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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 /gdb/gdbserver/linux-crisv32-low.c | |
| 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.
Diffstat (limited to 'gdb/gdbserver/linux-crisv32-low.c')
| -rw-r--r-- | gdb/gdbserver/linux-crisv32-low.c | 18 |
1 files changed, 18 insertions, 0 deletions
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) { |