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* corelow.c (core_close): Don't hardcode the core's pid.

Browse Source 
(core_open): Find core threads before calling
	post_create_inferior.
	(add_to_thread_list, get_core_register_section): Take into account
	systems where the regset section names encode the pid of the
	inferior.

	* gdbarch.sh (core_reg_section_encodes_pid): New gdbarch setting.
	* gdbarch.h, gdbarch.c: Regenerate.

	* amd64-sol2-tdep.c (amd64_sol2_init_abi): Set it.
	* i386-sol2-tdep.c (i386_sol2_init_abi): Set it.
	* sparc-sol2-tdep.c (sparc32_sol2_init_abi): Set it.
	* sparc64-sol2-tdep.c (sparc64_sol2_init_abi): Set it.
This commit is contained in:
Pedro Alves
2009-02-16 03:16:24 +00:00
parent d0a63aa7a1
commit 959b87241d
9 changed files with 98 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
gdb/corelow.c
View File

@ -199,8 +199,9 @@ core_close (int quitting)
if (core_bfd)
{
int pid = ptid_get_pid (inferior_ptid);
inferior_ptid = null_ptid; /* Avoid confusion from thread stuff */
delete_inferior_silent (CORELOW_PID);
delete_inferior_silent (pid);
/* Clear out solib state while the bfd is still open. See
comments in clear_solib in solib.c. */
@ -244,7 +245,15 @@ add_to_thread_list (bfd *abfd, asection *asect, void *reg_sect_arg)
thread_id = atoi (bfd_section_name (abfd, asect) + 5);
ptid = ptid_build (ptid_get_pid (inferior_ptid), thread_id, 0);
if (core_gdbarch
&& gdbarch_core_reg_section_encodes_pid (core_gdbarch))
{
uint32_t merged_pid = thread_id;
ptid = ptid_build (merged_pid & 0xffff,
merged_pid >> 16, 0);
}
else
ptid = ptid_build (ptid_get_pid (inferior_ptid), thread_id, 0);
if (ptid_get_lwp (inferior_ptid) == 0)
/* The main thread has already been added before getting here, and
@ -374,16 +383,14 @@ core_open (char *filename, int from_tty)
from ST to MT. */
add_thread_silent (inferior_ptid);
/* This is done first, before anything has a chance to query the
inferior for information such as symbols. */
post_create_inferior (&core_ops, from_tty);
/* Build up thread list from BFD sections, and possibly set the
current thread to the .reg/NN section matching the .reg
section. */
bfd_map_over_sections (core_bfd, add_to_thread_list,
bfd_get_section_by_name (core_bfd, ".reg"));
post_create_inferior (&core_ops, from_tty);
/* Now go through the target stack looking for threads since there
may be a thread_stratum target loaded on top of target core by
now. The layer above should claim threads found in the BFD
@ -453,7 +460,18 @@ get_core_register_section (struct regcache *regcache,
char *contents;
xfree (section_name);
if (ptid_get_lwp (inferior_ptid))
if (core_gdbarch
&& gdbarch_core_reg_section_encodes_pid (core_gdbarch))
{
uint32_t merged_pid;
merged_pid = ptid_get_lwp (inferior_ptid);
merged_pid = merged_pid << 16 | ptid_get_pid (inferior_ptid);
section_name = xstrprintf ("%s/%s", name, plongest (merged_pid));
}
else if (ptid_get_lwp (inferior_ptid))
section_name = xstrprintf ("%s/%ld", name, ptid_get_lwp (inferior_ptid));
else
section_name = xstrdup (name);