patches/glibc/ports-2.12.1/440-alpha-cache-shape.patch
| author |
"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> |
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Tue Dec 13 23:32:39 2011 +0100 (2011-12-13) |
| branch | 1.13 |
| changeset 2847 |
c0bf2319af08 |
| permissions |
-rw-r--r-- |
scripts: fix dumping execution backtrace
Dumping the backtrace has been broken since changeset #652e56d6d35a:
scripts: execute each steps in a subshell
We can spawn sub-sub-shells in some cases.
The way the fault handler works is to dump the backtrace, but to avoid
printing it once for every sub-shell (which could get quite confusing),
it simply exits when it detects that it is being run in a sub-shell,
leaving to the top-level shell the work to dump the backtrace.
Because each step is executed in its own sub-shell, the variable arrays
that contain the step name, the source file and line number, are lost
when exiting the per-step sub-shell.
Hence, the backtrace is currently limited to printing only the top-level
main procedure of the shell.
Fix this thus:
- when dumping the bckatraces for the steps & the functions, remember
it was dumped, and only dump it if it was not already dumped
- at the top-level shell, print the hints
Also, rename the top-level step label.
Reported-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
(transplanted from 4193d6e6a17430a177fa88c287879c2c35e319f3)
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yann@2437
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older verisons of glibc would build dl-sysdep as shared-only and dl-support as
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yann@2437
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static-only. alpha hooks in a cache variable via dl-auxv.h. newer versions of
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yann@2437
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glibc build dl-sysdep as both shared and static which means we now have symbol
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yann@2437
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duplication for static builds with dl-sysdep and dl-support. since dl-sysdep
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yann@2437
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is both shared/static, there is no point in hooking dl-support anymore, so we
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yann@2437
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can punt it.
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yann@2437
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yann@2437
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diff -durN glibc-2.12.1.orig/glibc-ports-2.12.1/sysdeps/unix/sysv/linux/alpha/dl-support.c glibc-2.12.1/glibc-ports-2.12.1/sysdeps/unix/sysv/linux/alpha/dl-support.c
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yann@2437
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--- glibc-2.12.1.orig/glibc-ports-2.12.1/sysdeps/unix/sysv/linux/alpha/dl-support.c 2009-05-16 10:36:20.000000000 +0200
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yann@2437
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+++ glibc-2.12.1/glibc-ports-2.12.1/sysdeps/unix/sysv/linux/alpha/dl-support.c 2009-11-13 00:50:53.000000000 +0100
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yann@2437
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@@ -1,2 +1,1 @@
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yann@2437
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-#include "dl-auxv.h"
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yann@2437
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#include <elf/dl-support.c>
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