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* [Bug libc/17555] New: [AARCH64][GLIBC]glibc's _start dosen't terminate the frame record chain correctly
@ 2014-11-05 10:28 marcus.shawcroft at gmail dot com
2014-11-05 10:29 ` [Bug libc/17555] " marcus.shawcroft at gmail dot com
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: marcus.shawcroft at gmail dot com @ 2014-11-05 10:28 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=17555
Bug ID: 17555
Summary: [AARCH64][GLIBC]glibc's _start dosen't terminate the
frame record chain correctly
Product: glibc
Version: 2.20
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: marcus.shawcroft at gmail dot com
CC: drepper.fsp at gmail dot com
In glibc-2.20/sysdeps/aarch64/start.S we find:
_start:
/* Create an initial frame with 0 LR and FP */
mov x29, #0
mov x30, #0
mov x29, sp
Because of the way _start is implemented, the end of the frame record
chain is not indicated by zero but instead by the value of
argc, because that's the first value on the initial stack.
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* [Bug libc/17555] [AARCH64][GLIBC]glibc's _start dosen't terminate the frame record chain correctly
2014-11-05 10:28 [Bug libc/17555] New: [AARCH64][GLIBC]glibc's _start dosen't terminate the frame record chain correctly marcus.shawcroft at gmail dot com
@ 2014-11-05 10:29 ` marcus.shawcroft at gmail dot com
2014-11-05 10:32 ` marcus.shawcroft at gmail dot com
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: marcus.shawcroft at gmail dot com @ 2014-11-05 10:29 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=17555
Marcus Shawcroft <marcus.shawcroft at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Host| |aarch64*-linux-gnu
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* [Bug libc/17555] [AARCH64][GLIBC]glibc's _start dosen't terminate the frame record chain correctly
2014-11-05 10:28 [Bug libc/17555] New: [AARCH64][GLIBC]glibc's _start dosen't terminate the frame record chain correctly marcus.shawcroft at gmail dot com
2014-11-05 10:29 ` [Bug libc/17555] " marcus.shawcroft at gmail dot com
@ 2014-11-05 10:32 ` marcus.shawcroft at gmail dot com
2014-11-05 10:33 ` marcus.shawcroft at gmail dot com
2014-11-11 16:01 ` marcus.shawcroft at gmail dot com
3 siblings, 0 replies; 5+ messages in thread
From: marcus.shawcroft at gmail dot com @ 2014-11-05 10:32 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=17555
Marcus Shawcroft <marcus.shawcroft at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |glibc_2.19, glibc_2.20
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* [Bug libc/17555] [AARCH64][GLIBC]glibc's _start dosen't terminate the frame record chain correctly
2014-11-05 10:28 [Bug libc/17555] New: [AARCH64][GLIBC]glibc's _start dosen't terminate the frame record chain correctly marcus.shawcroft at gmail dot com
2014-11-05 10:29 ` [Bug libc/17555] " marcus.shawcroft at gmail dot com
2014-11-05 10:32 ` marcus.shawcroft at gmail dot com
@ 2014-11-05 10:33 ` marcus.shawcroft at gmail dot com
2014-11-11 16:01 ` marcus.shawcroft at gmail dot com
3 siblings, 0 replies; 5+ messages in thread
From: marcus.shawcroft at gmail dot com @ 2014-11-05 10:33 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=17555
Marcus Shawcroft <marcus.shawcroft at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|unassigned at sourceware dot org |marcus.shawcroft at gmail dot com
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* [Bug libc/17555] [AARCH64][GLIBC]glibc's _start dosen't terminate the frame record chain correctly
2014-11-05 10:28 [Bug libc/17555] New: [AARCH64][GLIBC]glibc's _start dosen't terminate the frame record chain correctly marcus.shawcroft at gmail dot com
` (2 preceding siblings ...)
2014-11-05 10:33 ` marcus.shawcroft at gmail dot com
@ 2014-11-11 16:01 ` marcus.shawcroft at gmail dot com
3 siblings, 0 replies; 5+ messages in thread
From: marcus.shawcroft at gmail dot com @ 2014-11-11 16:01 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=17555
Marcus Shawcroft <marcus.shawcroft at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #1 from Marcus Shawcroft <marcus.shawcroft at gmail dot com> ---
Fix in trunk and backported to 2.20 and 2.19
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end of thread, other threads:[~2014-11-11 16:01 UTC | newest]
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2014-11-05 10:28 [Bug libc/17555] New: [AARCH64][GLIBC]glibc's _start dosen't terminate the frame record chain correctly marcus.shawcroft at gmail dot com
2014-11-05 10:29 ` [Bug libc/17555] " marcus.shawcroft at gmail dot com
2014-11-05 10:32 ` marcus.shawcroft at gmail dot com
2014-11-05 10:33 ` marcus.shawcroft at gmail dot com
2014-11-11 16:01 ` marcus.shawcroft at gmail dot com
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