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Add support for threaded debugging for CRISv32.

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2013-09-06  Ricard Wanderlof  <ricardw@axis.com>

	* cris-tdep.c (cris_gdbarch_init): Add call to
	get_gdbarch_fetch_tls_load_module_address.

gdbserver

	* linux-crisv32-low.c (PTRACE_GET_THREAD_AREA): New macro.
	(ps_get_thread_area): New function.
This commit is contained in:
Ricard Wanderlof 2013-09-06 08:37:17 +00:00
parent 1581d8a7b4
commit 8eb3d7b6ca
4 changed files with 33 additions and 0 deletions
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5
gdb/ChangeLog
View File

@ -1,3 +1,8 @@
2013-09-06 Ricard Wanderlof <ricardw@axis.com>
* cris-tdep.c (cris_gdbarch_init): Add call to
get_gdbarch_fetch_tls_load_module_address.
2013-09-06 Ricard Wanderlof <ricardw@axis.com>
* cris-tdep.c (cris_elf_greg_t): Rename from elf_greg_t.

5
gdb/cris-tdep.c
View File

@ -4137,6 +4137,11 @@ cris_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_single_step_through_delay
(gdbarch, crisv32_single_step_through_delay);
/* FIXME: Ricard W/2013-09-03: Linux-specific stuff like this
should really go in (a new) cris-linux-tdep.c. */
set_gdbarch_fetch_tls_load_module_address (gdbarch,
svr4_fetch_objfile_link_map);
break;
default:

5
gdb/gdbserver/ChangeLog
View File

@ -1,3 +1,8 @@
2013-09-06 Ricard Wanderlof <ricardw@axis.com>
* linux-crisv32-low.c (PTRACE_GET_THREAD_AREA): New macro.
(ps_get_thread_area): New function.
2013-09-06 Ricard Wanderlof <ricardw@axis.com>
* linux-crisv32-low.c (elf_gregset_t): Delete typedef.

18
gdb/gdbserver/linux-crisv32-low.c
View File

@ -27,6 +27,10 @@ extern const struct target_desc *tdesc_crisv32;
/* CRISv32 */
#define cris_num_regs 49
#ifndef PTRACE_GET_THREAD_AREA
#define PTRACE_GET_THREAD_AREA 25
#endif
/* Note: Ignoring USP (having the stack pointer in two locations causes trouble
without any significant gain). */
@ -339,6 +343,20 @@ cris_stopped_data_address (void)
return eda;
}
ps_err_e
ps_get_thread_area (const struct ps_prochandle *ph,
lwpid_t lwpid, int idx, void **base)
{
if (ptrace (PTRACE_GET_THREAD_AREA, lwpid, NULL, base) != 0)
return PS_ERR;
/* IDX is the bias from the thread pointer to the beginning of the
thread descriptor. It has to be subtracted due to implementation
quirks in libthread_db. */
*base = (void *) ((char *) *base - idx);
return PS_OK;
}
static void
cris_fill_gregset (struct regcache *regcache, void *buf)
{