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tccrun.c: unify rt_get_caller_pc prototype

master
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
#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)
{
unsigned long fp;
addr_t fp;
int i;
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 */
if (fp <= 0x1000 || fp >= 0xc0000000)
return -1;
fp = ((unsigned long *)fp)[0];
fp = ((addr_t *)fp)[0];
}
*paddr = ((unsigned long *)fp)[1];
*paddr = ((addr_t *)fp)[1];
return 0;
}
}
@ -502,11 +502,10 @@ static int rt_get_caller_pc(addr_t *paddr, ucontext_t *uc, int level)
/* ------------------------------------------------------------- */
#elif defined(__x86_64__)
/* return the PC at frame level 'level'. Return non zero if not found */
static int rt_get_caller_pc(unsigned long *paddr,
ucontext_t *uc, int level)
/* 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)
{
unsigned long fp;
addr_t fp;
int i;
if (level == 0) {
@ -531,9 +530,9 @@ static int rt_get_caller_pc(unsigned long *paddr,
/* XXX: check address validity with program info */
if (fp <= 0x1000)
return -1;
fp = ((unsigned long *)fp)[0];
fp = ((addr_t *)fp)[0];
}
*paddr = ((unsigned long *)fp)[1];
*paddr = ((addr_t *)fp)[1];
return 0;
}
}
@ -542,10 +541,9 @@ static int rt_get_caller_pc(unsigned long *paddr,
#elif defined(__arm__)
/* return the PC at frame level 'level'. Return negative if not found */
static int rt_get_caller_pc(unsigned long *paddr,
ucontext_t *uc, int level)
static int rt_get_caller_pc(addr_t *paddr, ucontext_t *uc, int level)
{
uint32_t fp, sp;
addr_t fp, sp;
int i;
if (level == 0) {
@ -569,15 +567,15 @@ static int rt_get_caller_pc(unsigned long *paddr,
if (fp < sp + 12 || fp & 3)
return -1;
for(i = 1; i < level; i++) {
sp = ((uint32_t *)fp)[-2];
sp = ((addr_t *)fp)[-2];
if (sp < fp || sp - fp > 16 || sp & 3)
return -1;
fp = ((uint32_t *)fp)[-3];
fp = ((addr_t *)fp)[-3];
if (fp <= sp || fp - sp < 12 || fp & 3)
return -1;
}
/* XXX: check address validity with program info */
*paddr = ((uint32_t *)fp)[-1];
*paddr = ((addr_t *)fp)[-1];
return 0;
}
}
@ -586,8 +584,7 @@ static int rt_get_caller_pc(unsigned long *paddr,
#else
#warning add arch specific rt_get_caller_pc()
static int rt_get_caller_pc(unsigned long *paddr,
ucontext_t *uc, int level)
static int rt_get_caller_pc(addr_t *paddr, ucontext_t *uc, int level)
{
return -1;
}