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authorYotam Barnoy2010-11-04 06:28:34 +0000
committerYotam Barnoy2010-11-04 06:28:34 +0000
commitf5bfae598c1a3fa0340396461a44d7834721cde5 (patch)
tree8ffd50ad46064943d0260808d6433803836cef43 /backends/platform/psp
parent50d2f7a6be5aff92553d232e105ea227908ba21e (diff)
downloadscummvm-rg350-f5bfae598c1a3fa0340396461a44d7834721cde5.tar.gz
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PSP: cleaning up some stuff from plugin merge
svn-id: r54060
Diffstat (limited to 'backends/platform/psp')
-rw-r--r--backends/platform/psp/Makefile2
-rw-r--r--backends/platform/psp/elf32.h209
-rw-r--r--backends/platform/psp/main_prog.ld253
3 files changed, 1 insertions, 463 deletions
diff --git a/backends/platform/psp/Makefile b/backends/platform/psp/Makefile
index 9f6b5c8921..dab3c34b51 100644
--- a/backends/platform/psp/Makefile
+++ b/backends/platform/psp/Makefile
@@ -170,7 +170,7 @@ PSP_EBOOT_PIC1 = pic1.png
PSP_EBOOT_SND0 = NULL
PSP_EBOOT_PSAR = NULL
-LDFLAGS += -Wl,-Tmain_prog.ld
+LDFLAGS += -Wl,-T../../plugins/psp/main_prog.ld
all: $(PSP_EBOOT)
diff --git a/backends/platform/psp/elf32.h b/backends/platform/psp/elf32.h
deleted file mode 100644
index 616cc4b4d2..0000000000
--- a/backends/platform/psp/elf32.h
+++ /dev/null
@@ -1,209 +0,0 @@
-/* ScummVM - Graphic Adventure Engine
- *
- * ScummVM is the legal property of its developers, whose names
- * are too numerous to list here. Please refer to the COPYRIGHT
- * file distributed with this source distribution.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
-
- * This program 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 General Public License for more details.
-
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * $URL$
- * $Id$
- *
- */
-
-#ifndef BACKENDS_ELF_H
-#define BACKENDS_ELF_H
-
-/* ELF stuff */
-
-typedef unsigned short Elf32_Half, Elf32_Section;
-typedef unsigned int Elf32_Word, Elf32_Addr, Elf32_Off;
-typedef signed int Elf32_Sword;
-typedef Elf32_Half Elf32_Versym;
-
-#define EI_NIDENT (16)
-#define SELFMAG 6
-
-/* ELF File format structures. Look up ELF structure for more details */
-
-// ELF header (contains info about the file)
-typedef struct {
- unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */
- Elf32_Half e_type; /* Object file type */
- Elf32_Half e_machine; /* Architecture */
- Elf32_Word e_version; /* Object file version */
- Elf32_Addr e_entry; /* Entry point virtual address */
- Elf32_Off e_phoff; /* Program header table file offset */
- Elf32_Off e_shoff; /* Section header table file offset */
- Elf32_Word e_flags; /* Processor-specific flags */
- Elf32_Half e_ehsize; /* ELF header size in bytes */
- Elf32_Half e_phentsize; /* Program header table entry size */
- Elf32_Half e_phnum; /* Program header table entry count */
- Elf32_Half e_shentsize; /* Section header table entry size */
- Elf32_Half e_shnum; /* Section header table entry count */
- Elf32_Half e_shstrndx; /* Section header string table index */
-} Elf32_Ehdr;
-
-// Should be in e_ident
-#define ELFMAG "\177ELF\1\1" /* ELF Magic number */
-
-// e_type values
-#define ET_NONE 0 /* no file type */
-#define ET_REL 1 /* relocatable */
-#define ET_EXEC 2 /* executable */
-#define ET_DYN 3 /* shared object */
-#define ET_CORE 4 /* core file */
-
-// e_machine values
-#define EM_MIPS 8
-
-
-// Program header (contains info about segment)
-typedef struct {
- Elf32_Word p_type; /* Segment type */
- Elf32_Off p_offset; /* Segment file offset */
- Elf32_Addr p_vaddr; /* Segment virtual address */
- Elf32_Addr p_paddr; /* Segment physical address */
- Elf32_Word p_filesz; /* Segment size in file */
- Elf32_Word p_memsz; /* Segment size in memory */
- Elf32_Word p_flags; /* Segment flags */
- Elf32_Word p_align; /* Segment alignment */
-} Elf32_Phdr;
-
-// p_type values
-#define PT_NULL 0 /* ignored */
-#define PT_LOAD 1 /* loadable segment */
-#define PT_DYNAMIC 2 /* dynamic linking info */
-#define PT_INTERP 3 /* info about interpreter */
-#define PT_NOTE 4 /* note segment */
-#define PT_SHLIB 5 /* reserved */
-#define PT_PHDR 6 /* Program header table */
-#define PT_MIPS_REGINFO 0x70000000 /* register usage info */
-
-// p_flags value
-#define PF_X 1 /* execute */
-#define PF_W 2 /* write */
-#define PF_R 4 /* read */
-
-// Section header (contains info about section)
-typedef struct {
- Elf32_Word sh_name; /* Section name (string tbl index) */
- Elf32_Word sh_type; /* Section type */
- Elf32_Word sh_flags; /* Section flags */
- Elf32_Addr sh_addr; /* Section virtual addr at execution */
- Elf32_Off sh_offset; /* Section file offset */
- Elf32_Word sh_size; /* Section size in bytes */
- Elf32_Word sh_link; /* Link to another section */
- Elf32_Word sh_info; /* Additional section information */
- Elf32_Word sh_addralign; /* Section alignment */
- Elf32_Word sh_entsize; /* Entry size if section holds table */
-} Elf32_Shdr;
-
-// sh_type values
-#define SHT_NULL 0 /* Inactive section */
-#define SHT_PROGBITS 1 /* Proprietary */
-#define SHT_SYMTAB 2 /* Symbol table */
-#define SHT_STRTAB 3 /* String table */
-#define SHT_RELA 4 /* Relocation entries with addend */
-#define SHT_HASH 5 /* Symbol hash table */
-#define SHT_DYNAMIC 6 /* Info for dynamic linking */
-#define SHT_NOTE 7 /* Note section */
-#define SHT_NOBITS 8 /* Occupies no space */
-#define SHT_REL 9 /* Relocation entries without addend */
-#define SHT_SHLIB 10 /* Reserved */
-#define SHT_DYNSYM 11 /* Minimal set of dynamic linking symbols */
-#define SHT_MIPS_LIBLSIT 0x70000000 /* Info about dynamic shared object libs */
-#define SHT_MIPS_CONFLICT 0x70000002 /* Conflicts btw executables and shared objects */
-#define SHT_MIPS_GPTAB 0x70000003 /* Global pointer table */
-
-// sh_flags values
-#define SHF_WRITE 0 /* writable section */
-#define SHF_ALLOC 2 /* section occupies memory */
-#define SHF_EXECINSTR 4 /* machine instructions */
-#define SHF_MIPS_GPREL 0x10000000 /* Must be made part of global data area */
-
-
-// Symbol entry (contain info about a symbol)
-typedef struct {
- Elf32_Word st_name; /* Symbol name (string tbl index) */
- Elf32_Addr st_value; /* Symbol value */
- Elf32_Word st_size; /* Symbol size */
- unsigned char st_info; /* Symbol type and binding */
- unsigned char st_other; /* Symbol visibility */
- Elf32_Section st_shndx; /* Section index */
-} Elf32_Sym;
-
-// Extract from the st_info
-#define SYM_TYPE(x) ((x)&0xF)
-#define SYM_BIND(x) ((x)>>4)
-
-
-// Symbol binding values from st_info
-#define STB_LOCAL 0 /* Symbol not visible outside object */
-#define STB_GLOBAL 1 /* Symbol visible to all object files */
-#define STB_WEAK 2 /* Similar to STB_GLOBAL */
-
-// Symbol type values from st_info
-#define STT_NOTYPE 0 /* Not specified */
-#define STT_OBJECT 1 /* Data object e.g. variable */
-#define STT_FUNC 2 /* Function */
-#define STT_SECTION 3 /* Section */
-#define STT_FILE 4 /* Source file associated with object file */
-
-// Special section header index values from st_shndex
-#define SHN_UNDEF 0
-#define SHN_LOPROC 0xFF00 /* Extended values */
-#define SHN_ABS 0xFFF1 /* Absolute value: don't relocate */
-#define SHN_COMMON 0xFFF2 /* Common block. Not allocated yet */
-#define SHN_HIPROC 0xFF1F
-#define SHN_HIRESERVE 0xFFFF
-
-// Relocation entry (info about how to relocate)
-typedef struct {
- Elf32_Addr r_offset; /* Address */
- Elf32_Word r_info; /* Relocation type and symbol index */
-} Elf32_Rel;
-
-// Access macros for the relocation info
-#define REL_TYPE(x) ((x)&0xFF) /* Extract relocation type */
-#define REL_INDEX(x) ((x)>>8) /* Extract relocation index into symbol table */
-
-// MIPS relocation types
-#define R_MIPS_NONE 0
-#define R_MIPS_16 1
-#define R_MIPS_32 2
-#define R_MIPS_REL32 3
-#define R_MIPS_26 4
-#define R_MIPS_HI16 5
-#define R_MIPS_LO16 6
-#define R_MIPS_GPREL16 7
-#define R_MIPS_LITERAL 8
-#define R_MIPS_GOT16 9
-#define R_MIPS_PC16 10
-#define R_MIPS_CALL16 11
-#define R_MIPS_GPREL32 12
-#define R_MIPS_GOTHI16 13
-#define R_MIPS_GOTLO16 14
-#define R_MIPS_CALLHI16 15
-#define R_MIPS_CALLLO16 16
-
-// Mock function to get value of global pointer
-#define getGP() ({ \
- unsigned int __valgp; \
- __asm__ ("add %0, $gp, $0" : "=r"(__valgp) : ); \
- __valgp; \
-})
-
-#endif /* BACKENDS_ELF_H */
diff --git a/backends/platform/psp/main_prog.ld b/backends/platform/psp/main_prog.ld
deleted file mode 100644
index 4216e7f0ab..0000000000
--- a/backends/platform/psp/main_prog.ld
+++ /dev/null
@@ -1,253 +0,0 @@
-OUTPUT_FORMAT("elf32-littlemips", "elf32-bigmips",
- "elf32-littlemips")
-OUTPUT_ARCH(mips:allegrex)
-ENTRY(_start)
-/* Do we need any of these for elf?
- __DYNAMIC = 0; */
-SECTIONS
-{
- /* Read-only sections, merged into text segment: */
- PROVIDE (__executable_start = 0x08900000); . = 0x08900000;
- .interp : { *(.interp) }
- .reginfo : { *(.reginfo) }
- .dynamic : { *(.dynamic) }
- .hash : { *(.hash) }
- .dynsym : { *(.dynsym) }
- .dynstr : { *(.dynstr) }
- .gnu.version : { *(.gnu.version) }
- .gnu.version_d : { *(.gnu.version_d) }
- .gnu.version_r : { *(.gnu.version_r) }
- .rel.init : { *(.rel.init) }
- .rela.init : { *(.rela.init) }
- .rel.text : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) }
- .rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
- .rel.fini : { *(.rel.fini) }
- .rela.fini : { *(.rela.fini) }
- /* PSP-specific relocations. */
- .rel.sceStub.text : { *(.rel.sceStub.text) *(SORT(.rel.sceStub.text.*)) }
- .rel.lib.ent.top : { *(.rel.lib.ent.top) }
- .rel.lib.ent : { *(.rel.lib.ent) }
- .rel.lib.ent.btm : { *(.rel.lib.ent.btm) }
- .rel.lib.stub.top : { *(.rel.lib.stub.top) }
- .rel.lib.stub : { *(.rel.lib.stub) }
- .rel.lib.stub.btm : { *(.rel.lib.stub.btm) }
- .rel.rodata.sceModuleInfo : { *(.rel.rodata.sceModuleInfo) }
- .rel.rodata.sceResident : { *(.rel.rodata.sceResident) }
- .rel.rodata.sceNid : { *(.rel.rodata.sceNid) }
- .rel.rodata.sceVstub : { *(.rel.rodata.sceVstub) *(SORT(.rel.rodata.sceVstub.*)) }
- .rel.rodata : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) }
- .rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
- .rel.data.rel.ro : { *(.rel.data.rel.ro*) }
- .rela.data.rel.ro : { *(.rel.data.rel.ro*) }
- .rel.data : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) }
- .rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
- .rel.tdata : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) }
- .rela.tdata : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
- .rel.tbss : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) }
- .rela.tbss : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
- .rel.ctors : { *(.rel.ctors) }
- .rela.ctors : { *(.rela.ctors) }
- .rel.dtors : { *(.rel.dtors) }
- .rela.dtors : { *(.rela.dtors) }
- .rel.got : { *(.rel.got) }
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- .rel.sdata : { *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*) }
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- .rela.sbss : { *(.rela.sbss .rela.sbss.* .rela.gnu.linkonce.sb.*) }
- .rel.sdata2 : { *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*) }
- .rela.sdata2 : { *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) }
- .rel.sbss2 : { *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*) }
- .rela.sbss2 : { *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) }
- .rel.bss : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) }
- .rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
- .rel.plt : { *(.rel.plt) }
- .rela.plt : { *(.rela.plt) }
- .init :
- {
- KEEP (*(.init))
- } =0
- .plt : { *(.plt) }
- .text :
- {
- _ftext = . ;
- *(.text .stub .text.* .gnu.linkonce.t.*)
- KEEP (*(.text.*personality*))
- /* .gnu.warning sections are handled specially by elf32.em. */
- *(.gnu.warning)
- *(.mips16.fn.*) *(.mips16.call.*)
- } =0
- .fini :
- {
- KEEP (*(.fini))
- } =0
- /* PSP library stub functions. */
- .sceStub.text : { *(.sceStub.text) *(SORT(.sceStub.text.*)) }
- PROVIDE (__etext = .);
- PROVIDE (_etext = .);
- PROVIDE (etext = .);
- /* PSP library entry table and library stub table. */
- .lib.ent.top : { *(.lib.ent.top) }
- .lib.ent : { *(.lib.ent) }
- .lib.ent.btm : { *(.lib.ent.btm) }
- .lib.stub.top : { *(.lib.stub.top) }
- .lib.stub : { *(.lib.stub) }
- .lib.stub.btm : { *(.lib.stub.btm) }
- /* PSP read-only data for module info, NIDs, and Vstubs. The
- .rodata.sceModuleInfo section must appear before the .rodata section
- otherwise it would get absorbed into .rodata and the PSP bootloader
- would be unable to locate the module info structure. */
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- .eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) }
- .gcc_except_table : ONLY_IF_RO { KEEP (*(.gcc_except_table)) *(.gcc_except_table.*) }
- /* Adjust the address for the data segment. We want to adjust up to
- the same address within the page on the next page up. */
- . = ALIGN(256) + (. & (256 - 1));
- /* Exception handling */
- .eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) }
- .gcc_except_table : ONLY_IF_RW { KEEP (*(.gcc_except_table)) *(.gcc_except_table.*) }
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-}