void init_registers_powerpc_32 (void);
/* Defined in auto-generated file powerpc-e500.c. */
void init_registers_powerpc_e500 (void);
+/* Defined in auto-generated file reg-ppc64.c. */
+void init_registers_ppc64 (void);
+/* Defined in auto-generated file powerpc-64.c. */
+void init_registers_powerpc_64 (void);
#define ppc_num_regs 71
+#ifdef __powerpc64__
+/* We use a constant for FPSCR instead of PT_FPSCR, because
+ many shipped PPC64 kernels had the wrong value in ptrace.h. */
+static int ppc_regmap[] =
+ {PT_R0 * 8, PT_R1 * 8, PT_R2 * 8, PT_R3 * 8,
+ PT_R4 * 8, PT_R5 * 8, PT_R6 * 8, PT_R7 * 8,
+ PT_R8 * 8, PT_R9 * 8, PT_R10 * 8, PT_R11 * 8,
+ PT_R12 * 8, PT_R13 * 8, PT_R14 * 8, PT_R15 * 8,
+ PT_R16 * 8, PT_R17 * 8, PT_R18 * 8, PT_R19 * 8,
+ PT_R20 * 8, PT_R21 * 8, PT_R22 * 8, PT_R23 * 8,
+ PT_R24 * 8, PT_R25 * 8, PT_R26 * 8, PT_R27 * 8,
+ PT_R28 * 8, PT_R29 * 8, PT_R30 * 8, PT_R31 * 8,
+ PT_FPR0*8, PT_FPR0*8 + 8, PT_FPR0*8+16, PT_FPR0*8+24,
+ PT_FPR0*8+32, PT_FPR0*8+40, PT_FPR0*8+48, PT_FPR0*8+56,
+ PT_FPR0*8+64, PT_FPR0*8+72, PT_FPR0*8+80, PT_FPR0*8+88,
+ PT_FPR0*8+96, PT_FPR0*8+104, PT_FPR0*8+112, PT_FPR0*8+120,
+ PT_FPR0*8+128, PT_FPR0*8+136, PT_FPR0*8+144, PT_FPR0*8+152,
+ PT_FPR0*8+160, PT_FPR0*8+168, PT_FPR0*8+176, PT_FPR0*8+184,
+ PT_FPR0*8+192, PT_FPR0*8+200, PT_FPR0*8+208, PT_FPR0*8+216,
+ PT_FPR0*8+224, PT_FPR0*8+232, PT_FPR0*8+240, PT_FPR0*8+248,
+ PT_NIP * 8, PT_MSR * 8, PT_CCR * 8, PT_LNK * 8,
+ PT_CTR * 8, PT_XER * 8, PT_FPR0*8 + 256 };
+#else
/* Currently, don't check/send MQ. */
static int ppc_regmap[] =
{PT_R0 * 4, PT_R1 * 4, PT_R2 * 4, PT_R3 * 4,
PT_CTR * 4, PT_XER * 4, PT_FPSCR * 4
#endif
};
+#endif
static int
ppc_cannot_store_register (int regno)
{
-#ifndef __SPE__
+#if !defined (__powerpc64__) && !defined (__SPE__)
/* Some kernels do not allow us to store fpscr. */
if (regno == find_regno ("fpscr"))
return 2;
return 0;
}
+static void
+ppc_collect_ptrace_register (int regno, char *buf)
+{
+ int size = register_size (regno);
+ if (size < sizeof (long))
+ collect_register (regno, buf + sizeof (long) - size);
+ else
+ collect_register (regno, buf);
+}
+
+static void
+ppc_supply_ptrace_register (int regno, const char *buf)
+{
+ int size = register_size (regno);
+ if (size < sizeof (long))
+ supply_register (regno, buf + sizeof (long) - size);
+ else
+ supply_register (regno, buf);
+}
+
static CORE_ADDR
ppc_get_pc (void)
{
supply_register_by_name ("pc", &newpc);
}
-/* Correct in either endianness. Note that this file is
- for PowerPC only, not PowerPC64.
+/* Correct in either endianness.
This instruction is "twge r2, r2", which GDB uses as a software
breakpoint. */
-static const unsigned long ppc_breakpoint = 0x7d821008;
+static const unsigned int ppc_breakpoint = 0x7d821008;
#define ppc_breakpoint_len 4
static int
ppc_breakpoint_at (CORE_ADDR where)
{
- unsigned long insn;
+ unsigned int insn;
(*the_target->read_memory) (where, (unsigned char *) &insn, 4);
if (insn == ppc_breakpoint)
};
struct linux_target_ops the_low_target = {
+#ifdef __powerpc64__
+#ifdef __ALTIVEC__
+ init_registers_powerpc_64,
+#else
+ init_registers_ppc64,
+#endif
+#else
#ifdef __ALTIVEC__
init_registers_powerpc_32,
#else
#else
init_registers_ppc,
#endif
+#endif
#endif
ppc_num_regs,
ppc_regmap,
NULL,
0,
ppc_breakpoint_at,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ ppc_collect_ptrace_register,
+ ppc_supply_ptrace_register,
};
+++ /dev/null
-/* GNU/Linux/PowerPC64 specific low level interface, for the remote server for
- GDB.
- Copyright (C) 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2005, 2007, 2008
- Free Software Foundation, Inc.
-
- This file is part of GDB.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
-
-#include "server.h"
-#include "linux-low.h"
-
-/* Defined in auto-generated file reg-ppc64.c. */
-void init_registers_ppc64 (void);
-/* Defined in auto-generated file powerpc-64.c. */
-void init_registers_powerpc_64 (void);
-
-#include <asm/ptrace.h>
-
-#define ppc_num_regs 71
-
-/* We use a constant for FPSCR instead of PT_FPSCR, because
- many shipped PPC64 kernels had the wrong value in ptrace.h. */
-static int ppc_regmap[] =
- {PT_R0 * 8, PT_R1 * 8, PT_R2 * 8, PT_R3 * 8,
- PT_R4 * 8, PT_R5 * 8, PT_R6 * 8, PT_R7 * 8,
- PT_R8 * 8, PT_R9 * 8, PT_R10 * 8, PT_R11 * 8,
- PT_R12 * 8, PT_R13 * 8, PT_R14 * 8, PT_R15 * 8,
- PT_R16 * 8, PT_R17 * 8, PT_R18 * 8, PT_R19 * 8,
- PT_R20 * 8, PT_R21 * 8, PT_R22 * 8, PT_R23 * 8,
- PT_R24 * 8, PT_R25 * 8, PT_R26 * 8, PT_R27 * 8,
- PT_R28 * 8, PT_R29 * 8, PT_R30 * 8, PT_R31 * 8,
- PT_FPR0*8, PT_FPR0*8 + 8, PT_FPR0*8+16, PT_FPR0*8+24,
- PT_FPR0*8+32, PT_FPR0*8+40, PT_FPR0*8+48, PT_FPR0*8+56,
- PT_FPR0*8+64, PT_FPR0*8+72, PT_FPR0*8+80, PT_FPR0*8+88,
- PT_FPR0*8+96, PT_FPR0*8+104, PT_FPR0*8+112, PT_FPR0*8+120,
- PT_FPR0*8+128, PT_FPR0*8+136, PT_FPR0*8+144, PT_FPR0*8+152,
- PT_FPR0*8+160, PT_FPR0*8+168, PT_FPR0*8+176, PT_FPR0*8+184,
- PT_FPR0*8+192, PT_FPR0*8+200, PT_FPR0*8+208, PT_FPR0*8+216,
- PT_FPR0*8+224, PT_FPR0*8+232, PT_FPR0*8+240, PT_FPR0*8+248,
- PT_NIP * 8, PT_MSR * 8, PT_CCR * 8, PT_LNK * 8,
- PT_CTR * 8, PT_XER * 8, PT_FPR0*8 + 256 };
-
-static int
-ppc_cannot_store_register (int regno)
-{
- return 0;
-}
-
-static int
-ppc_cannot_fetch_register (int regno)
-{
- return 0;
-}
-
-static void
-ppc_collect_ptrace_register (int regno, char *buf)
-{
- int size = register_size (regno);
- if (size < sizeof (long))
- collect_register (regno, buf + sizeof (long) - size);
- else
- collect_register (regno, buf);
-}
-
-static void
-ppc_supply_ptrace_register (int regno, const char *buf)
-{
- int size = register_size (regno);
- if (size < sizeof (long))
- supply_register (regno, buf + sizeof (long) - size);
- else
- supply_register (regno, buf);
-}
-
-static CORE_ADDR
-ppc_get_pc (void)
-{
- unsigned long pc;
-
- collect_register_by_name ("pc", &pc);
- return (CORE_ADDR) pc;
-}
-
-static void
-ppc_set_pc (CORE_ADDR pc)
-{
- unsigned long newpc = pc;
-
- supply_register_by_name ("pc", &newpc);
-}
-
-/* Correct in either endianness.
- This instruction is "twge r2, r2", which GDB uses as a software
- breakpoint. */
-static const unsigned int ppc_breakpoint = 0x7d821008;
-#define ppc_breakpoint_len 4
-
-static int
-ppc_breakpoint_at (CORE_ADDR where)
-{
- unsigned int insn;
-
- (*the_target->read_memory) (where, (unsigned char *) &insn, 4);
- if (insn == ppc_breakpoint)
- return 1;
- /* If necessary, recognize more trap instructions here. GDB only uses the
- one. */
- return 0;
-}
-
-/* Provide only a fill function for the general register set. ps_lgetregs
- will use this for NPTL support. */
-
-static void ppc_fill_gregset (void *buf)
-{
- int i;
-
- for (i = 0; i < 32; i++)
- collect_register (i, (char *) buf + ppc_regmap[i]);
-
- for (i = 64; i < 70; i++)
- collect_register (i, (char *) buf + ppc_regmap[i]);
-}
-
-#ifdef __ALTIVEC__
-
-#ifndef PTRACE_GETVRREGS
-#define PTRACE_GETVRREGS 18
-#define PTRACE_SETVRREGS 19
-#endif
-
-#define SIZEOF_VRREGS 33*16+4
-
-static void
-ppc_fill_vrregset (void *buf)
-{
- int i, base;
- char *regset = buf;
-
- base = find_regno ("vr0");
- for (i = 0; i < 32; i++)
- collect_register (base + i, ®set[i * 16]);
-
- collect_register_by_name ("vscr", ®set[32 * 16 + 12]);
- collect_register_by_name ("vrsave", ®set[33 * 16]);
-}
-
-static void
-ppc_store_vrregset (const void *buf)
-{
- int i, base;
- const char *regset = buf;
-
- base = find_regno ("vr0");
- for (i = 0; i < 32; i++)
- supply_register (base + i, ®set[i * 16]);
-
- supply_register_by_name ("vscr", ®set[32 * 16 + 12]);
- supply_register_by_name ("vrsave", ®set[33 * 16]);
-}
-
-#endif /* __ALTIVEC__ */
-
-struct regset_info target_regsets[] = {
- /* List the extra register sets before GENERAL_REGS. That way we will
- fetch them every time, but still fall back to PTRACE_PEEKUSER for the
- general registers. Some kernels support these, but not the newer
- PPC_PTRACE_GETREGS. */
-#ifdef __ALTIVEC__
- { PTRACE_GETVRREGS, PTRACE_SETVRREGS, SIZEOF_VRREGS, EXTENDED_REGS,
- ppc_fill_vrregset, ppc_store_vrregset },
-#endif
- { 0, 0, 0, GENERAL_REGS, ppc_fill_gregset, NULL },
- { 0, 0, -1, -1, NULL, NULL }
-};
-
-struct linux_target_ops the_low_target = {
-#ifdef __ALTIVEC__
- init_registers_powerpc_64,
-#else
- init_registers_ppc64,
-#endif
- ppc_num_regs,
- ppc_regmap,
- ppc_cannot_fetch_register,
- ppc_cannot_store_register,
- ppc_get_pc,
- ppc_set_pc,
- (const unsigned char *) &ppc_breakpoint,
- ppc_breakpoint_len,
- NULL,
- 0,
- ppc_breakpoint_at,
- NULL,
- NULL,
- NULL,
- NULL,
- ppc_collect_ptrace_register,
- ppc_supply_ptrace_register,
-};
projects / binutils-gdb.git / commitdiff