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Resolve relative file names to absolute ones.

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Note that this is a tentative fix, which *should* be working, but it may as
well not be correct in some edge cases. Who knows.
This commit is contained in:
Bartosz Taudul 2022-08-16 23:48:46 +02:00
parent 3dc542a464
commit 1601ddeab5
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GPG Key ID: B7FE2008B7575DF3
1 changed files with 23 additions and 5 deletions
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24
public/libbacktrace/dwarf.cpp
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@ -3898,7 +3898,7 @@ read_function_info (struct backtrace_state *state, struct dwarf_data *ddata,
Returns whatever CALLBACK returns, or 0 to keep going. */ Returns whatever CALLBACK returns, or 0 to keep going. */
static int static int
report_inlined_functions (uintptr_t pc, struct function *function, report_inlined_functions (uintptr_t pc, struct function *function, const char* comp_dir,
backtrace_full_callback callback, void *data, backtrace_full_callback callback, void *data,
const char **filename, int *lineno) const char **filename, int *lineno)
{ {
@ -3952,13 +3952,22 @@ report_inlined_functions (uintptr_t pc, struct function *function,
inlined = match->function; inlined = match->function;
/* Report any calls inlined into this one. */ /* Report any calls inlined into this one. */
ret = report_inlined_functions (pc, inlined, callback, data, ret = report_inlined_functions (pc, inlined, comp_dir, callback, data,
filename, lineno); filename, lineno);
if (ret != 0) if (ret != 0)
return ret; return ret;
/* Report this inlined call. */ /* Report this inlined call. */
if (*filename[0] != '/' && comp_dir)
{
char buf[1024];
snprintf (buf, 1024, "%s/%s", comp_dir, *filename);
ret = callback (data, pc, match->low, buf, *lineno, inlined->name);
}
else
{
ret = callback (data, pc, match->low, *filename, *lineno, inlined->name); ret = callback (data, pc, match->low, *filename, *lineno, inlined->name);
}
if (ret != 0) if (ret != 0)
return ret; return ret;
@ -4225,13 +4234,22 @@ dwarf_lookup_pc (struct backtrace_state *state, struct dwarf_data *ddata,
filename = ln->filename; filename = ln->filename;
lineno = ln->lineno; lineno = ln->lineno;
ret = report_inlined_functions (pc, function, callback, data, ret = report_inlined_functions (pc, function, entry->u->comp_dir, callback, data,
&filename, &lineno); &filename, &lineno);
if (ret != 0) if (ret != 0)
return ret; return ret;
if (filename[0] != '/' && entry->u->comp_dir)
{
char buf[1024];
snprintf (buf, 1024, "%s/%s", entry->u->comp_dir, filename);
return callback (data, pc, fmatch->low, buf, lineno, function->name);
}
else
{
return callback (data, pc, fmatch->low, filename, lineno, function->name); return callback (data, pc, fmatch->low, filename, lineno, function->name);
} }
}
/* Return the file/line information for a PC using the DWARF mapping /* Return the file/line information for a PC using the DWARF mapping