diff options
| -rw-r--r-- | backends/platform/psp/Makefile | 2 | ||||
| -rw-r--r-- | backends/platform/psp/elf32.h | 209 | ||||
| -rw-r--r-- | backends/plugins/elf/elf32.h | 7 | ||||
| -rw-r--r-- | backends/plugins/psp/main_prog.ld (renamed from backends/platform/psp/main_prog.ld) | 0 | ||||
| -rwxr-xr-x | configure | 2 |
5 files changed, 2 insertions, 218 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/plugins/elf/elf32.h b/backends/plugins/elf/elf32.h index d3a8d2e436..f3806272ed 100644 --- a/backends/plugins/elf/elf32.h +++ b/backends/plugins/elf/elf32.h @@ -245,13 +245,6 @@ typedef struct { #define R_PPC_REL24 10 #define R_PPC_REL32 26 -// Mock function to get value of global pointer for MIPS -#define getGP() { \ - uint32 __valgp; \ - __asm__ ("add %0, $gp, $0" : "=r"(__valgp) : ); \ - __valgp; \ -} - #endif // defined(DYNAMIC_MODULES) && defined(USE_ELF_LOADER) #endif /* BACKENDS_ELF_H */ diff --git a/backends/platform/psp/main_prog.ld b/backends/plugins/psp/main_prog.ld index 4216e7f0ab..4216e7f0ab 100644 --- a/backends/platform/psp/main_prog.ld +++ b/backends/plugins/psp/main_prog.ld @@ -2226,7 +2226,7 @@ PLUGIN_LDFLAGS += -mno-crt0 $(PS2SDK)/ee/startup/crt0.o -Wl,-T$(srcdir)/backend _elf_loader=yes DEFINES="$DEFINES -DMIPS_TARGET" _mak_plugins=' -LDFLAGS += -Wl,-T$(srcdir)/backends/platform/psp/main_prog.ld +LDFLAGS += -Wl,-T$(srcdir)/backends/plugins/psp/main_prog.ld PLUGIN_LDFLAGS += -Wl,-T$(srcdir)/backends/plugins/psp/plugin.ld -lstdc++ -lc ' ;; |