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tccrun.c: unify rt_get_caller_pc prototype

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This commit is contained in:
grischka 2013-02-04 17:24:03 +01:00
parent 97c279f5ea
commit 4b539aa67d
1 changed files with 15 additions and 18 deletions
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33
tccrun.c
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@ -461,10 +461,10 @@ static void set_exception_handler(void)
#define REG_EBP EBP #define REG_EBP EBP
#endif #endif
/* return the PC at frame level 'level'. Return non zero if not found */ /* return the PC at frame level 'level'. Return negative if not found */
static int rt_get_caller_pc(addr_t *paddr, ucontext_t *uc, int level) static int rt_get_caller_pc(addr_t *paddr, ucontext_t *uc, int level)
{ {
unsigned long fp; addr_t fp;
int i; int i;
if (level == 0) { if (level == 0) {
@ -492,9 +492,9 @@ static int rt_get_caller_pc(addr_t *paddr, ucontext_t *uc, int level)
/* XXX: check address validity with program info */ /* XXX: check address validity with program info */
if (fp <= 0x1000 || fp >= 0xc0000000) if (fp <= 0x1000 || fp >= 0xc0000000)
return -1; return -1;
fp = ((unsigned long *)fp)[0]; fp = ((addr_t *)fp)[0];
} }
*paddr = ((unsigned long *)fp)[1]; *paddr = ((addr_t *)fp)[1];
return 0; return 0;
} }
} }
@ -502,11 +502,10 @@ static int rt_get_caller_pc(addr_t *paddr, ucontext_t *uc, int level)
/* ------------------------------------------------------------- */ /* ------------------------------------------------------------- */
#elif defined(__x86_64__) #elif defined(__x86_64__)
/* return the PC at frame level 'level'. Return non zero if not found */ /* return the PC at frame level 'level'. Return negative if not found */
static int rt_get_caller_pc(unsigned long *paddr, static int rt_get_caller_pc(addr_t *paddr, ucontext_t *uc, int level)
ucontext_t *uc, int level)
{ {
unsigned long fp; addr_t fp;
int i; int i;
if (level == 0) { if (level == 0) {
@ -531,9 +530,9 @@ static int rt_get_caller_pc(unsigned long *paddr,
/* XXX: check address validity with program info */ /* XXX: check address validity with program info */
if (fp <= 0x1000) if (fp <= 0x1000)
return -1; return -1;
fp = ((unsigned long *)fp)[0]; fp = ((addr_t *)fp)[0];
} }
*paddr = ((unsigned long *)fp)[1]; *paddr = ((addr_t *)fp)[1];
return 0; return 0;
} }
} }
@ -542,10 +541,9 @@ static int rt_get_caller_pc(unsigned long *paddr,
#elif defined(__arm__) #elif defined(__arm__)
/* return the PC at frame level 'level'. Return negative if not found */ /* return the PC at frame level 'level'. Return negative if not found */
static int rt_get_caller_pc(unsigned long *paddr, static int rt_get_caller_pc(addr_t *paddr, ucontext_t *uc, int level)
ucontext_t *uc, int level)
{ {
uint32_t fp, sp; addr_t fp, sp;
int i; int i;
if (level == 0) { if (level == 0) {
@ -569,15 +567,15 @@ static int rt_get_caller_pc(unsigned long *paddr,
if (fp < sp + 12 || fp & 3) if (fp < sp + 12 || fp & 3)
return -1; return -1;
for(i = 1; i < level; i++) { for(i = 1; i < level; i++) {
sp = ((uint32_t *)fp)[-2]; sp = ((addr_t *)fp)[-2];
if (sp < fp || sp - fp > 16 || sp & 3) if (sp < fp || sp - fp > 16 || sp & 3)
return -1; return -1;
fp = ((uint32_t *)fp)[-3]; fp = ((addr_t *)fp)[-3];
if (fp <= sp || fp - sp < 12 || fp & 3) if (fp <= sp || fp - sp < 12 || fp & 3)
return -1; return -1;
} }
/* XXX: check address validity with program info */ /* XXX: check address validity with program info */
*paddr = ((uint32_t *)fp)[-1]; *paddr = ((addr_t *)fp)[-1];
return 0; return 0;
} }
} }
@ -586,8 +584,7 @@ static int rt_get_caller_pc(unsigned long *paddr,
#else #else
#warning add arch specific rt_get_caller_pc() #warning add arch specific rt_get_caller_pc()
static int rt_get_caller_pc(unsigned long *paddr, static int rt_get_caller_pc(addr_t *paddr, ucontext_t *uc, int level)
ucontext_t *uc, int level)
{ {
return -1; return -1;
} }