/* Low level Alpha interface, for GDB when running native.
- Copyright 1993, 1995, 1996, 1998 Free Software Foundation, Inc.
+ Copyright 1993, 1995, 1996, 1998, 1999, 2000, 2001
+ Free Software Foundation, Inc.
-This file is part of GDB.
+ 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 2 of the License, or
-(at your option) any later version.
+ 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 2 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.
+ 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, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "inferior.h"
#include "gdbcore.h"
#include "target.h"
+#include "regcache.h"
+
+#include "alpha-tdep.h"
+
#include <sys/ptrace.h>
#ifdef __linux__
-#
include <alpha/ptrace.h>
+#include <asm/reg.h>
+#include <alpha/ptrace.h>
#else
-# include <machine/reg.h>
+#include <alpha/coreregs.h>
#endif
#include <sys/user.h>
/* Prototypes for local functions. */
-static void fetch_osf_core_registers PARAMS ((char *,
- unsigned, int, CORE_ADDR));
-static void fetch_elf_core_registers PARAMS ((char *,
- unsigned, int, CORE_ADDR));
-
-/* Size of elements in jmpbuf */
-
-#define JB_ELEMENT_SIZE 8
-
-/* The definition for JB_PC in machine/reg.h is wrong.
- And we can't get at the correct definition in setjmp.h as it is
- not always available (eg. if _POSIX_SOURCE is defined which is the
- default). As the defintion is unlikely to change (see comment
- in <setjmp.h>, define the correct value here. */
-
-#undef JB_PC
-#define JB_PC 2
-
-/* Figure out where the longjmp will land.
- We expect the first arg to be a pointer to the jmp_buf structure from which
- we extract the pc (JB_PC) that we will land at. The pc is copied into PC.
- This routine returns true on success. */
-
-int
-get_longjmp_target (pc)
- CORE_ADDR *pc;
-{
- CORE_ADDR jb_addr;
- char raw_buffer[MAX_REGISTER_RAW_SIZE];
-
- jb_addr = read_register(A0_REGNUM);
-
- if (target_read_memory(jb_addr + JB_PC * JB_ELEMENT_SIZE, raw_buffer,
- sizeof(CORE_ADDR)))
- return 0;
-
- *pc = extract_address (raw_buffer, sizeof(CORE_ADDR));
- return 1;
-}
+static void fetch_osf_core_registers (char *, unsigned, int, CORE_ADDR);
+static void fetch_elf_core_registers (char *, unsigned, int, CORE_ADDR);
/* Extract the register values out of the core file and store
them where `read_register' will find them.
CORE_REG_SECT points to the register values themselves, read into memory.
CORE_REG_SIZE is the size of that area.
WHICH says which set of registers we are handling (0 = int, 2 = float
- on machines where they are discontiguous).
+ on machines where they are discontiguous).
REG_ADDR is the offset from u.u_ar0 to the register values relative to
- core_reg_sect. This is used with old-fashioned core files to
- locate the registers in a large upage-plus-stack ".reg" section.
- Original upage address X is at location core_reg_sect+x+reg_addr.
+ core_reg_sect. This is used with old-fashioned core files to
+ locate the registers in a large upage-plus-stack ".reg" section.
+ Original upage address X is at location core_reg_sect+x+reg_addr.
*/
static void
-fetch_osf_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
- char *core_reg_sect;
- unsigned core_reg_size;
- int which;
- CORE_ADDR reg_addr;
+fetch_osf_core_registers (char *core_reg_sect, unsigned core_reg_size,
+ int which, CORE_ADDR reg_addr)
{
register int regno;
register int addr;
int bad_reg = -1;
- /* Table to map a gdb regnum to an index in the core register section.
- The floating point register values are garbage in OSF/1.2 core files. */
- static int core_reg_mapping[NUM_REGS] =
+ /* Table to map a gdb regnum to an index in the core register
+ section. The floating point register values are garbage in
+ OSF/1.2 core files. OSF5 uses different names for the register
+ enum list, need to handle two cases. The actual values are the
+ same. */
+ static int core_reg_mapping[ALPHA_NUM_REGS] =
{
+#ifdef NCF_REGS
+#define EFL NCF_REGS
+ CF_V0, CF_T0, CF_T1, CF_T2, CF_T3, CF_T4, CF_T5, CF_T6,
+ CF_T7, CF_S0, CF_S1, CF_S2, CF_S3, CF_S4, CF_S5, CF_S6,
+ CF_A0, CF_A1, CF_A2, CF_A3, CF_A4, CF_A5, CF_T8, CF_T9,
+ CF_T10, CF_T11, CF_RA, CF_T12, CF_AT, CF_GP, CF_SP, -1,
+ EFL + 0, EFL + 1, EFL + 2, EFL + 3, EFL + 4, EFL + 5, EFL + 6, EFL + 7,
+ EFL + 8, EFL + 9, EFL + 10, EFL + 11, EFL + 12, EFL + 13, EFL + 14, EFL + 15,
+ EFL + 16, EFL + 17, EFL + 18, EFL + 19, EFL + 20, EFL + 21, EFL + 22, EFL + 23,
+ EFL + 24, EFL + 25, EFL + 26, EFL + 27, EFL + 28, EFL + 29, EFL + 30, EFL + 31,
+ CF_PC, -1
+#else
#define EFL (EF_SIZE / 8)
- EF_V0, EF_T0, EF_T1, EF_T2, EF_T3, EF_T4, EF_T5, EF_T6,
- EF_T7, EF_S0, EF_S1, EF_S2, EF_S3, EF_S4, EF_S5, EF_S6,
- EF_A0, EF_A1, EF_A2, EF_A3, EF_A4, EF_A5, EF_T8, EF_T9,
- EF_T10, EF_T11, EF_RA, EF_T12, EF_AT, EF_GP, EF_SP, -1,
- EFL+0, EFL+1, EFL+2, EFL+3, EFL+4, EFL+5, EFL+6, EFL+7,
- EFL+8, EFL+9, EFL+10, EFL+11, EFL+12, EFL+13, EFL+14, EFL+15,
- EFL+16, EFL+17, EFL+18, EFL+19, EFL+20, EFL+21, EFL+22, EFL+23,
- EFL+24, EFL+25, EFL+26, EFL+27, EFL+28, EFL+29, EFL+30, EFL+31,
- EF_PC, -1
+ EF_V0, EF_T0, EF_T1, EF_T2, EF_T3, EF_T4, EF_T5, EF_T6,
+ EF_T7, EF_S0, EF_S1, EF_S2, EF_S3, EF_S4, EF_S5, EF_S6,
+ EF_A0, EF_A1, EF_A2, EF_A3, EF_A4, EF_A5, EF_T8, EF_T9,
+ EF_T10, EF_T11, EF_RA, EF_T12, EF_AT, EF_GP, EF_SP, -1,
+ EFL + 0, EFL + 1, EFL + 2, EFL + 3, EFL + 4, EFL + 5, EFL + 6, EFL + 7,
+ EFL + 8, EFL + 9, EFL + 10, EFL + 11, EFL + 12, EFL + 13, EFL + 14, EFL + 15,
+ EFL + 16, EFL + 17, EFL + 18, EFL + 19, EFL + 20, EFL + 21, EFL + 22, EFL + 23,
+ EFL + 24, EFL + 25, EFL + 26, EFL + 27, EFL + 28, EFL + 29, EFL + 30, EFL + 31,
+ EF_PC, -1
+#endif
};
- static char zerobuf[MAX_REGISTER_RAW_SIZE] = {0};
+ static char zerobuf[ALPHA_MAX_REGISTER_RAW_SIZE] =
+ {0};
for (regno = 0; regno < NUM_REGS; regno++)
{
}
static void
-fetch_elf_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
- char *core_reg_sect;
- unsigned core_reg_size;
- int which;
- CORE_ADDR reg_addr;
+fetch_elf_core_registers (char *core_reg_sect, unsigned core_reg_size,
+ int which, CORE_ADDR reg_addr)
{
- if (core_reg_size < 32*8)
+ if (core_reg_size < 32 * 8)
{
error ("Core file register section too small (%u bytes).", core_reg_size);
return;
if (which == 2)
{
/* The FPU Registers. */
- memcpy (®isters[REGISTER_BYTE (FP0_REGNUM)], core_reg_sect, 31*8);
- memset (®isters[REGISTER_BYTE (FP0_REGNUM+31)], 0, 8);
- memset (®ister_valid[FP0_REGNUM], 1, 32);
+ memcpy (®isters[REGISTER_BYTE (FP0_REGNUM)], core_reg_sect, 31 * 8);
+ memset (®isters[REGISTER_BYTE (FP0_REGNUM + 31)], 0, 8);
+ memset (&deprecated_register_valid[FP0_REGNUM], 1, 32);
}
else
{
/* The General Registers. */
- memcpy (®isters[REGISTER_BYTE (V0_REGNUM)], core_reg_sect, 31*8);
- memcpy (®isters[REGISTER_BYTE (PC_REGNUM)], core_reg_sect+31*8, 8);
- memset (®isters[REGISTER_BYTE (ZERO_REGNUM)], 0, 8);
- memset (®ister_valid[V0_REGNUM], 1, 32);
- register_valid[PC_REGNUM] = 1;
+ memcpy (®isters[REGISTER_BYTE (ALPHA_V0_REGNUM)], core_reg_sect,
+ 31 * 8);
+ memcpy (®isters[REGISTER_BYTE (PC_REGNUM)], core_reg_sect + 31 * 8, 8);
+ memset (®isters[REGISTER_BYTE (ALPHA_ZERO_REGNUM)], 0, 8);
+ memset (&deprecated_register_valid[ALPHA_V0_REGNUM], 1, 32);
+ deprecated_register_valid[PC_REGNUM] = 1;
}
}
/* Return the ptrace ``address'' of register REGNO. */
CORE_ADDR
-register_addr (regno, blockend)
- int regno;
- CORE_ADDR blockend;
+register_addr (int regno, CORE_ADDR blockend)
{
return REGISTER_PTRACE_ADDR (regno);
}
int
-kernel_u_size ()
+kernel_u_size (void)
{
return (sizeof (struct user));
}
#if defined(USE_PROC_FS) || defined(HAVE_GREGSET_T)
#include <sys/procfs.h>
+/* Prototypes for supply_gregset etc. */
+#include "gregset.h"
+
/*
* See the comment in m68k-tdep.c regarding the utility of these functions.
*/
-void
-supply_gregset (gregsetp)
- gregset_t *gregsetp;
+void
+supply_gregset (gdb_gregset_t *gregsetp)
{
register int regi;
register long *regp = ALPHA_REGSET_BASE (gregsetp);
- static char zerobuf[MAX_REGISTER_RAW_SIZE] = {0};
+ static char zerobuf[ALPHA_MAX_REGISTER_RAW_SIZE] =
+ {0};
for (regi = 0; regi < 31; regi++)
- supply_register (regi, (char *)(regp + regi));
+ supply_register (regi, (char *) (regp + regi));
- supply_register (PC_REGNUM, (char *)(regp + 31));
+ supply_register (PC_REGNUM, (char *) (regp + 31));
/* Fill inaccessible registers with zero. */
- supply_register (ZERO_REGNUM, zerobuf);
+ supply_register (ALPHA_ZERO_REGNUM, zerobuf);
supply_register (FP_REGNUM, zerobuf);
}
void
-fill_gregset (gregsetp, regno)
- gregset_t *gregsetp;
- int regno;
+fill_gregset (gdb_gregset_t *gregsetp, int regno)
{
int regi;
register long *regp = ALPHA_REGSET_BASE (gregsetp);
*/
void
-supply_fpregset (fpregsetp)
- fpregset_t *fpregsetp;
+supply_fpregset (gdb_fpregset_t *fpregsetp)
{
register int regi;
register long *regp = ALPHA_REGSET_BASE (fpregsetp);
for (regi = 0; regi < 32; regi++)
- supply_register (regi + FP0_REGNUM, (char *)(regp + regi));
+ supply_register (regi + FP0_REGNUM, (char *) (regp + regi));
}
void
-fill_fpregset (fpregsetp, regno)
- fpregset_t *fpregsetp;
- int regno;
+fill_fpregset (gdb_fpregset_t *fpregsetp, int regno)
{
int regi;
register long *regp = ALPHA_REGSET_BASE (fpregsetp);
}
}
#endif
-
\f
+
/* Register that we are able to handle alpha core file formats. */
static struct core_fns alpha_osf_core_fns =
{
/* This really is bfd_target_unknown_flavour. */
- bfd_target_unknown_flavour,
- fetch_osf_core_registers,
- NULL
+ bfd_target_unknown_flavour, /* core_flavour */
+ default_check_format, /* check_format */
+ default_core_sniffer, /* core_sniffer */
+ fetch_osf_core_registers, /* core_read_registers */
+ NULL /* next */
};
static struct core_fns alpha_elf_core_fns =
{
- bfd_target_elf_flavour,
- fetch_elf_core_registers,
- NULL
+ bfd_target_elf_flavour, /* core_flavour */
+ default_check_format, /* check_format */
+ default_core_sniffer, /* core_sniffer */
+ fetch_elf_core_registers, /* core_read_registers */
+ NULL /* next */
};
void
-_initialize_core_alpha ()
+_initialize_core_alpha (void)
{
add_core_fns (&alpha_osf_core_fns);
add_core_fns (&alpha_elf_core_fns);
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