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| author | Ricard Wanderlof <ricard@sourceware.org> | 2013-09-06 08:37:17 +0000 |
|---|---|---|
| committer | Ricard Wanderlof <ricard@sourceware.org> | 2013-09-06 08:37:17 +0000 |
| commit | 8eb3d7b6ca8ba08fba66a25ffe1e26a571187c55 (patch) | |
| tree | 295294c81083c765d0eec4a2733d41d59dcd1ef3 | |
| parent | 1581d8a7b47a9c0d600d575bb91aa3e135669906 (diff) | |
| download | gdb-8eb3d7b6ca8ba08fba66a25ffe1e26a571187c55.zip gdb-8eb3d7b6ca8ba08fba66a25ffe1e26a571187c55.tar.gz gdb-8eb3d7b6ca8ba08fba66a25ffe1e26a571187c55.tar.bz2 | |
Add support for threaded debugging for CRISv32.
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.
| -rw-r--r-- | gdb/ChangeLog | 5 | ||||
| -rw-r--r-- | gdb/cris-tdep.c | 5 | ||||
| -rw-r--r-- | gdb/gdbserver/ChangeLog | 5 | ||||
| -rw-r--r-- | gdb/gdbserver/linux-crisv32-low.c | 18 |
4 files changed, 33 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 36d441a..8a30eb2 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,10 @@ 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. (cris_elf_gregset_t): Rename from elf_gregset_t. (crisv32_elf_gregset_t): Adjust. diff --git a/gdb/cris-tdep.c b/gdb/cris-tdep.c index 1b0e3cd..ef2746d 100644 --- a/gdb/cris-tdep.c +++ b/gdb/cris-tdep.c @@ -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: diff --git a/gdb/gdbserver/ChangeLog b/gdb/gdbserver/ChangeLog index f362c34..440c5bb 100644 --- a/gdb/gdbserver/ChangeLog +++ b/gdb/gdbserver/ChangeLog @@ -1,5 +1,10 @@ 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. (initialize_low_arch): Call init_registers_crisv32 rather than init_register_crisv32. diff --git a/gdb/gdbserver/linux-crisv32-low.c b/gdb/gdbserver/linux-crisv32-low.c index 2849d02..393c3e6 100644 --- a/gdb/gdbserver/linux-crisv32-low.c +++ b/gdb/gdbserver/linux-crisv32-low.c @@ -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) { |