diff options
Diffstat (limited to 'gdb/gdbserver/linux-i386-low.c')
| -rw-r--r-- | gdb/gdbserver/linux-i386-low.c | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/gdb/gdbserver/linux-i386-low.c b/gdb/gdbserver/linux-i386-low.c index b79b601..d8cc4ec 100644 --- a/gdb/gdbserver/linux-i386-low.c +++ b/gdb/gdbserver/linux-i386-low.c @@ -1,5 +1,5 @@ /* GNU/Linux/i386 specific low level interface, for the remote server for GDB. - Copyright 1995, 1996, 1998, 1999, 2000, 2001, 2002 + Copyright 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2004 Free Software Foundation, Inc. This file is part of GDB. @@ -23,10 +23,30 @@ #include "linux-low.h" #include "i387-fp.h" +/* Correct for all GNU/Linux targets (for quite some time). */ +#define GDB_GREGSET_T elf_gregset_t +#define GDB_FPREGSET_T elf_fpregset_t + +#ifndef HAVE_ELF_FPREGSET_T +/* Make sure we have said types. Not all platforms bring in <linux/elf.h> + via <sys/procfs.h>. */ +#ifdef HAVE_LINUX_ELF_H +#include <linux/elf.h> +#endif +#endif + +#include "../gdb_proc_service.h" + +#include <sys/ptrace.h> + #ifdef HAVE_SYS_REG_H #include <sys/reg.h> #endif +#ifndef PTRACE_GET_THREAD_AREA +#define PTRACE_GET_THREAD_AREA 25 +#endif + /* This module only supports access to the general purpose registers. */ #define i386_num_regs 16 @@ -43,6 +63,22 @@ static int i386_regmap[] = DS * 4, ES * 4, FS * 4, GS * 4 }; +/* Called by libthread_db. */ + +ps_err_e +ps_get_thread_area (const struct ps_prochandle *ph, + lwpid_t lwpid, int idx, void **base) +{ + unsigned int desc[4]; + + if (ptrace (PTRACE_GET_THREAD_AREA, lwpid, + (void *) idx, (unsigned long) &desc) < 0) + return PS_ERR; + + *(int *)base = desc[1]; + return PS_OK; +} + static int i386_cannot_store_register (int regno) { |