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authorMark Kettenis <kettenis@gnu.org>2004-03-14 22:39:26 +0000
committerMark Kettenis <kettenis@gnu.org>2004-03-14 22:39:26 +0000
commit187e21d16111a20183a503edc3664f5b17485ddb (patch)
treea5aba4806ca477b797016c8d67c8582b6ec6627b /gdb/amd64-linux-tdep.c
parent99679982ac322d9a2ed2b88118059675ae875b4f (diff)
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* amd64-linux-tdep.h: Remove file.
* amd64-linux-tdep.c: Don't include "inferior.h" and "amd64-linux-tdep.h". Include "frame.h" and "solib-svr4.h". (USER_R15, USER_R14, USER_R13, USER_R12, USER_RBP, USER_RBX) (USER_R11, USER_R10, USER_R9, USER_R8, USER_RAX, USER_RCX) (USER_RDX, USER_RSI, USER_RDI, USER_RIP, USER_CS, USER_EFLAGS) (USER_RSP, USER_SS, USER_DS, USER_ES, USER_FS, USER_GS): Remove macros. (user_to_gdb_regmap): Remove variable. (amd64_linux_gregset_reg_offset): New variable. (amd64_core_fns): Remove variable. (fetch_core_registers): Remove function. (amd64_linux_supply_gregset, amd64_linux_fill_gregset): Remove functions. (_initialize_amd64_linux_tdep): Don't set add_core_fns. * amd64-linux-nat.c: Don't include "amd64-linux-tdep.h". * Makefile.in (amd64_linux_tdep_h): Remove. (amd64-linux-nat.o): Update dependencies. (amd64-linux-tdep.o): Update dependencies.
Diffstat (limited to 'gdb/amd64-linux-tdep.c')
-rw-r--r--gdb/amd64-linux-tdep.c149
1 files changed, 40 insertions, 109 deletions
diff --git a/gdb/amd64-linux-tdep.c b/gdb/amd64-linux-tdep.c
index 9a1636a..edf3794 100644
--- a/gdb/amd64-linux-tdep.c
+++ b/gdb/amd64-linux-tdep.c
@@ -21,7 +21,7 @@
Boston, MA 02111-1307, USA. */
#include "defs.h"
-#include "inferior.h"
+#include "frame.h"
#include "gdbcore.h"
#include "regcache.h"
#include "osabi.h"
@@ -29,117 +29,42 @@
#include "gdb_string.h"
#include "amd64-tdep.h"
-#include "amd64-linux-tdep.h"
-
-/* Register indexes to 'struct user' come from <sys/reg.h>. */
-
-#define USER_R15 0
-#define USER_R14 1
-#define USER_R13 2
-#define USER_R12 3
-#define USER_RBP 4
-#define USER_RBX 5
-#define USER_R11 6
-#define USER_R10 7
-#define USER_R9 8
-#define USER_R8 9
-#define USER_RAX 10
-#define USER_RCX 11
-#define USER_RDX 12
-#define USER_RSI 13
-#define USER_RDI 14
-#define USER_RIP 16
-#define USER_CS 17
-#define USER_EFLAGS 18
-#define USER_RSP 19
-#define USER_SS 20
-#define USER_DS 23
-#define USER_ES 24
-#define USER_FS 25
-#define USER_GS 26
+#include "solib-svr4.h"
/* Mapping between the general-purpose registers in `struct user'
- format and GDB's register array layout. */
+ format and GDB's register cache layout. */
-static int user_to_gdb_regmap[] =
+/* From <sys/reg.h>. */
+static int amd64_linux_gregset_reg_offset[] =
{
- USER_RAX, USER_RBX, USER_RCX, USER_RDX,
- USER_RSI, USER_RDI, USER_RBP, USER_RSP,
- USER_R8, USER_R9, USER_R10, USER_R11,
- USER_R12, USER_R13, USER_R14, USER_R15,
- USER_RIP, USER_EFLAGS,
- USER_CS, USER_SS,
- USER_DS, USER_ES, USER_FS, USER_GS
+ 10 * 8, /* %rax */
+ 5 * 8, /* %rbx */
+ 11 * 8, /* %rcx */
+ 12 * 8, /* %rdx */
+ 13 * 8, /* %rsi */
+ 14 * 8, /* %rdi */
+ 4 * 8, /* %rbp */
+ 19 * 8, /* %rsp */
+ 9 * 8, /* %r8 ... */
+ 8 * 8,
+ 7 * 8,
+ 6 * 8,
+ 3 * 8,
+ 2 * 8,
+ 1 * 8,
+ 0 * 8, /* ... %r15 */
+ 16 * 8, /* %rip */
+ 18 * 8, /* %eflags */
+ 17 * 8, /* %cs */
+ 20 * 8, /* %ss */
+ 23 * 8, /* %ds */
+ 24 * 8, /* %es */
+ 25 * 8, /* %fs */
+ 26 * 8 /* %gs */
};
+
-/* Fill GDB's register array with the general-purpose register values
- in *GREGSETP. */
-
-void
-amd64_linux_supply_gregset (char *regp)
-{
- int i;
-
- for (i = 0; i < AMD64_NUM_GREGS; i++)
- supply_register (i, regp + (user_to_gdb_regmap[i] * 8));
-}
-
-/* Fill register REGNO (if it is a general-purpose register) in
- *GREGSETPS with the value in GDB's register array. If REGNO is -1,
- do this for all registers. */
-
-void
-amd64_linux_fill_gregset (char *regp, int regno)
-{
- int i;
-
- for (i = 0; i < AMD64_NUM_GREGS; i++)
- if (regno == -1 || regno == i)
- regcache_collect (i, regp + (user_to_gdb_regmap[i] * 8));
-}
-
-/* The register sets used in GNU/Linux ELF core-dumps are identical to
- the register sets used by `ptrace'. The corresponding types are
- `elf_gregset_t' for the general-purpose registers (with
- `elf_greg_t' the type of a single GP register) and `elf_fpregset_t'
- for the floating-point registers. */
-
-static void
-fetch_core_registers (char *core_reg_sect, unsigned core_reg_size,
- int which, CORE_ADDR ignore)
-{
- switch (which)
- {
- case 0: /* Integer registers. */
- if (core_reg_size != 216)
- warning ("Wrong size register set in core file.");
- else
- amd64_linux_supply_gregset (core_reg_sect);
- break;
-
- case 2: /* Floating point registers. */
- case 3: /* "Extended" floating point registers. This is gdb-speak
- for SSE/SSE2. */
- if (core_reg_size != 512)
- warning ("Wrong size XMM register set in core file.");
- else
- amd64_supply_fxsave (current_regcache, -1, core_reg_sect);
- break;
-
- default:
- /* Don't know what kind of register request this is; just ignore it. */
- break;
- }
-}
-
-static struct core_fns amd64_core_fns =
-{
- bfd_target_elf_flavour, /* core_flavour */
- default_check_format, /* check_format */
- default_core_sniffer, /* core_sniffer */
- fetch_core_registers, /* core_read_registers */
- NULL /* next */
-};
+/* Support for signal handlers. */
#define LINUX_SIGTRAMP_INSN0 0x48 /* mov $NNNNNNNN, %rax */
#define LINUX_SIGTRAMP_OFFSET0 0
@@ -271,13 +196,21 @@ static void
amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ tdep->gregset_reg_offset = amd64_linux_gregset_reg_offset;
+ tdep->gregset_num_regs = ARRAY_SIZE (amd64_linux_gregset_reg_offset);
+ tdep->sizeof_gregset = 27 * 8;
+
amd64_init_abi (info, gdbarch);
set_gdbarch_pc_in_sigtramp (gdbarch, amd64_linux_pc_in_sigtramp);
-
tdep->sigcontext_addr = amd64_linux_sigcontext_addr;
tdep->sc_reg_offset = amd64_linux_sc_reg_offset;
tdep->sc_num_regs = ARRAY_SIZE (amd64_linux_sc_reg_offset);
+
+ /* GNU/Linux uses SVR4-style shared libraries. */
+ set_solib_svr4_fetch_link_map_offsets
+ (gdbarch, svr4_lp64_fetch_link_map_offsets);
}
@@ -287,8 +220,6 @@ extern void _initialize_amd64_linux_tdep (void);
void
_initialize_amd64_linux_tdep (void)
{
- add_core_fns (&amd64_core_fns);
-
gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64,
GDB_OSABI_LINUX, amd64_linux_init_abi);
}