Chameleon

Chameleon Commit Details

Date:2012-10-27 20:31:25 (11 years 6 months ago)
Author:Evan Lojewski
Commit:2093
Parents: 2092
Message:Fix Symbols.dylib search address.
Changes:
M/trunk/i386/boot2/modules.c
M/trunk/i386/boot2/Makefile

File differences

trunk/i386/boot2/Makefile
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␉␉␉-nostdlib -arch i386 -Wl,-pie \␊
␉␉␉-Wl,-segaddr,__INIT,`echo obase=16\; $$((0x${BOOT2ADDR})) | bc` \␊
␉␉␉-Wl,-segaddr,__TEXT,`echo obase=16\; $$((0x${BOOT2ADDR})) + \`${SYMROOT}/segsize ${SYMROOT}/$@.sys __INIT\` | bc` \␊
␉␉␉-Wl,-segaddr,__DATA,`echo obase=16\; $$((0x${BOOT2ADDR})) + 3582 + \`${SYMROOT}/segsize ${SYMROOT}/$@.sys __INIT\` + \`${SYMROOT}/segsize ${SYMROOT}/$@.sys __TEXT\` | bc` \␊
␉␉␉-Wl,-segaddr,__DATA,`echo obase=16\; $$((0x${BOOT2ADDR})) + ${DATA_PAD} + \`${SYMROOT}/segsize ${SYMROOT}/$@.sys __INIT\` + \`${SYMROOT}/segsize ${SYMROOT}/$@.sys __TEXT\` | bc` \␊
␉␉␉-Wl,-read_only_relocs,suppress \␊
␉␉␉-lcc_kext \␊
␉␉␉$(filter %.o,$^) `find $(OBJROOT)/../boot2_modules/ -name \*.o` $(LIBS) \␊
␊
ifeq (${CONFIG_MODULES}, y)␊
␊
␉@cp $(SYMROOT)/boot.sys $(SYMROOT)/boot2.sys␊
␊
␉@# Generate the Symbols.dylib file␊
␉@echo "\t[dyldsymboltool] Symbols.dylib"␊
␉@$(SYMROOT)/dyldsymboltool $(SYMROOT)/boot.sys $(SYMROOT)/${SYMBOLS_MODULE}␊
␉␉␉-Wl,-sectcreate,__DATA,__Symbols,$(SYMROOT)/Symbols.dylib \␊
␉␉␉-Wl,-segaddr,__INIT,`echo obase=16\; $$((0x${BOOT2ADDR})) | bc` \␊
␉␉␉-Wl,-segaddr,__TEXT,`echo obase=16\; $$((0x${BOOT2ADDR})) + \`${SYMROOT}/segsize ${SYMROOT}/$@.sys __INIT\` | bc` \␊
␉␉␉-Wl,-segaddr,__DATA,`echo obase=16\; $$((0x${BOOT2ADDR})) + 3582 + \`${SYMROOT}/segsize ${SYMROOT}/$@.sys __INIT\` + \`${SYMROOT}/segsize ${SYMROOT}/$@.sys __TEXT\` | bc` \␊
␉␉␉-Wl,-segaddr,__DATA,`echo obase=16\; $$((0x${BOOT2ADDR})) + ${DATA_PAD} + \`${SYMROOT}/segsize ${SYMROOT}/$@.sys __INIT\` + \`${SYMROOT}/segsize ${SYMROOT}/$@.sys __TEXT\` | bc` \␊
␉␉␉-Wl,-read_only_relocs,suppress \␊
␉␉␉-lcc_kext \␊
␉␉␉$(filter %.o,$^) `find $(OBJROOT)/../boot2_modules/ -name \*.o` $(LIBS) \␊
␉␉␉-Wl,-sectcreate,__DATA,__Symbols,$(SYMROOT)/Symbols.dylib \␊
␉␉␉-Wl,-segaddr,__INIT,`echo obase=16\; $$((0x${BOOT2ADDR})) | bc` \␊
␉␉␉-Wl,-segaddr,__TEXT,`echo obase=16\; $$((0x${BOOT2ADDR})) + \`${SYMROOT}/segsize ${SYMROOT}/$@.sys __INIT\` | bc` \␊
␉␉␉-Wl,-segaddr,__DATA,`echo obase=16\; $$((0x${BOOT2ADDR})) + 3582 + \`${SYMROOT}/segsize ${SYMROOT}/$@.sys __INIT\` + \`${SYMROOT}/segsize ${SYMROOT}/$@.sys __TEXT\` | bc` \␊
␉␉␉-Wl,-segaddr,__DATA,`echo obase=16\; $$((0x${BOOT2ADDR})) + ${DATA_PAD} + \`${SYMROOT}/segsize ${SYMROOT}/$@.sys __INIT\` + \`${SYMROOT}/segsize ${SYMROOT}/$@.sys __TEXT\` | bc` \␊
␉␉␉-Wl,-read_only_relocs,suppress \␊
␉␉␉-lcc_kext \␊
␉␉␉$(filter %.o,$^) `find $(OBJROOT)/../boot2_modules/ -name \*.o` $(LIBS) \␊
␉␉␉-o ${SYMROOT}/$@.sys␊
␊
␉@${RM} $(SYMROOT)/${SYMBOLS_MODULE}␊
␉@#${RM} $(SYMROOT)/${SYMBOLS_MODULE}␊
␊
␉@$(LD) -arch i386 \␊
␉-undefined dynamic_lookup \␊
␊
endif␊
␊
␉@# this is done in a sub process after boot.sys exists so the strings are populated correctly␊
␉@make embed_symbols␊
␊
␉@${RM} $(SYMROOT)/boot2.sys␊
␉@echo "\t[MACHOCONV] boot"␊
␉@$(SYMROOT)/machOconv ${SYMROOT}/$@.sys $(SYMROOT)/$@ &> /dev/null␊
␊
␉@( size=`ls -l $(SYMROOT)/boot | awk '{ print $$5}'` ; \␊
␉ if expr "$$size" ">" "$(MAXBOOTSIZE)" > /dev/null ;\␊
␉ ␉echo "\t******* boot is $$size bytes *******"; \␊
␉ fi)␊
␊
embed_symbols:␊
ifeq (${CONFIG_MODULES}, y)␊
␉@echo ================= Embedding Symbols.dylib =================␊
␉@echo "\t[MACHOCONV] boot"␊
␉@$(SYMROOT)/machOconv $(SYMROOT)/boot2.sys $(SYMROOT)/boot &> /dev/null␊
␊
␉@echo "\t******* Patching at $(PATCH_ADDR) ******"␊
␉@stat -f%z $(SYMROOT)/boot | perl -ane "print pack('V',@F[0]);" | dd conv=notrunc of=${SYMROOT}/boot.sys bs=1 count=4 seek=$(PATCH_ADDR) &> /dev/null␊
endif␊
␉@echo "\t[MACHOCONV] boot"␊
␉@$(SYMROOT)/machOconv $(SYMROOT)/boot.sys $(SYMROOT)/boot␊
␊
$(SYMROOT)/art.h:␊
␉@if [ "$(PNGCRUSH)" ]; then␉\␊
␉␉echo "optimizing art files ...\n$(PNGCRUSH) $(PNGOPTIONS) artwork/$(THEME)"; \␊
trunk/i386/boot2/modules.c
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UInt64 textAddress = 0;␊
UInt64 textSection = 0;␊
␊
void* symbols_module_start = (void*)0xFFFFFFFF;␉// Global, value is populated by the makefile with actual address␊
␊
/** Internal symbols, however there are accessor methods **/␊
moduleHook_t* moduleCallbacks = NULL;␊
moduleList_t* loadedModules = NULL;␊
␊
␉int retVal = 0;␊
␉void (*module_start)(void) = NULL;␊
␉char* module_data = symbols_module_start + BOOT2_ADDR;␊
␉␊
␉extern char symbols_start __asm("section$start$__DATA$__Symbols");␊
␉char* module_data = &symbols_start;␊
␊
␉// Intialize module system␊
␉if(symbols_module_start != (void*)0xFFFFFFFF)␊
␉if(module_data)␊
␉{␊
␉␉// Module system was compiled in (Symbols.dylib addr known)␊
␉␉module_start = parse_mach(module_data, &load_module, &add_symbol, NULL);␊
␉␉{␊
␉␉␉// Notify the system that it was laoded␊
␉␉␉module_loaded(SYMBOLS_MODULE, SYMBOLS_AUTHOR, SYMBOLS_DESCRIPTION, SYMBOLS_VERSION, SYMBOLS_COMPAT);␊
␉␉␉␊
␉␉␉(*module_start)();␉// Start the module. This will point to load_all_modules due to the way the dylib was constructed.␊
␉␉␉execute_hook("ModulesLoaded", NULL, NULL, NULL, NULL);␊
␉␉␉DBG("Module %s Loaded.\n", SYMBOLS_MODULE);␊
␉␉}␊
␉␉else␊
␉␉{␊
module_data -= 0x10; // XCODE 4 HACK␊
module_start = parse_mach(module_data, &load_module, &add_symbol, NULL);␊
␊
if(module_start && module_start != (void*)0xFFFFFFFF)␊
{␊
// Notify the system that it was laoded␊
module_loaded(SYMBOLS_MODULE, SYMBOLS_AUTHOR, SYMBOLS_DESCRIPTION, SYMBOLS_VERSION, SYMBOLS_COMPAT);␊
␊
(*module_start)();␉// Start the module. This will point to load_all_modules due to the way the dylib was constructed.␊
execute_hook("ModulesLoaded", NULL, NULL, NULL, NULL);␊
DBG("Module %s Loaded.\n", SYMBOLS_MODULE);␊
retVal = 1;␊
␊
}␊
else␊
{␊
// The module does not have a valid start function␊
printf("Unable to start %s\n", SYMBOLS_MODULE); getchar();␊
}␉␉␊
␉␉␉// The module does not have a valid start function␊
␉␉␉printf("Unable to start %s at 0x%x\n", SYMBOLS_MODULE, module_data); pause();␊
␉␉}␉␉␊
␉}␊
␉return retVal;␊

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Revision: 2093