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| author | Daniel Jacobowitz <drow@false.org> | 2006-05-30 15:57:09 +0000 |
|---|---|---|
| committer | Daniel Jacobowitz <drow@false.org> | 2006-05-30 15:57:09 +0000 |
| commit | 9308fc88e7f28b38ac63622291a3ec853a72c1c8 (patch) | |
| tree | d67f03030693a760bbcfa23ec69d35bedb9c8e56 /gdb/arm-linux-nat.c | |
| parent | eebf07fbf50f2054980133a8643ba778bf27667d (diff) | |
| download | gdb-9308fc88e7f28b38ac63622291a3ec853a72c1c8.zip gdb-9308fc88e7f28b38ac63622291a3ec853a72c1c8.tar.gz gdb-9308fc88e7f28b38ac63622291a3ec853a72c1c8.tar.bz2 | |
gdb/
* Makefile.in (arm-linux-nat.o): Update dependencies.
* arm-linux-nat.c: Include "gdb_proc_service.h".
(PTRACE_GET_THREAD_AREA): Define.
(ps_get_thread_area): New function.
gdb/gdbserver/
* Makefile.in (linux-arm-low.o): Update dependencies.
* linux-arm-low.c: Include "../gdb_proc_service.h".
(PTRACE_GET_THREAD_AREA): Define.
(ps_get_thread_area): New function.
Diffstat (limited to 'gdb/arm-linux-nat.c')
| -rw-r--r-- | gdb/arm-linux-nat.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gdb/arm-linux-nat.c b/gdb/arm-linux-nat.c index 8023026..0cfec20 100644 --- a/gdb/arm-linux-nat.c +++ b/gdb/arm-linux-nat.c @@ -37,6 +37,13 @@ /* Prototypes for supply_gregset etc. */ #include "gregset.h" +/* Defines ps_err_e, struct ps_prochandle. */ +#include "gdb_proc_service.h" + +#ifndef PTRACE_GET_THREAD_AREA +#define PTRACE_GET_THREAD_AREA 22 +#endif + extern int arm_apcs_32; #define typeNone 0x00 @@ -694,6 +701,23 @@ arm_linux_kernel_u_size (void) return (sizeof (struct user)); } +/* Fetch the thread-local storage pointer for libthread_db. */ + +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 unsigned int get_linux_version (unsigned int *vmajor, unsigned int *vminor, |