Imagelibrary/binutils-gdb
1
0
Fork 1
mirror of https://github.com/bminor/binutils-gdb.git synced 2025-12-27 17:40:49 +00:00
Code Issues Packages Projects Releases Wiki Activity

* i386fbsd-tdep.c: Update copyright year. Include "gdbcore.h",

Browse Source 
"regcache.h", "gdb_assert.h" and "bsd-uthread.h".
(i386fbsd_jmp_buf_reg_offset): New variable.
(i386fbsd_supply_uthread, i386fbsd_collect_uthread): New
functions.
(i386fbsdaout_init_abi): Set supply_uthread and collect_uthread.
* Makefile.in (i386fbsd-tdep.o): Update dependency.
* config/i386/fbsd.mt (TDEPFILES): Add bsd-uthread.o.
This commit is contained in:
Mark Kettenis
2005-01-12 21:54:13 +00:00
parent 82f5c14f4f
commit fa565c2b2d
4 changed files with 83 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

65
gdb/i386fbsd-tdep.c
View File

@@ -1,6 +1,6 @@
/* Target-dependent code for FreeBSD/i386.
Copyright 2003, 2004 Free Software Foundation, Inc.
Copyright 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of GDB.
@@ -21,10 +21,15 @@
#include "defs.h"
#include "arch-utils.h"
#include "gdbcore.h"
#include "osabi.h"
#include "regcache.h"
#include "gdb_assert.h"
#include "i386-tdep.h"
#include "i387-tdep.h"
#include "bsd-uthread.h"
#include "solib-svr4.h"
/* FreeBSD 3.0-RELEASE or later. */
@@ -65,6 +70,60 @@ static int i386fbsd_sc_reg_offset[] =
8 + 16 * 4 /* %gs */
};
/* From /usr/src/lib/libc/i386/_setjmp.S. */
static int i386fbsd_jmp_buf_reg_offset[] =
{
-1, /* %eax */
-1, /* %ecx */
-1, /* %edx */
1 * 4, /* %ebx */
2 * 4, /* %esp */
3 * 4, /* %ebp */
4 * 4, /* %esi */
5 * 4, /* %edi */
0 * 4 /* %eip */
};
static void
i386fbsd_supply_uthread (struct regcache *regcache,
int regnum, CORE_ADDR addr)
{
char buf[4];
int i;
gdb_assert (regnum >= -1);
for (i = 0; i < ARRAY_SIZE (i386fbsd_jmp_buf_reg_offset); i++)
{
if (i386fbsd_jmp_buf_reg_offset[i] != -1
&& (regnum == -1 || regnum == i))
{
read_memory (addr + i386fbsd_jmp_buf_reg_offset[i], buf, 4);
regcache_raw_supply (regcache, i, buf);
}
}
}
static void
i386fbsd_collect_uthread (const struct regcache *regcache,
int regnum, CORE_ADDR addr)
{
char buf[4];
int i;
gdb_assert (regnum >= -1);
for (i = 0; i < ARRAY_SIZE (i386fbsd_jmp_buf_reg_offset); i++)
{
if (i386fbsd_jmp_buf_reg_offset[i] != -1
&& (regnum == -1 || regnum == i))
{
regcache_raw_collect (regcache, i, buf);
write_memory (addr + i386fbsd_jmp_buf_reg_offset[i], buf, 4);
}
}
}
static void
i386fbsdaout_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
@@ -90,6 +149,10 @@ i386fbsdaout_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
/* FreeBSD has a more complete `struct sigcontext'. */
tdep->sc_reg_offset = i386fbsd_sc_reg_offset;
tdep->sc_num_regs = ARRAY_SIZE (i386fbsd_sc_reg_offset);
/* FreeBSD provides a user-level threads implementation. */
bsd_uthread_set_supply_uthread (gdbarch, i386fbsd_supply_uthread);
bsd_uthread_set_collect_uthread (gdbarch, i386fbsd_collect_uthread);
}
static void