diff options
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 2849d0252a7..393c3e69bd8 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) { |