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| author | Carlos O'Donell <carlos@redhat.com> | 2014-04-11 12:43:58 -0400 |
|---|---|---|
| committer | Carlos O'Donell <carlos@redhat.com> | 2014-04-14 15:45:40 -0400 |
| commit | f737dfd071f12584316ef90f2c71e33c2dc9801e (patch) | |
| tree | 8f08cbfde6974b06755df5d4392a356ae491be88 | |
| parent | 0699f766b10c86912b75f35bef697106b70c1cf6 (diff) | |
| download | glibc-f737dfd071f12584316ef90f2c71e33c2dc9801e.tar.gz | |
Support _r_debug for static binaries.
We initialize _r_debug for static binaries to allows debug
agents to treat static binaries a little more like dyanmic
ones. This simplifies the work a debug agent has to do to
access TLS in a static binary via libthread_db.
Tested on x86_64.
See:
https://sourceware.org/ml/libc-alpha/2014-04/msg00183.html
[BZ #16831]
* csu/libc-start.c (LIBC_START_MAIN) [!SHARED]: Call
_dl_debug_initialize.
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | NEWS | 2 | ||||
| -rw-r--r-- | csu/libc-start.c | 3 |
3 files changed, 10 insertions, 1 deletions
@@ -1,5 +1,11 @@ 2014-04-14 Carlos O'Donell <carlos@redhat.com> + [BZ #16831] + * csu/libc-start.c (LIBC_START_MAIN) [!SHARED]: Call + _dl_debug_initialize. + +2014-04-14 Carlos O'Donell <carlos@redhat.com> + * configure.ac: Remove SELinux header check. * configure: Regenerate. * nscd/selinux.c (perms): Array of const char* to permission names. @@ -14,7 +14,7 @@ Version 2.20 16610, 16611, 16613, 16623, 16632, 16634, 16639, 16642, 16648, 16649, 16670, 16674, 16677, 16680, 16683, 16689, 16695, 16701, 16706, 16707, 16712, 16713, 16714, 16731, 16739, 16743, 16758, 16759, 16760, 16770, - 16786, 16789, 16799, 16800, 16815, 16838. + 16786, 16789, 16799, 16800, 16815, 16831, 16838. * Running the testsuite no longer terminates as soon as a test fails. Instead, a file tests.sum (xtests.sum from "make xcheck") is generated, diff --git a/csu/libc-start.c b/csu/libc-start.c index 3b7092b359..d571a1aca9 100644 --- a/csu/libc-start.c +++ b/csu/libc-start.c @@ -264,6 +264,9 @@ LIBC_START_MAIN (int (*main) (int, char **, char ** MAIN_AUXVEC_DECL), GLRO(dl_debug_printf) ("\ntransferring control: %s\n\n", argv[0]); #endif +#ifndef SHARED + _dl_debug_initialize (0, LM_ID_BASE); +#endif #ifdef HAVE_CLEANUP_JMP_BUF /* Memory for the cancellation buffer. */ struct pthread_unwind_buf unwind_buf; |