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Unhide rtld_db_dlactivity()

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Since linker is built with -fvisibility=hidden rtld_db_dlactivity()
if hidden from gdb.  Unhide it otherwise gdb may not know linker
activity and rescan solib

Change-Id: Ia8cd8d9738c6ea5696ba2ef0ebf2cf783f9ca70a
This commit is contained in:
Andrew Hsieh
2012-07-02 11:17:04 -07:00
parent 4d0128f13a
commit 40e7ed58d7
2 changed files with 3 additions and 3 deletions
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2
linker/linker.c
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@@ -159,7 +159,7 @@ const char *linker_get_error(void)
* This function is an empty stub where GDB locates a breakpoint to get notified
* about linker activity.
*/
extern void __attribute__((noinline)) rtld_db_dlactivity(void);
extern void __attribute__((noinline)) __attribute__((visibility("default"))) rtld_db_dlactivity(void);
static struct r_debug _r_debug = {1, NULL, &rtld_db_dlactivity,
RT_CONSISTENT, 0};

4
linker/rt.c
View File

@@ -28,9 +28,9 @@
/*
* This function is an empty stub where GDB locates a breakpoint to get notified
* about linker activity.
* about linker activity. It canʼt be inlined away, canʼt be hidden.
*/
void __attribute__((noinline)) rtld_db_dlactivity(void)
void __attribute__((noinline)) __attribute__((visibility("default"))) rtld_db_dlactivity(void)
{
}