+2003-07-15 Michal Ludvig <mludvig@suse.cz>
+
+ * x86-64-linux-nat.c (regmap): Removed.
+ (supply_gregset, fill_gregset): Call
+ x86_64_linux_(fill,supply)_gregset functions.
+ * x86-64-linux-tdep.c (USER_*): New defines.
+ (user_to_gdb_regmap, x86_64_core_fns): New structure.
+ (x86_64_linux_supply_gregset, x86_64_linux_fill_gregset):
+ New functions.
+ (fetch_core_registers): Ditto.
+ (_initialize_x86_64_linux_tdep): Call add_core_fns().
+ * x86-64-linux-tdep.h: New file.
+ * config/i386/x86-64linux.mh (NATDEPFILES): Remove corelow.o
+ and core-regset.o.
+ * config/i386/x86-64linux.mt (TDEPFILES): Add corelow.o.
+
2003-07-13 Mark Kettenis <kettenis@gnu.org>
* x86-64-tdep.c (x86_64_store_return_value): Use
#include "gregset.h"
#include "x86-64-tdep.h"
-
-/* 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. */
-
-/* Mapping between the general-purpose registers in `struct user'
- format and GDB's register array layout. */
-static int regmap[] =
-{
- RAX, RBX, RCX, RDX,
- RSI, RDI, RBP, RSP,
- R8, R9, R10, R11,
- R12, R13, R14, R15,
- RIP, EFLAGS, CS, SS,
- DS, ES, FS, GS
-};
+#include "x86-64-linux-tdep.h"
/* Which ptrace request retrieves which registers?
These apply to the corresponding SET requests as well. */
void
supply_gregset (elf_gregset_t *gregsetp)
{
- elf_greg_t *regp = (elf_greg_t *) gregsetp;
- int i;
-
- for (i = 0; i < X86_64_NUM_GREGS; i++)
- supply_register (i, regp + regmap[i]);
+ x86_64_linux_supply_gregset ((char *) gregsetp);
}
/* Fill register REGNO (if it is a general-purpose register) in
void
fill_gregset (elf_gregset_t *gregsetp, int regno)
{
- elf_greg_t *regp = (elf_greg_t *) gregsetp;
- int i;
-
- for (i = 0; i < X86_64_NUM_GREGS; i++)
- if (regno == -1 || regno == i)
- regcache_collect (i, regp + regmap[i]);
+ x86_64_linux_fill_gregset ((char *) gregsetp, regno);
}
/* Fetch all general-purpose registers from process/thread TID and
#include "gdb_string.h"
#include "x86-64-tdep.h"
+#include "x86-64-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
+
+/* Mapping between the general-purpose registers in `struct user'
+ format and GDB's register array layout. */
+
+static int user_to_gdb_regmap[] =
+{
+ 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
+};
+
+/* Fill GDB's register array with the general-purpose register values
+ in *GREGSETP. */
+
+void
+x86_64_linux_supply_gregset (char *regp)
+{
+ int i;
+
+ for (i = 0; i < X86_64_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
+x86_64_linux_fill_gregset (char *regp, int regno)
+{
+ int i;
+
+ for (i = 0; i < X86_64_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
+ x86_64_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
+ x86_64_supply_fxsave (core_reg_sect);
+ break;
+
+ default:
+ /* Don't know what kind of register request this is; just ignore it. */
+ break;
+ }
+}
+
+static struct core_fns x86_64_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 */
+};
#define LINUX_SIGTRAMP_INSN0 0x48 /* mov $NNNNNNNN, %rax */
#define LINUX_SIGTRAMP_OFFSET0 0
void
_initialize_x86_64_linux_tdep (void)
{
+ add_core_fns (&x86_64_core_fns);
+
gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64, GDB_OSABI_LINUX,
x86_64_linux_init_abi);
}
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