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* linux-low.c (linux_supports_tracefork_flag): Document.

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(linux_look_up_symbols): Add comment.
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Doug Evans 2010-02-13 01:13:54 +00:00
parent 0da6fa6c5b
commit 6076632b70
2 changed files with 9 additions and 0 deletions

5
gdb/gdbserver/ChangeLog
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@ -1,3 +1,8 @@
2010-02-12 Doug Evans <dje@google.com>
* linux-low.c (linux_supports_tracefork_flag): Document.
(linux_look_up_symbols): Add comment.
2010-02-03 H.J. Lu <hongjiu.lu@intel.com> 2010-02-03 H.J. Lu <hongjiu.lu@intel.com>
* regcache.c (supply_register): Clear regcache if buf is NULL. * regcache.c (supply_register): Clear regcache if buf is NULL.

4
gdb/gdbserver/linux-low.c
View file

@ -2580,6 +2580,7 @@ linux_write_memory (CORE_ADDR memaddr, const unsigned char *myaddr, int len)
return 0; return 0;
} }
/* Non-zero if the kernel supports PTRACE_O_TRACEFORK. */
static int linux_supports_tracefork_flag; static int linux_supports_tracefork_flag;
/* Helper functions for linux_test_for_tracefork, called via clone (). */ /* Helper functions for linux_test_for_tracefork, called via clone (). */
@ -2735,6 +2736,9 @@ linux_look_up_symbols (void)
if (proc->private->thread_db != NULL) if (proc->private->thread_db != NULL)
return; return;
/* If the kernel supports tracing forks then it also supports tracing
clones, and then we don't need to use the magic thread event breakpoint
to learn about threads. */
thread_db_init (!linux_supports_tracefork_flag); thread_db_init (!linux_supports_tracefork_flag);
#endif #endif
} }