diff options
| author | Daniel Jacobowitz <drow@false.org> | 2006-03-15 16:08:24 +0000 |
|---|---|---|
| committer | Daniel Jacobowitz <drow@false.org> | 2006-03-15 16:08:24 +0000 |
| commit | dc60ece87d8448b8d6f37411daefabbd830c20d5 (patch) | |
| tree | d5486fe83a5593bc582e54582e640c883905ca28 | |
| parent | 7123df0e8094827978ce5f0cebc67e5d58bdc053 (diff) | |
| download | binutils-gdb-dc60ece87d8448b8d6f37411daefabbd830c20d5.tar.gz | |
* mips-linux-nat.c: Include "gdb_proc_service.h".
(PTRACE_GET_THREAD_AREA): Define.
(ps_get_thread_area): New.
* Makefile.in (mips-linux-nat.o): Update.
| -rw-r--r-- | gdb/ChangeLog | 7 | ||||
| -rw-r--r-- | gdb/Makefile.in | 2 | ||||
| -rw-r--r-- | gdb/mips-linux-nat.c | 26 |
3 files changed, 33 insertions, 2 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 44f5ea40ba2..826678c1265 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,10 @@ +2006-03-15 Daniel Jacobowitz <dan@codesourcery.com> + + * mips-linux-nat.c: Include "gdb_proc_service.h". + (PTRACE_GET_THREAD_AREA): Define. + (ps_get_thread_area): New. + * Makefile.in (mips-linux-nat.o): Update. + 2006-03-13 Jim Blandy <jimb@codesourcery.com> * MAINTAINERS: Use my work address. diff --git a/gdb/Makefile.in b/gdb/Makefile.in index d5abb4f682f..74bdf0b2809 100644 --- a/gdb/Makefile.in +++ b/gdb/Makefile.in @@ -2295,7 +2295,7 @@ mips64obsd-tdep.o: mips64obsd-tdep.c $(defs_h) $(osabi_h) $(regcache_h) \ $(gdb_string_h) $(mips_tdep_h) $(solib_svr4_h) mips-irix-tdep.o: mips-irix-tdep.c $(defs_h) $(osabi_h) $(elf_bfd_h) mips-linux-nat.o: mips-linux-nat.c $(defs_h) $(mips_tdep_h) $(target_h) \ - $(linux_nat_h) + $(linux_nat_h) $(gdb_proc_service_h) mips-linux-tdep.o: mips-linux-tdep.c $(defs_h) $(gdbcore_h) $(target_h) \ $(solib_svr4_h) $(osabi_h) $(mips_tdep_h) $(gdb_string_h) \ $(gdb_assert_h) $(frame_h) $(regcache_h) $(trad_frame_h) \ diff --git a/gdb/mips-linux-nat.c b/gdb/mips-linux-nat.c index 0d581d180ba..1f18771c9b3 100644 --- a/gdb/mips-linux-nat.c +++ b/gdb/mips-linux-nat.c @@ -1,6 +1,7 @@ /* Native-dependent code for GNU/Linux on MIPS processors. - Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. + Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006 + Free Software Foundation, Inc. This file is part of GDB. @@ -24,6 +25,12 @@ #include "target.h" #include "linux-nat.h" +#include "gdb_proc_service.h" + +#ifndef PTRACE_GET_THREAD_AREA +#define PTRACE_GET_THREAD_AREA 25 +#endif + /* Pseudo registers can not be read. ptrace does not provide a way to read (or set) MIPS_PS_REGNUM, and there's no point in reading or setting MIPS_ZERO_REGNUM. We also can not set BADVADDR, CAUSE, or @@ -65,6 +72,23 @@ mips_linux_cannot_store_register (int regno) return 1; } +/* 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; +} + void _initialize_mips_linux_nat (void); void |