|unassigned at sourceware dot org |indu.bhagat at oracle
dot com
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https://sourceware.org/bugzilla/show_bug.cgi?id=29856
--- Comment #1 from Indu Bhagat ---
Thanks for the report. The misaligned load here is for access to an element in
the in-memory abstraction provided by libsframe (namely struct
sframe_frame_row_entry). Now there are ways to resolve that (e.g.
https://sourceware.org/bugzilla/show_bug.cgi?id=30014
--- Comment #1 from Indu Bhagat ---
Created attachment 14605
--> https://sourceware.org/bugzilla/attachment.cgi?id=14605&action=edit
Proposed fix for pr 30014
Proposed fix. Will test this patch on my end.
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--- Comment #2 from Indu Bhagat ---
Thanks for reporting this issue and providing all the details. Very helpful.
The issue seems to be that the applicable dependency (install-strip-bfd:
maybe-install-strip-libsframe) was missing.
As for libt
https://sourceware.org/bugzilla/show_bug.cgi?id=30014
Indu Bhagat changed:
What|Removed |Added
Ever confirmed|0 |1
Status|UNCONFIRMED
https://sourceware.org/bugzilla/show_bug.cgi?id=30588
--- Comment #1 from Indu Bhagat ---
What is the incentive to support --disable-libsframe ?
Currently, the GNU ld, objdump, readelf use libsframe to read/write/dump SFrame
data.
Thinking aloud about this would imply. The SFrame section (.sfra
https://sourceware.org/bugzilla/show_bug.cgi?id=30588
--- Comment #3 from Indu Bhagat ---
(In reply to Tom Tromey from comment #2)
> (In reply to Indu Bhagat from comment #1)
> > What is the incentive to support --disable-libsframe ?
>
> I have no need for it.
>
> libsframe has a source depende
https://sourceware.org/bugzilla/show_bug.cgi?id=31108
--- Comment #4 from Indu Bhagat ---
Yes, the toplevel Makefile.* in GCC will need the install-* dependencies in GCC
13.2.0.
The original commit
https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=3de627ffe4b51b3d82acdb5fb04c189978697832
chose to sk
: normal
Priority: P2
Component: gas
Assignee: unassigned at sourceware dot org
Reporter: indu.bhagat at oracle dot com
Target Milestone: ---
When the user specifies --gsframe, GAS consumes the .cfi_* directives to
generate the SFrame stack trace information
https://sourceware.org/bugzilla/show_bug.cgi?id=31213
Indu Bhagat changed:
What|Removed |Added
Assignee|unassigned at sourceware dot org |indu.bhagat at oracle
dot com
https://sourceware.org/bugzilla/show_bug.cgi?id=31213
Indu Bhagat changed:
What|Removed |Added
Priority|P2 |P3
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Indu Bhagat changed:
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https://sourceware.org/bugzilla/show_bug.cgi?id=31108
--- Comment #5 from Indu Bhagat ---
I proposed a backport at gcc-patches mailing list
https://gcc.gnu.org/pipermail/gcc-patches/2023-December/639444.html
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Indu Bhagat changed:
What|Removed |Added
Assignee|unassigned at sourceware dot org |indu.bhagat at oracle
dot com
Component: gas
Assignee: unassigned at sourceware dot org
Reporter: indu.bhagat at oracle dot com
Target Milestone: ---
Currently, if an indirect jump is seen, GCFG (a CFG of ginsns) cannot be
created. GCFG creation is necessary for SCFI (invoked via --scfi=experimental
on
https://sourceware.org/bugzilla/show_bug.cgi?id=31284
Indu Bhagat changed:
What|Removed |Added
Priority|P2 |P3
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Priority: P2
Component: gas
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Reporter: indu.bhagat at oracle dot com
Target Milestone: ---
As per the x86 ISA manual:
- 32-bit operands generate a 32-bit result, zero-extended to a 64-bit result
in the destination
https://sourceware.org/bugzilla/show_bug.cgi?id=31326
Indu Bhagat changed:
What|Removed |Added
Assignee|unassigned at sourceware dot org |indu.bhagat at oracle
dot com
https://sourceware.org/bugzilla/show_bug.cgi?id=30014
Indu Bhagat changed:
What|Removed |Added
Resolution|--- |FIXED
Status|NEW
https://sourceware.org/bugzilla/show_bug.cgi?id=31108
Indu Bhagat changed:
What|Removed |Added
Resolution|--- |INVALID
Status|NEW
https://sourceware.org/bugzilla/show_bug.cgi?id=31654
--- Comment #2 from Indu Bhagat ---
This is repeatable on other arches too using binutils-gdb master.
One aarch64:
$ cat test.s
.cfi_startproc
.long 0
.cfi_def_cfa_offset 8
.long 0
.cfi_rel_offset 29,
https://sourceware.org/bugzilla/show_bug.cgi?id=31213
--- Comment #2 from Indu Bhagat ---
Further improvements in the diagnostics issued when skipping SFrame FDE
generation were done recently:
https://sourceware.org/pipermail/binutils/2024-June/135056.html
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Indu Bhagat changed:
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Resolution|--- |FIXED
Status|NEW
https://sourceware.org/bugzilla/show_bug.cgi?id=31284
Indu Bhagat changed:
What|Removed |Added
Resolution|--- |FIXED
Status|NEW
https://sourceware.org/bugzilla/show_bug.cgi?id=32161
Indu Bhagat changed:
What|Removed |Added
CC||indu.bhagat at oracle dot com
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Priority: P2
Component: ld
Assignee: unassigned at sourceware dot org
Reporter: indu.bhagat at oracle dot com
Target Milestone: ---
On an IBT enabled system, a user reported the following failure:
# cat test-noop.c
int main() {}
# gcc -O2 -Wa,-gsframe -o test-noop test
https://sourceware.org/bugzilla/show_bug.cgi?id=32297
--- Comment #1 from Indu Bhagat ---
A hand-crafted reproducer:
$ cat bar.c
void foo();
unsigned long var;
void test () {
var = (unsigned long)foo;
foo ();
}
$ cat foo.s
.globl foo
foo:
.section.note.GNU-stack,"",@progbits
$ gc
https://sourceware.org/bugzilla/show_bug.cgi?id=32296
Indu Bhagat changed:
What|Removed |Added
Assignee|unassigned at sourceware dot org |indu.bhagat at oracle
dot com
https://sourceware.org/bugzilla/show_bug.cgi?id=32297
Indu Bhagat changed:
What|Removed |Added
Assignee|unassigned at sourceware dot org |indu.bhagat at oracle
dot com
Priority: P2
Component: ld
Assignee: unassigned at sourceware dot org
Reporter: indu.bhagat at oracle dot com
Target Milestone: ---
$ cat foo.s
.text
.p2align 4
.globl bar
.type bar, @function
bar:
.cfi_startproc
https://sourceware.org/bugzilla/show_bug.cgi?id=32296
--- Comment #1 from Indu Bhagat ---
Committed fix
https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=938fb512184d90d24b86c42ef53ef33c943cbe8b
Fri, 1 Nov 2024 22:36:03 + (15:36 -0700)
commit 938fb512184d90d24b86c42ef53ef33c943cbe8b
https://sourceware.org/bugzilla/show_bug.cgi?id=32297
--- Comment #2 from Indu Bhagat ---
https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=1785837a25709721358dab9ee16bbfee74f5f4d1
Fri, 1 Nov 2024 22:26:13 + (15:26 -0700)
commit 1785837a25709721358dab9ee16bbfee74f5f4d1
ld: fix PR/3
https://sourceware.org/bugzilla/show_bug.cgi?id=32298
--- Comment #1 from Indu Bhagat ---
https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=47c88752f9adf3815566ae52731867a3bb87b044
Fri, 1 Nov 2024 22:36:35 + (15:36 -0700)
commit 47c88752f9adf3815566ae52731867a3bb87b044
ld: generate
https://sourceware.org/bugzilla/show_bug.cgi?id=32298
Indu Bhagat changed:
What|Removed |Added
Assignee|unassigned at sourceware dot org |indu.bhagat at oracle
dot com
Priority: P2
Component: ld
Assignee: unassigned at sourceware dot org
Reporter: indu.bhagat at oracle dot com
Target Milestone: ---
The linker currently does not generate any SFrame stack trace information for
the .plt.got sections. There is SFrame information for other
https://sourceware.org/bugzilla/show_bug.cgi?id=32187
Indu Bhagat changed:
What|Removed |Added
Assignee|unassigned at sourceware dot org |indu.bhagat at oracle
dot com
Assignee: unassigned at sourceware dot org
Reporter: indu.bhagat at oracle dot com
Target Milestone: ---
In aarch64, the following code pattern may be used for managing stack
statically:
mov x16, IMM
add sp, sp, x16
Currently, when using --scfi=experimental, the above
Component: libsframe
Assignee: indu.bhagat at oracle dot com
Reporter: indu.bhagat at oracle dot com
Target Milestone: ---
It will be useful for readelf / objdump to display the appropriate function
start address (see pc = 0x0, and the PC of the first FRE) in the SFrame
https://sourceware.org/bugzilla/show_bug.cgi?id=31654
Indu Bhagat changed:
What|Removed |Added
Ever confirmed|0 |1
Status|UNCONFIRMED
https://sourceware.org/bugzilla/show_bug.cgi?id=32589
Indu Bhagat changed:
What|Removed |Added
Status|NEW |ASSIGNED
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--- Comment #1 from Indu Bhagat ---
Currently the section contents are not relocated before textual dump. Hence
the value 0.
$ readelf -r file.o
Relocation section '.rela.sframe' at offset 0x8728 contains 3 entries:
Offset Info
|UNCONFIRMED |NEW
Ever confirmed|0 |1
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--- Comment #2 from Indu Bhagat ---
Confirmed.
In presence of bad offsets, relocating SFrame sections with bad .rela.sframe
will result in bad data in the SFrame section.
The issue is that with relocatable link, we need to manually adjust (i
https://sourceware.org/bugzilla/show_bug.cgi?id=32613
Indu Bhagat changed:
What|Removed |Added
CC||indu.bhagat at oracle dot com
https://sourceware.org/bugzilla/show_bug.cgi?id=32297
--- Comment #3 from Indu Bhagat ---
Fixed in 2.44
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--- Comment #2 from Indu Bhagat ---
Fixed in 2.44
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Indu Bhagat changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|---
https://sourceware.org/bugzilla/show_bug.cgi?id=32298
Indu Bhagat changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|---
https://sourceware.org/bugzilla/show_bug.cgi?id=32297
Indu Bhagat changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|---
Component: ld
Assignee: unassigned at sourceware dot org
Reporter: indu.bhagat at oracle dot com
Target Milestone: ---
$ cat gc-section.s
.text
.globl foo
.type foo, @function
foo:
.cfi_startproc
ret
.cfi_endproc
.size
https://sourceware.org/bugzilla/show_bug.cgi?id=32589
--- Comment #2 from Indu Bhagat ---
Proposed fix for this issue together with PR ld/32666
https://sourceware.org/pipermail/binutils/2025-March/139853.html
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--- Comment #3 from Indu Bhagat ---
Proposed fix for this issue together with PR libsframe/32589
https://sourceware.org/pipermail/binutils/2025-March/139853.html
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