https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441
Richard Biener changed:
What|Removed |Added
Status|WAITING |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441
--- Comment #27 from Trass3r ---
(In reply to rguent...@suse.de from comment #25)
> I fear this is the libbfd dwarf reader simply not coping with
> DW_AT_abstract_origin in other CUs, being confused as to which
> abbrev section it needs to look
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441
Jakub Jelinek changed:
What|Removed |Added
Target Milestone|9.2 |9.3
--- Comment #26 from Jakub Jelinek
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441
--- Comment #25 from rguenther at suse dot de ---
On Sun, 26 May 2019, hoganmeier at gmail dot com wrote:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441
>
> --- Comment #22 from krux ---
> I can also reproduce it without any linker
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441
--- Comment #24 from krux ---
objdump -dCrS also prints these errors.
It definitely fails to find the entry for main which is present according to
objdump --dwarf:
<1>: Abbrev Number: 8 (DW_TAG_subprogram)
DW_AT_external: 1
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441
--- Comment #23 from krux ---
But it's so fragile, touch any part of the code and the error disappears.
Like change serial3_available to void and you also get an additional symbol:
4160 0003 T mainmain.cpp:8
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441
--- Comment #22 from krux ---
I can also reproduce it without any linker script, simplified code:
int serial3_available() {}
struct HardwareSerial3 {
int available() { serial3_available(); }
};
HardwareSerial3 Serial3;
void yield()
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441
Iain Sandoe changed:
What|Removed |Added
Status|NEW |WAITING
--- Comment #21 from Iain Sandoe
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441
--- Comment #20 from krux ---
Thanks your patch worked!
Just fyi: llvm-dwarfdump doesn't understand call-site info:
https://bugs.llvm.org/show_bug.cgi?id=41846
Not sure if it's relevant.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441
--- Comment #19 from Iain Sandoe ---
(In reply to krux from comment #18)
> (In reply to Iain Sandoe from comment #14)
> > current trunk (27), manual regeneration of the
> > firmware.elf.ltrans0.ltrans.o ->
> >
> > (it's kinda frustrating
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441
--- Comment #18 from krux ---
(In reply to Iain Sandoe from comment #14)
> current trunk (27), manual regeneration of the
> firmware.elf.ltrans0.ltrans.o ->
>
> (it's kinda frustrating that one can't see the link line, more tweaks are
>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441
--- Comment #17 from Iain Sandoe ---
Created attachment 46348
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46348=edit
binaries for test
here is the output from trunk at 27
For some reason the plugin isn't getting the "-Wl,-debug"
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441
--- Comment #16 from Richard Biener ---
(In reply to Iain Sandoe from comment #14)
> (In reply to Iain Sandoe from comment #13)
> > (In reply to Iain Sandoe from comment #12)
>
> current trunk (27), manual regeneration of the
>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441
--- Comment #15 from Iain Sandoe ---
this repeats for the compiler build from r267372, confirming some latent issue.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441
--- Comment #14 from Iain Sandoe ---
(In reply to Iain Sandoe from comment #13)
> (In reply to Iain Sandoe from comment #12)
current trunk (27), manual regeneration of the
firmware.elf.ltrans0.ltrans.o ->
(it's kinda frustrating that one
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441
--- Comment #13 from Iain Sandoe ---
(In reply to Iain Sandoe from comment #12)
> (In reply to rguent...@suse.de from comment #11)
> > On Mon, 13 May 2019, iains at gcc dot gnu.org wrote:
> >
> > >
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441
--- Comment #12 from Iain Sandoe ---
(In reply to rguent...@suse.de from comment #11)
> On Mon, 13 May 2019, iains at gcc dot gnu.org wrote:
>
> > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441
> >
> > --- Comment #10 from Iain Sandoe ---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441
--- Comment #11 from rguenther at suse dot de ---
On Mon, 13 May 2019, iains at gcc dot gnu.org wrote:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441
>
> --- Comment #10 from Iain Sandoe ---
> (In reply to Iain Sandoe from comment #9)
>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441
--- Comment #10 from Iain Sandoe ---
(In reply to Iain Sandoe from comment #9)
> this is on the rev *before* the change, using llvm-dwarfdump from the llvm-7
> branch:
>
> iains@gcc122:~/gcc-trunk/A$ ../../llvm-710-build/bin/llvm-dwarfdump
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441
--- Comment #9 from Iain Sandoe ---
this is on the rev *before* the change, using llvm-dwarfdump from the llvm-7
branch:
iains@gcc122:~/gcc-trunk/A$ ../../llvm-710-build/bin/llvm-dwarfdump --verify
firmware.elf
Verifying firmware.elf: file
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441
--- Comment #8 from Richard Biener ---
nm -l fw.elf
also complains
nm: BFD (GNU Binutils; devel:gcc / openSUSE_Leap_42.3) 2.31.1.20180828-334
assertion fail ../../bfd/dwarf2.c:3750
nm: BFD (GNU Binutils; devel:gcc / openSUSE_Leap_42.3)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441
--- Comment #7 from Richard Biener ---
Btw, I can reproduce the nm error when linking w/o the linker script. But
readelf is happy about the dwarf.
I'm not sure what the llvm dwarf linter complains about with
error: DIE address ranges are not
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441
--- Comment #6 from Iain Sandoe ---
(In reply to Richard Biener from comment #5)
> Before the bisection the linker script probably managed to "fix" the debug
> info
> but the issue was latent. Without the linker script it works fine for me.
>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441
Richard Biener changed:
What|Removed |Added
CC||rguenth at gcc dot gnu.org
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441
Martin Liška changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Known to work|
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