
+ (*instr->function)();
+ break;
+ case tok_dot:
+ dot();
+ break;
+ case tok_eof:
+ return;
+ default:
+ error("syntax error");
+ }
+ }
+}
+
+static int
+execute(int argc, char *argv[])
+{
+ int result;
+ label_t *label;
+ function_t function;
+ patch_t *patch, *next;
+
+ for (patch = patches; patch; patch = next) {
+ next = patch->next;
+ label = patch->label;
+ if (label->kind == label_kind_code_forward)
+ error("undefined label %s", label->name);
+ switch (patch->kind) {
+ case patch_kind_jmp:
+ case patch_kind_mov:
+ case patch_kind_call:
+ jit_patch_at(patch->value, label->value);
+ break;
+ default:
+ abort();
+ }
+ free(patch);
+ patch = next;
+ }
+
+ if (flag_data == 0) {
+ jit_realize();
+ jit_set_data(NULL, 0, JIT_DISABLE_DATA | JIT_DISABLE_NOTE);
+ }
+
+ function = jit_emit();
+ if (flag_verbose > 1 || flag_disasm) {
+ jit_print();
+ fprintf(stdout, " - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n");
+ }
+ if (flag_verbose > 0 || flag_disasm) {
+ jit_disassemble();
+ fprintf(stdout, " - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n");
+ }
+
+ jit_clear_state();
+ if (flag_disasm)
+ result = 0;
+ else
+ result = (*function)(argc, argv);
+ jit_destroy_state();
+
+ return (result);
+}
+
+static void *
+xmalloc(size_t size)
+{
+ void *pointer = malloc(size);
+
+ if (pointer == NULL)
+ error("out of memory");
+
+ return (pointer);
+}
+
+static void *
+xrealloc(void *pointer, size_t size)
+{
+ pointer = realloc(pointer, size);
+
+ if (pointer == NULL)
+ error("out of memory");
+
+ return (pointer);
+}
+
+static void *
+xcalloc(size_t nmemb, size_t size)
+{
+ void *pointer = calloc(nmemb, size);
+
+ if (pointer == NULL)
+ error("out of memory");
+
+ return (pointer);
+}
+
+static label_t *
+new_label(label_kind_t kind, char *name, void *value)
+{
+ label_t *label;
+
+ label = (label_t *)xmalloc(sizeof(label_t));
+ label->kind = kind;
+ label->name = strdup(name);
+ label->value = value;
+ put_hash(labels, (entry_t *)label);
+ label_offset++;
+ return (label);
+}
+
+static patch_t *
+new_patch(patch_kind_t kind, label_t *label, void *value)
+{
+ patch_t *patch = (patch_t *)xmalloc(sizeof(patch_t));
+ patch->kind = kind;
+ patch->label = label;
+ patch->value = value;
+ patch->next = patches;
+ patches = patch;
+
+ return (patch);
+}
+
+static int
+bcmp_symbols(const void *left, const void *right)
+{
+ return (strcmp((char *)left, (*(symbol_t **)right)->name));
+}
+
+static int
+qcmp_symbols(const void *left, const void *right)
+{
+ return (strcmp((*(symbol_t **)left)->name, (*(symbol_t **)right)->name));
+}
+
+static symbol_t *
+new_symbol(char *name)
+{
+ symbol_t *symbol;
+
+ if ((symbol_offset & 15) == 0) {
+ if ((symbol_length += 16) == 16)
+ symbols = (symbol_t **)xmalloc(sizeof(symbol_t *) *
+ symbol_length);
+ else
+ symbols = (symbol_t **)xrealloc(symbols, sizeof(symbol_t *) *
+ symbol_length);
+ }
+ symbol = (symbol_t *)xmalloc(sizeof(symbol_t));
+ symbol->name = strdup(name);
+ symbols[symbol_offset++] = symbol;
+ qsort(symbols, symbol_offset, sizeof(symbol_t *), qcmp_symbols);
+
+ return (symbol);
+}
+
+static symbol_t *
+get_symbol_by_name(char *name)
+{
+ symbol_t **symbol_pointer;
+
+ if (symbols == NULL)
+ return (NULL);
+ symbol_pointer = (symbol_t **)bsearch(name, symbols, symbol_offset,
+ sizeof(symbol_t *), bcmp_symbols);
+
+ return (symbol_pointer ? *symbol_pointer : NULL);
+}
+
+static hash_t *
+new_hash(void)
+{
+ hash_t *hash;
+
+ hash = (hash_t *)xmalloc(sizeof(hash_t));
+ hash->count = 0;
+ hash->entries = (entry_t **)xcalloc(hash->size = 32, sizeof(void *));
+
+ return (hash);
+}
+
+static int
+hash_string(char *name)
+{
+ char *ptr;
+ int key;
+
+ for (key = 0, ptr = name; *ptr; ptr++)
+ key = (key << (key & 1)) ^ *ptr;
+
+ return (key);
+}
+
+static void
+put_hash(hash_t *hash, entry_t *entry)
+{
+ entry_t *prev, *ptr;
+ int key = hash_string(entry->name) & (hash->size - 1);
+
+ for (prev = ptr = hash->entries[key]; ptr; prev = ptr, ptr = ptr->next) {
+ if (strcmp(entry->name, ptr->name) == 0)
+ error("duplicated entry %s", entry->name);
+ }
+ if (prev == NULL)
+ hash->entries[key] = entry;
+ else
+ prev->next = entry;
+ entry->next = NULL;
+ ++hash->count;
+ if (hash->count > hash->size * 0.75)
+ rehash(hash);
+}
+
+static entry_t *
+get_hash(hash_t *hash, char *name)
+{
+ entry_t *entry;
+ int key = hash_string(name) & (hash->size - 1);
+
+ for (entry = hash->entries[key]; entry; entry = entry->next) {
+ if (strcmp(entry->name, name) == 0)
+ return (entry);
+ }
+ return (NULL);
+}
+
+static void
+rehash(hash_t *hash)
+{
+ int i, size, key;
+ entry_t *entry, *next, **entries;
+
+ entries = (entry_t **)xcalloc(size = hash->size * 2, sizeof(void *));
+ for (i = 0; i < hash->size; i++) {
+ for (entry = hash->entries[i]; entry; entry = next) {
+ next = entry->next;
+ key = hash_string(entry->name) & (size - 1);
+ entry->next = entries[key];
+ entries[key] = entry;
+ }
+ }
+ free(hash->entries);
+ hash->entries = entries;
+ hash->size = size;
+}
+
+static void
+usage(void)
+{
+#if HAVE_GETOPT_LONG_ONLY
+ fprintf(stderr, "\
+Usage: %s [jit assembler options] file [jit program options]\n\
+Jit assembler options:\n\
+ -help Display this information\n\
+ -v[0-3] Verbose output level\n\
+ -d Do not use a data buffer\n\
+ -D<macro>[=<val>] Preprocessor options\n"
+# if defined(__i386__) && __WORDSIZE == 32
+" -mx87=1 Force using x87 when sse2 available\n"
+# endif
+# if defined(__i386__) || defined(__x86_64__)
+" -msse4_1=0 Do not use sse4_1 instructions when available\n"
+# endif
+# if defined(__arm__)
+" -mcpu=<val> Force cpu version (4, 5, 6 or 7)\n\
+ -mthumb[=0|1] Enable or disable thumb\n\
+ -mvfp=<val> Set vpf version (0 to disable)\n\
+ -mneon[=0|1] Enable or disable neon\n"
+# endif
+ , progname);
+#else
+ fprintf(stderr, "\
+Usage: %s [jit assembler options] file [jit program options]\n\
+Jit assembler options:\n\
+ -h Display this information\n\
+ -v Verbose output level\n\
+ -D<macro>[=<val>] Preprocessor options\n", progname);
+#endif
+ finish_jit();
+ exit(1);
+}
+
+int
+main(int argc, char *argv[])
+{
+#if HAVE_GETOPT_LONG_ONLY
+ static const char *short_options = "dv::";
+ static struct option long_options[] = {
+ { "help", 0, 0, 'h' },
+ { "data", 2, 0, 'd' },
+# if defined(__i386__) && __WORDSIZE == 32
+ { "mx87", 2, 0, '7' },
+# endif
+# if defined(__i386__) || defined(__x86_64__)
+ { "msse4_1", 2, 0, '4' },
+# endif
+# if defined(__arm__)
+ { "mcpu", 2, 0, 'c' },
+ { "mthumb", 2, 0, 't' },
+ { "mvfp", 2, 0, 'f' },
+ { "mneon", 2, 0, 'n' },
+# endif
+ { 0, 0, 0, 0 }
+ };
+#else
+#endif /* HAVE_GETOPT_LONG_ONLY */
+ int offset;
+ char *endptr;
+ int opt_index;
+ int opt_short;
+ char cmdline[8192];
+
+#if defined(__CYGWIN__)
+ /* Cause a compile warning about redefinition without dllimport
+ * attribute, *but* cause correct linkage if liblightning.a is
+ * linked to binutils (that happens to have an internal
+ * getopt* implementation and an apparently conflicting
+ * optind global variable) */
+ extern int optind;
+ optind = 1;
+#endif
+
+ progname = argv[0];
+
+ init_jit(progname);
+
+#if defined(__sgi)
+ DL_HANDLE = dlopen(NULL, RTLD_LAZY);
+#endif
+
+ flag_data = 1;
+#if HAVE_GETOPT_LONG_ONLY
+ for (;;) {
+ if ((opt_short = getopt_long_only(argc, argv, short_options,
+ long_options, &opt_index)) < 0)
+ break;
+ switch (opt_short) {
+ case 'h':
+ default:
+ usage();
+ break;
+ case 'v':
+ if (optarg) {
+ flag_verbose = strtol(optarg, &endptr, 10);
+ if (*endptr || flag_verbose < 0)
+ usage();
+ }
+ else
+ flag_verbose = 1;
+ break;
+ case 'd':
+ flag_data = 0;
+ break;
+#if defined(__i386__) && __WORDSIZE == 32
+ case '7':
+ if (optarg) {
+ if (strcmp(optarg, "") == 0 || strcmp(optarg, "1") == 0)
+ jit_cpu.sse2 = 0;
+ else if (strcmp(optarg, "0"))
+ usage();
+ }
+ else
+ jit_cpu.sse2 = 0;
+ break;
+#endif
+#if defined(__i386__) || defined(__x86_64__)
+ case '4':
+ if (optarg) {
+ if (strcmp(optarg, "0") == 0)
+ jit_cpu.sse4_2 = 0;
+ else if (strcmp(optarg, "1"))
+ usage();
+ }
+ break;
+#endif
+#if defined(__arm__)
+ case 'c':
+ if (optarg) {
+ offset = strtol(optarg, &endptr, 10);
+ if (*endptr || offset < 0)
+ usage();
+ if (offset < jit_cpu.version)
+ jit_cpu.version = offset;
+ }
+ break;
+ case 't':
+ if (optarg) {
+ if (strcmp(optarg, "0") == 0)
+ jit_cpu.thumb = 0;
+ else if (strcmp(optarg, "1") && strcmp(optarg, "2"))
+ usage();
+ }
+ break;
+ case 'f':
+# if !defined(__ARM_PCS_VFP)
+ /* Do not allow overrinding hard float abi */
+ if (optarg) {
+ offset = strtol(optarg, &endptr, 10);
+ if (*endptr || offset < 0)
+ usage();
+ if (offset < jit_cpu.vfp)
+ jit_cpu.vfp = offset;
+ }
+# endif
+ break;
+ case 'n':
+ if (optarg) {
+ if (strcmp(optarg, "0") == 0)
+ jit_cpu.neon = 0;
+ else if (strcmp(optarg, "1"))
+ usage();
+ }
+ break;
+#endif
+ }
+ }
+#else
+ while ((opt_short = getopt(argc, argv, "hvd")) >= 0) {
+ if (opt_short == 'v')
+ ++flag_verbose;
+ else if (opt_short == 'd')
+ flag_data = 0;
+ else
+ usage();
+ }
+#endif
+
+ opt_index = optind;
+#if defined(__hpux)
+ /* Workaround */
+ if (opt_index < argc && argv[opt_index][0] == '-')
+ ++opt_index;
+#endif
+ if (opt_index < 0 || opt_index >= argc)
+ usage();
+ if (strcmp(argv[opt_index], "-") == 0)
+ strcpy(parser.name, "<stdin>");
+ else {
+ if ((endptr = strrchr(argv[opt_index], '/')) == NULL)
+ endptr = argv[opt_index];
+ else
+ ++endptr;
+ strncpy(parser.name, endptr, sizeof(parser.name));
+ parser.name[sizeof(parser.name) - 1] = '\0';
+ }
+#if __clang__
+# define cc "clang"
+#else
+# define cc "gcc"
+#endif
+ opt_short = snprintf(cmdline, sizeof(cmdline), cc " -E -x c %s", argv[opt_index]);
+ for (++opt_index; opt_index < argc; opt_index++) {
+ if (argv[opt_index][0] == '-')
+ opt_short += snprintf(cmdline + opt_short,
+ sizeof(cmdline) - opt_short,
+ " %s", argv[opt_index]);
+ else {
+ --opt_index;
+ break;
+ }
+ }
+ opt_short += snprintf(cmdline + opt_short,
+ sizeof(cmdline) - opt_short,
+ " -D__WORDSIZE=%d", __WORDSIZE);
+ opt_short += snprintf(cmdline + opt_short,
+ sizeof(cmdline) - opt_short,
+ " -D__LITTLE_ENDIAN=%d", __LITTLE_ENDIAN);
+ opt_short += snprintf(cmdline + opt_short,
+ sizeof(cmdline) - opt_short,
+ " -D__BIG_ENDIAN=%d", __BIG_ENDIAN);
+ opt_short += snprintf(cmdline + opt_short,
+ sizeof(cmdline) - opt_short,
+ " -D__BYTE_ORDER=%d", __BYTE_ORDER);
+#if defined(__i386__)
+ opt_short += snprintf(cmdline + opt_short,
+ sizeof(cmdline) - opt_short,
+ " -D__i386__=1");
+#endif
+#if defined(__x86_64__)
+ opt_short += snprintf(cmdline + opt_short,
+ sizeof(cmdline) - opt_short,
+ " -D__x86_64__=1");
+#endif
+#if defined(__mips__)
+ opt_short += snprintf(cmdline + opt_short,
+ sizeof(cmdline) - opt_short,
+ " -D__mips__=1");
+#endif
+#if defined(__arm__)
+ opt_short += snprintf(cmdline + opt_short,
+ sizeof(cmdline) - opt_short,
+ " -D__arm__=1");
+#endif
+#if defined(__powerpc__)
+ opt_short += snprintf(cmdline + opt_short,
+ sizeof(cmdline) - opt_short,
+ " -D__ppc__=1");
+#endif
+#if defined(__sparc__)
+ opt_short += snprintf(cmdline + opt_short,
+ sizeof(cmdline) - opt_short,
+ " -D__sparc__=1");
+#endif
+#if defined(__ia64__)
+ opt_short += snprintf(cmdline + opt_short,
+ sizeof(cmdline) - opt_short,
+ " -D__ia64__=1");
+#endif
+#if defined(__hppa__)
+ opt_short += snprintf(cmdline + opt_short,
+ sizeof(cmdline) - opt_short,
+ " -D__hppa__=1");
+#endif
+#if defined(_AIX)
+ opt_short += snprintf(cmdline + opt_short,
+ sizeof(cmdline) - opt_short,
+ " -D_AIX=1");
+#endif
+#if defined(__sgi__)
+ opt_short += snprintf(cmdline + opt_short,
+ sizeof(cmdline) - opt_short,
+ " -D__sgi__=1");
+#endif
+#if defined(__aarch64__)
+ opt_short += snprintf(cmdline + opt_short,
+ sizeof(cmdline) - opt_short,
+ " -D__aarch64__=1");
+#endif
+#if defined(__s390__) || defined(__s390x__)
+ opt_short += snprintf(cmdline + opt_short,
+ sizeof(cmdline) - opt_short,
+ " -D__s390__=1");
+#endif
+#if defined(__alpha__)
+ opt_short += snprintf(cmdline + opt_short,
+ sizeof(cmdline) - opt_short,
+ " -D__alpha__=1");
+#endif
+ if ((parser.fp = popen(cmdline, "r")) == NULL)
+ error("cannot execute %s", cmdline);
+
+ parser.line = 1;
+ parser.string = (char *)xmalloc(parser.length = 4096);
+
+#if defined(__linux__) && (defined(__i386__) || defined(__x86_64__))
+ /* double precision 0x200
+ * round nearest 0x000
+ * invalid operation mask 0x001
+ * denormalized operand mask 0x002
+ * zero divide mask 0x004
+ * precision (inexact) mask 0x020
+ */
+ {
+ fpu_control_t fpu_control = 0x027f;
+ _FPU_SETCW(fpu_control);
+ }
+#endif
+
+ _jit = jit_new_state();
+
+ instrs = new_hash();
+ for (offset = 0;
+ offset < (int)(sizeof(instr_vector) / sizeof(instr_vector[0]));
+ offset++)
+ put_hash(instrs, (entry_t *)(instr_vector + offset));
+
+ labels = new_hash();
+
+ parse();
+ pclose(parser.fp);
+ parser.fp = NULL;
+
+ for (opt_short = 0; opt_index < argc; opt_short++, opt_index++)
+ argv[opt_short] = argv[opt_index];
+ argv[opt_short] = NULL;
+ argc = opt_short;
+ execute(argc, argv);
+
+ finish_jit();
+
+ return (0);
+}