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[PATCH] Provide register set information for FreeBSD/amd64
- From: Mark Kettenis <kettenis at chello dot nl>
- To: gdb-patches at sources dot redhat dot com
- Date: Sat, 11 Oct 2003 16:53:39 +0200 (CEST)
- Subject: [PATCH] Provide register set information for FreeBSD/amd64
This adds the necessary register set information for FreeBSD/amd64.
Committed,
Mark
Index: ChangeLog
from Mark Kettenis <kettenis@gnu.org>
* amd64fbsd-tdep.c (amd64fbsd_r_reg_offset): New variable.
(amd64fbsd_init_abi): Set TDEP->gregset_reg_offset,
TDEP->gregset_num_regs and TDEP->sizeof_gregset. Use ARRAY_SIZE
in initialization of TDEP->sc_num_regs.
Index: amd64fbsd-tdep.c
===================================================================
RCS file: /cvs/src/src/gdb/amd64fbsd-tdep.c,v
retrieving revision 1.2
diff -u -p -r1.2 amd64fbsd-tdep.c
--- amd64fbsd-tdep.c 12 Sep 2003 19:27:38 -0000 1.2
+++ amd64fbsd-tdep.c 11 Oct 2003 14:27:46 -0000
@@ -1,4 +1,5 @@
/* Target-dependent code for FreeBSD/amd64.
+
Copyright 2003 Free Software Foundation, Inc.
This file is part of GDB.
@@ -48,6 +49,26 @@ amd64fbsd_sigcontext_addr (struct frame_
/* FreeBSD 5.1-RELEASE or later. */
+/* Mapping between the general-purpose registers in `struct reg'
+ format and GDB's register cache layout.
+
+ Note that some registers are 32-bit, but since we're little-endian
+ we get away with that. */
+
+/* From <machine/reg.h>. */
+static int amd64fbsd_r_reg_offset[] =
+{
+ 14 * 8, 11 * 8, /* %rax, %rbx */
+ 13 * 8, 12 * 8, /* %rcx, %rdx */
+ 9 * 8, 8 * 8, /* %rsi, %rdi */
+ 10 * 8, 20 * 8, /* %rbp, %rsp */
+ 7 * 8, 6 * 8, 5 * 8, 4 * 8, /* %r8 ... */
+ 3 * 8, 2 * 8, 1 * 8, 0 * 8, /* ... %r15 */
+ 17 * 8, 19 * 8, /* %rip, %eflags */
+ -1, -1, /* %ds, %es */
+ -1, -1 /* %fs, %gs */
+};
+
/* Location of the signal trampoline. */
CORE_ADDR amd64fbsd_sigtramp_start = 0x7fffffffffc0;
CORE_ADDR amd64fbsd_sigtramp_end = 0x7fffffffffe0;
@@ -87,13 +108,17 @@ amd64fbsd_init_abi (struct gdbarch_info
/* Obviously FreeBSD is BSD-based. */
i386bsd_init_abi (info, gdbarch);
+ tdep->gregset_reg_offset = amd64fbsd_r_reg_offset;
+ tdep->gregset_num_regs = ARRAY_SIZE (amd64fbsd_r_reg_offset);
+ tdep->sizeof_gregset = 22 * 8;
+
x86_64_init_abi (info, gdbarch);
tdep->sigtramp_start = amd64fbsd_sigtramp_start;
tdep->sigtramp_end = amd64fbsd_sigtramp_end;
tdep->sigcontext_addr = amd64fbsd_sigcontext_addr;
tdep->sc_reg_offset = amd64fbsd_sc_reg_offset;
- tdep->sc_num_regs = X86_64_NUM_GREGS;
+ tdep->sc_num_regs = ARRAY_SIZE (amd64fbsd_sc_reg_offset);
}