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runtime: Remove confusion about split stack functions in backtrace. 

From-SVN: r195627
This commit is contained in:
Ian Lance Taylor 2013-01-31 19:44:24 +00:00
parent dbdbd982df
commit 7c81527e48
1 changed files with 10 additions and 2 deletions
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12
libgo/runtime/go-callers.c
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@ -16,6 +16,7 @@
struct callers_data struct callers_data
{ {
Location *locbuf; Location *locbuf;
int skip;
int index; int index;
int max; int max;
}; };
@ -41,6 +42,12 @@ callback (void *data, uintptr_t pc, const char *filename, int lineno,
return 0; return 0;
} }
if (arg->skip > 0)
{
--arg->skip;
return 0;
}
loc = &arg->locbuf[arg->index]; loc = &arg->locbuf[arg->index];
loc->pc = pc; loc->pc = pc;
@ -75,10 +82,11 @@ runtime_callers (int32 skip, Location *locbuf, int32 m)
struct callers_data data; struct callers_data data;
data.locbuf = locbuf; data.locbuf = locbuf;
data.skip = skip + 1;
data.index = 0; data.index = 0;
data.max = m; data.max = m;
backtrace_full (__go_get_backtrace_state (), skip + 1, callback, backtrace_full (__go_get_backtrace_state (), 0, callback, error_callback,
error_callback, &data); &data);
return data.index; return data.index;
} }