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Darwin patch (initial patch by Pierre d'Herbemont) 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@981 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-07-05 21:47:44 +00:00
parent 83fb7adf6c
commit d549f7d98f
1 changed files with 21 additions and 14 deletions
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35
exec-all.h
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@ -303,16 +303,29 @@ TranslationBlock *tb_find_pc(unsigned long pc_ptr);
#define offsetof(type, field) ((size_t) &((type *)0)->field)
#endif
#if defined(_WIN32)
#define ASM_DATA_SECTION ".section \".data\"\n"
#define ASM_PREVIOUS_SECTION ".section .text\n"
#elif defined(__APPLE__)
#define ASM_DATA_SECTION ".data\n"
#define ASM_PREVIOUS_SECTION ".text\n"
#define ASM_NAME(x) "_" #x
#else
#define ASM_DATA_SECTION ".section \".data\"\n"
#define ASM_PREVIOUS_SECTION ".previous\n"
#define ASM_NAME(x) stringify(x)
#endif
#if defined(__powerpc__)
/* we patch the jump instruction directly */
#define JUMP_TB(opname, tbparam, n, eip)\
do {\
asm volatile (".section \".data\"\n"\
"__op_label" #n "." stringify(opname) ":\n"\
asm volatile (ASM_DATA_SECTION\
ASM_NAME(__op_label) #n "." ASM_NAME(opname) ":\n"\
".long 1f\n"\
".previous\n"\
"b __op_jmp" #n "\n"\
ASM_PREVIOUS_SECTION \
"b " ASM_NAME(__op_jmp) #n "\n"\
"1:\n");\
T0 = (long)(tbparam) + (n);\
EIP = eip;\
@ -321,25 +334,19 @@ do {\
#define JUMP_TB2(opname, tbparam, n)\
do {\
asm volatile ("b __op_jmp" #n "\n");\
asm volatile ("b " ASM_NAME(__op_jmp) #n "\n");\
} while (0)
#elif defined(__i386__) && defined(USE_DIRECT_JUMP)
#ifdef _WIN32
#define ASM_PREVIOUS_SECTION ".section .text\n"
#else
#define ASM_PREVIOUS_SECTION ".previous\n"
#endif
/* we patch the jump instruction directly */
#define JUMP_TB(opname, tbparam, n, eip)\
do {\
asm volatile (".section .data\n"\
"__op_label" #n "." stringify(opname) ":\n"\
ASM_NAME(__op_label) #n "." ASM_NAME(opname) ":\n"\
".long 1f\n"\
ASM_PREVIOUS_SECTION \
"jmp __op_jmp" #n "\n"\
"jmp " ASM_NAME(__op_jmp) #n "\n"\
"1:\n");\
T0 = (long)(tbparam) + (n);\
EIP = eip;\
@ -348,7 +355,7 @@ do {\
#define JUMP_TB2(opname, tbparam, n)\
do {\
asm volatile ("jmp __op_jmp" #n "\n");\
asm volatile ("jmp " ASM_NAME(__op_jmp) #n "\n");\
} while (0)
#else