https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81081
--- Comment #15 from Tom de Vries ---
(In reply to Jakub Jelinek from comment #13)
> You can try, but it seems upstream doesn't really care.
Done: https://reviews.llvm.org/D58493
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81081
--- Comment #14 from Denis Khalikov ---
IMHO, this is a really hard to face in real word.
You, probably, have to write your program on assembly and then let "as" to add
section with debuginfo, because "as" can not generate dwarf tag
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81081
--- Comment #13 from Jakub Jelinek ---
You can try, but it seems upstream doesn't really care.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81081
--- Comment #12 from Tom de Vries ---
(In reply to Tom de Vries from comment #11)
> Created attachment 45652 [details]
> Tentative patch
>
> Patch proposed in comment #10, added ChangeLog and rationale, bootstrapped
> and reg-tested.
Hi Jakub,
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81081
--- Comment #11 from Tom de Vries ---
Created attachment 45652
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45652=edit
Tentative patch
Patch proposed in comment #10, added ChangeLog and rationale, bootstrapped and
reg-tested.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81081
Tom de Vries changed:
What|Removed |Added
CC||vries at gcc dot gnu.org
--- Comment #10
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81081
--- Comment #9 from Denis Khalikov ---
I've added patch for review
https://reviews.llvm.org/D34149
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81081
--- Comment #8 from Jakub Jelinek ---
(In reply to Denis Khalikov from comment #7)
> Thanks, I was mistaken, fix should be in the libbacktrace.
No, I wasn't saying that. I meant:
static int SymbolizeCodePCInfoCallback(void *vdata, uintptr_t
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81081
--- Comment #7 from Denis Khalikov ---
Thanks, I was mistaken, fix should be in the libbacktrace.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81081
--- Comment #6 from Jakub Jelinek ---
The thing is that for backtrace_pcinfo the callback can be called multiple
times.
And IMNSHO the hack you want to do (fill in file/line in the backtrace_pcinfo
call and function during backtrace_syminfo) is
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81081
--- Comment #5 from Denis Khalikov ---
As I understood libbacktrace has two main calls to symbolize pc.
1. backtrace_pcinfo
/* Given a PC, find the file name, line number, and function name. */
164
165 int
166 backtrace_pcinfo (struct
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81081
--- Comment #4 from Jakub Jelinek ---
(In reply to Denis Khalikov from comment #3)
> This fix
> 111 AddressInfo *info = cdata->get_new_frame(addr);
> 112 if (filename)
> 113 info->file = internal_strdup(filename);
> 114 info->line =
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81081
--- Comment #3 from Denis Khalikov ---
This fix
111 AddressInfo *info = cdata->get_new_frame(addr);
112 if (filename)
113 info->file = internal_strdup(filename);
114 info->line = lineno;
115 if (function) {
116 info->function =
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81081
--- Comment #2 from Jakub Jelinek ---
libbacktrace upstream is in GCC, and the libsanitizer libbacktrace support,
while it is upstream, is not what LLVM uses (they have their own symbolizer
instead, using external program).
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81081
Richard Biener changed:
What|Removed |Added
Keywords||diagnostic
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