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enable Linux/PowerPC cross build

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This commit is contained in:
Joel Dice 2011-02-27 22:54:59 -07:00
parent 039916b519
commit 5f50226ae0
4 changed files with 139 additions and 107 deletions
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13
makefile
View File

@ -169,7 +169,7 @@ endif
build-cflags = $(common-cflags) -fPIC -fvisibility=hidden \ build-cflags = $(common-cflags) -fPIC -fvisibility=hidden \
"-I$(JAVA_HOME)/include/linux" -I$(src) -pthread "-I$(JAVA_HOME)/include/linux" -I$(src) -pthread
converter-cflags = -D__STDC_CONSTANT_MACROS converter-cflags = -D__STDC_CONSTANT_MACROS -Isrc/binaryToObject
cflags = $(build-cflags) cflags = $(build-cflags)
@ -201,6 +201,15 @@ endif
ifeq ($(arch),powerpc) ifeq ($(arch),powerpc)
asm = powerpc asm = powerpc
pointer-size = 4 pointer-size = 4
ifneq ($(arch),$(build-arch))
converter-cflags += -DOPPOSITE_ENDIAN
cxx = powerpc-linux-gnu-g++
cc = powerpc-linux-gnu-gcc
ar = powerpc-linux-gnu-ar
ranlib = powerpc-linux-gnu-ranlib
strip = powerpc-linux-gnu-strip
endif
endif endif
ifeq ($(arch),arm) ifeq ($(arch),arm)
asm = arm asm = arm
@ -243,7 +252,7 @@ ifeq ($(platform),darwin)
shared = -dynamiclib shared = -dynamiclib
ifeq ($(arch),powerpc) ifeq ($(arch),powerpc)
ifneq (,$(filter i386 x86_64,$(build-arch))) ifneq (,$(filter i386 x86_64 arm,$(build-arch)))
converter-cflags += -DOPPOSITE_ENDIAN converter-cflags += -DOPPOSITE_ENDIAN
endif endif
openjdk-extra-cflags += -arch ppc -mmacosx-version-min=10.4 openjdk-extra-cflags += -arch ppc -mmacosx-version-min=10.4

167
src/binaryToObject/elf.cpp
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@ -12,6 +12,8 @@
#include "stdio.h" #include "stdio.h"
#include "string.h" #include "string.h"
#include "endianness.h"
#define EI_NIDENT 16 #define EI_NIDENT 16
#define EI_MAG0 0 #define EI_MAG0 0
@ -218,99 +220,108 @@ writeObject(const uint8_t* data, unsigned size, FILE* out,
const unsigned stringTableSectionNumber = 3; const unsigned stringTableSectionNumber = 3;
FileHeader fileHeader; FileHeader fileHeader;
fileHeader.e_ident[EI_MAG0] = ELFMAG0; memset(&fileHeader, 0, sizeof(FileHeader));
fileHeader.e_ident[EI_MAG1] = ELFMAG1; fileHeader.e_ident[EI_MAG0] = V1(ELFMAG0);
fileHeader.e_ident[EI_MAG2] = ELFMAG2; fileHeader.e_ident[EI_MAG1] = V1(ELFMAG1);
fileHeader.e_ident[EI_MAG3] = ELFMAG3; fileHeader.e_ident[EI_MAG2] = V1(ELFMAG2);
fileHeader.e_ident[EI_CLASS] = Class; fileHeader.e_ident[EI_MAG3] = V1(ELFMAG3);
fileHeader.e_ident[EI_DATA] = encoding; fileHeader.e_ident[EI_CLASS] = V1(Class);
fileHeader.e_ident[EI_VERSION] = EV_CURRENT; fileHeader.e_ident[EI_DATA] = V1(encoding);
fileHeader.e_ident[EI_OSABI] = OSABI; fileHeader.e_ident[EI_VERSION] = V1(EV_CURRENT);
fileHeader.e_ident[EI_ABIVERSION] = 0; fileHeader.e_ident[EI_OSABI] = V1(OSABI);
fileHeader.e_type = ET_REL; fileHeader.e_ident[EI_ABIVERSION] = V1(0);
fileHeader.e_machine = machine; fileHeader.e_type = V2(ET_REL);
fileHeader.e_version = EV_CURRENT; fileHeader.e_machine = V2(machine);
fileHeader.e_entry = 0; fileHeader.e_version = V4(EV_CURRENT);
fileHeader.e_phoff = 0; fileHeader.e_entry = VW(0);
fileHeader.e_shoff = sizeof(FileHeader); fileHeader.e_phoff = VW(0);
fileHeader.e_flags = (machine == EM_ARM ? 0x04000000 : 0); fileHeader.e_shoff = VW(sizeof(FileHeader));
fileHeader.e_ehsize = sizeof(FileHeader); fileHeader.e_flags = V4(machine == EM_ARM ? 0x04000000 : 0);
fileHeader.e_phentsize = 0; fileHeader.e_ehsize = V2(sizeof(FileHeader));
fileHeader.e_phnum = 0; fileHeader.e_phentsize = V2(0);
fileHeader.e_shentsize = sizeof(SectionHeader); fileHeader.e_phnum = V2(0);
fileHeader.e_shnum = sectionCount; fileHeader.e_shentsize = V2(sizeof(SectionHeader));
fileHeader.e_shstrndx = sectionStringTableSectionNumber; fileHeader.e_shnum = V2(sectionCount);
fileHeader.e_shstrndx = V2(sectionStringTableSectionNumber);
SectionHeader nullSection; SectionHeader nullSection;
memset(&nullSection, 0, sizeof(SectionHeader)); memset(&nullSection, 0, sizeof(SectionHeader));
SectionHeader bodySection; SectionHeader bodySection;
bodySection.sh_name = sectionNameOffset; bodySection.sh_name = V4(sectionNameOffset);
bodySection.sh_type = SHT_PROGBITS; bodySection.sh_type = V4(SHT_PROGBITS);
bodySection.sh_flags = sectionFlags; bodySection.sh_flags = VW(sectionFlags);
bodySection.sh_addr = 0; bodySection.sh_addr = VW(0);
bodySection.sh_offset = sizeof(FileHeader) unsigned bodySectionOffset
+ (sizeof(SectionHeader) * sectionCount); = sizeof(FileHeader) + (sizeof(SectionHeader) * sectionCount);
bodySection.sh_size = size; bodySection.sh_offset = VW(bodySectionOffset);
bodySection.sh_link = 0; unsigned bodySectionSize = size;
bodySection.sh_info = 0; bodySection.sh_size = VW(bodySectionSize);
bodySection.sh_addralign = alignment; bodySection.sh_link = V4(0);
bodySection.sh_entsize = 0; bodySection.sh_info = V4(0);
bodySection.sh_addralign = VW(alignment);
bodySection.sh_entsize = VW(0);
SectionHeader sectionStringTableSection; SectionHeader sectionStringTableSection;
sectionStringTableSection.sh_name = sectionStringTableNameOffset; sectionStringTableSection.sh_name = V4(sectionStringTableNameOffset);
sectionStringTableSection.sh_type = SHT_STRTAB; sectionStringTableSection.sh_type = V4(SHT_STRTAB);
sectionStringTableSection.sh_flags = 0; sectionStringTableSection.sh_flags = VW(0);
sectionStringTableSection.sh_addr = 0; sectionStringTableSection.sh_addr = VW(0);
sectionStringTableSection.sh_offset unsigned sectionStringTableSectionOffset
= bodySection.sh_offset + bodySection.sh_size; = bodySectionOffset + bodySectionSize;
sectionStringTableSection.sh_size = sectionStringTableLength; sectionStringTableSection.sh_offset = VW(sectionStringTableSectionOffset);
sectionStringTableSection.sh_link = 0; unsigned sectionStringTableSectionSize = sectionStringTableLength;
sectionStringTableSection.sh_info = 0; sectionStringTableSection.sh_size = VW(sectionStringTableSectionSize);
sectionStringTableSection.sh_addralign = 1; sectionStringTableSection.sh_link = V4(0);
sectionStringTableSection.sh_entsize = 0; sectionStringTableSection.sh_info = V4(0);
sectionStringTableSection.sh_addralign = VW(1);
sectionStringTableSection.sh_entsize = VW(0);
SectionHeader stringTableSection; SectionHeader stringTableSection;
stringTableSection.sh_name = stringTableNameOffset; stringTableSection.sh_name = V4(stringTableNameOffset);
stringTableSection.sh_type = SHT_STRTAB; stringTableSection.sh_type = V4(SHT_STRTAB);
stringTableSection.sh_flags = 0; stringTableSection.sh_flags = VW(0);
stringTableSection.sh_addr = 0; stringTableSection.sh_addr = VW(0);
stringTableSection.sh_offset = sectionStringTableSection.sh_offset unsigned stringTableSectionOffset
+ sectionStringTableSection.sh_size; = sectionStringTableSectionOffset + sectionStringTableSectionSize;
stringTableSection.sh_size = stringTableLength; stringTableSection.sh_offset = VW(stringTableSectionOffset);
stringTableSection.sh_link = 0; unsigned stringTableSectionSize = stringTableLength;
stringTableSection.sh_info = 0; stringTableSection.sh_size = VW(stringTableSectionSize);
stringTableSection.sh_addralign = 1; stringTableSection.sh_link = V4(0);
stringTableSection.sh_entsize = 0; stringTableSection.sh_info = V4(0);
stringTableSection.sh_addralign = VW(1);
stringTableSection.sh_entsize = VW(0);
SectionHeader symbolTableSection; SectionHeader symbolTableSection;
symbolTableSection.sh_name = symbolTableNameOffset; symbolTableSection.sh_name = V4(symbolTableNameOffset);
symbolTableSection.sh_type = SHT_SYMTAB; symbolTableSection.sh_type = V4(SHT_SYMTAB);
symbolTableSection.sh_flags = 0; symbolTableSection.sh_flags = VW(0);
symbolTableSection.sh_addr = 0; symbolTableSection.sh_addr = VW(0);
symbolTableSection.sh_offset = stringTableSection.sh_offset unsigned symbolTableSectionOffset
+ stringTableSection.sh_size; = stringTableSectionOffset + stringTableSectionSize;
symbolTableSection.sh_size = sizeof(Symbol) * symbolCount; symbolTableSection.sh_offset = VW(symbolTableSectionOffset);
symbolTableSection.sh_link = stringTableSectionNumber; unsigned symbolTableSectionSize = sizeof(Symbol) * symbolCount;
symbolTableSection.sh_info = 0; symbolTableSection.sh_size = VW(symbolTableSectionSize);
symbolTableSection.sh_addralign = BITS_PER_WORD / 8; symbolTableSection.sh_link = V4(stringTableSectionNumber);
symbolTableSection.sh_entsize = sizeof(Symbol); symbolTableSection.sh_info = V4(0);
symbolTableSection.sh_addralign = VW(BITS_PER_WORD / 8);
symbolTableSection.sh_entsize = VW(sizeof(Symbol));
Symbol startSymbol; Symbol startSymbol;
startSymbol.st_name = startNameOffset; startSymbol.st_name = V4(startNameOffset);
startSymbol.st_value = 0; startSymbol.st_value = VW(0);
startSymbol.st_size = 0; startSymbol.st_size = VW(0);
startSymbol.st_info = SYMBOL_INFO(STB_GLOBAL, STT_NOTYPE); startSymbol.st_info = V1(SYMBOL_INFO(STB_GLOBAL, STT_NOTYPE));
startSymbol.st_other = STV_DEFAULT; startSymbol.st_other = V1(STV_DEFAULT);
startSymbol.st_shndx = bodySectionNumber; startSymbol.st_shndx = V2(bodySectionNumber);
Symbol endSymbol; Symbol endSymbol;
endSymbol.st_name = endNameOffset; endSymbol.st_name = V4(endNameOffset);
endSymbol.st_value = size; endSymbol.st_value = VW(size);
endSymbol.st_size = 0; endSymbol.st_size = VW(0);
endSymbol.st_info = SYMBOL_INFO(STB_GLOBAL, STT_NOTYPE); endSymbol.st_info = V1(SYMBOL_INFO(STB_GLOBAL, STT_NOTYPE));
endSymbol.st_other = STV_DEFAULT; endSymbol.st_other = V1(STV_DEFAULT);
endSymbol.st_shndx = bodySectionNumber; endSymbol.st_shndx = V2(bodySectionNumber);
fwrite(&fileHeader, 1, sizeof(fileHeader), out); fwrite(&fileHeader, 1, sizeof(fileHeader), out);
fwrite(&nullSection, 1, sizeof(nullSection), out); fwrite(&nullSection, 1, sizeof(nullSection), out);

38
src/binaryToObject/endianness.h Normal file
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@ -0,0 +1,38 @@
#ifndef ENDIANNESS_H
#define ENDIANNESS_H
#define V1(v) (v)
#ifdef OPPOSITE_ENDIAN
# define V2(v) \
((((v) >> 8) & 0xFF) | \
(((v) << 8)))
# define V4(v) \
((((v) >> 24) & 0x000000FF) | \
(((v) >> 8) & 0x0000FF00) | \
(((v) << 8) & 0x00FF0000) | \
(((v) << 24)))
# define V8(v) \
(((static_cast<uint64_t>(v) >> 56) & UINT64_C(0x00000000000000FF)) | \
((static_cast<uint64_t>(v) >> 40) & UINT64_C(0x000000000000FF00)) | \
((static_cast<uint64_t>(v) >> 24) & UINT64_C(0x0000000000FF0000)) | \
((static_cast<uint64_t>(v) >> 8) & UINT64_C(0x00000000FF000000)) | \
((static_cast<uint64_t>(v) << 8) & UINT64_C(0x000000FF00000000)) | \
((static_cast<uint64_t>(v) << 24) & UINT64_C(0x0000FF0000000000)) | \
((static_cast<uint64_t>(v) << 40) & UINT64_C(0x00FF000000000000)) | \
((static_cast<uint64_t>(v) << 56)))
#else
# define V2(v) (v)
# define V4(v) (v)
# define V8(v) (v)
#endif
#if (BITS_PER_WORD == 64)
# define VW(v) V8(v)
#elif (BITS_PER_WORD == 32)
# define VW(v) V4(v)
#else
# error
#endif
#endif//ENDIANNESS_H

28
src/binaryToObject/mach-o.cpp
View File

@ -12,31 +12,7 @@
#include "stdio.h" #include "stdio.h"
#include "string.h" #include "string.h"
#define V1(v) v #include "endianness.h"
#ifdef OPPOSITE_ENDIAN
# define V2(v) \
((((v) >> 8) & 0xFF) | \
(((v) << 8)))
# define V4(v) \
((((v) >> 24) & 0x000000FF) | \
(((v) >> 8) & 0x0000FF00) | \
(((v) << 8) & 0x00FF0000) | \
(((v) << 24)))
# define V8(v) \
(((static_cast<uint64_t>(v) >> 56) & UINT64_C(0x00000000000000FF)) | \
((static_cast<uint64_t>(v) >> 40) & UINT64_C(0x000000000000FF00)) | \
((static_cast<uint64_t>(v) >> 24) & UINT64_C(0x0000000000FF0000)) | \
((static_cast<uint64_t>(v) >> 8) & UINT64_C(0x00000000FF000000)) | \
((static_cast<uint64_t>(v) << 8) & UINT64_C(0x000000FF00000000)) | \
((static_cast<uint64_t>(v) << 24) & UINT64_C(0x0000FF0000000000)) | \
((static_cast<uint64_t>(v) << 40) & UINT64_C(0x00FF000000000000)) | \
((static_cast<uint64_t>(v) << 56)))
#else
# define V2(v) v
# define V4(v) v
# define V8(v) v
#endif
#define MH_MAGIC_64 0xfeedfacf #define MH_MAGIC_64 0xfeedfacf
#define MH_MAGIC 0xfeedface #define MH_MAGIC 0xfeedface
@ -63,7 +39,6 @@
#define CPU_SUBTYPE_POWERPC_ALL 0 #define CPU_SUBTYPE_POWERPC_ALL 0
#if (BITS_PER_WORD == 64) #if (BITS_PER_WORD == 64)
# define VW(v) V8(v)
# define Magic MH_MAGIC_64 # define Magic MH_MAGIC_64
# define Segment LC_SEGMENT_64 # define Segment LC_SEGMENT_64
# define FileHeader mach_header_64 # define FileHeader mach_header_64
@ -71,7 +46,6 @@
# define Section section_64 # define Section section_64
# define NList struct nlist_64 # define NList struct nlist_64
#elif (BITS_PER_WORD == 32) #elif (BITS_PER_WORD == 32)
# define VW(v) V4(v)
# define Magic MH_MAGIC # define Magic MH_MAGIC
# define Segment LC_SEGMENT # define Segment LC_SEGMENT
# define FileHeader mach_header # define FileHeader mach_header