X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Falpha-nat.c;h=900a5861062926f0a343076a5a2b143e2db5d2dc;hb=0270a750ba588a8ad521e68be851772bac9c44f1;hp=e584ab473d7c01a469b766ec6202b867512043ec;hpb=197e01b6dcd118b70ed3621b62b2ff3fa929d50f;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/alpha-nat.c b/gdb/alpha-nat.c index e584ab473d..900a586106 100644 --- a/gdb/alpha-nat.c +++ b/gdb/alpha-nat.c @@ -1,12 +1,12 @@ /* Low level Alpha interface, for GDB when running native. - Copyright (C) 1993, 1995, 1996, 1998, 1999, 2000, 2001, 2003 - Free Software Foundation, Inc. + Copyright (C) 1993, 1995-1996, 1998-2001, 2003, 2007-2012 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 2 of the License, or + 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, @@ -15,35 +15,25 @@ 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., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. */ + along with this program. If not, see . */ #include "defs.h" #include "gdb_string.h" #include "inferior.h" #include "gdbcore.h" #include "target.h" +#include "procfs.h" #include "regcache.h" #include "alpha-tdep.h" #include -#ifdef __linux__ -#include -#include -#else #include -#endif #include -/* Prototypes for local functions. */ - -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. + them into REGCACHE. CORE_REG_SECT points to the register values themselves, read into memory. CORE_REG_SIZE is the size of that area. @@ -52,13 +42,14 @@ static void fetch_elf_core_registers (char *, unsigned, int, CORE_ADDR); 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. - */ + Original upage address X is at location core_reg_sect+x+reg_addr. */ static void -fetch_osf_core_registers (char *core_reg_sect, unsigned core_reg_size, +fetch_osf_core_registers (struct regcache *regcache, + char *core_reg_sect, unsigned core_reg_size, int which, CORE_ADDR reg_addr) { + struct gdbarch *gdbarch = get_regcache_arch (regcache); int regno; int addr; int bad_reg = -1; @@ -76,10 +67,14 @@ fetch_osf_core_registers (char *core_reg_sect, unsigned core_reg_size, 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, + 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, -1 #else #define EFL (EF_SIZE / 8) @@ -87,28 +82,41 @@ fetch_osf_core_registers (char *core_reg_sect, unsigned core_reg_size, 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, + 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, -1 #endif }; for (regno = 0; regno < ALPHA_NUM_REGS; regno++) { - if (CANNOT_FETCH_REGISTER (regno)) + if (gdbarch_cannot_fetch_register (gdbarch, regno)) + { + regcache_raw_supply (regcache, regno, NULL); + continue; + } + + if (regno == ALPHA_ZERO_REGNUM) { - regcache_raw_supply (current_regcache, regno, NULL); + const gdb_byte zero[8] = { 0 }; + + regcache_raw_supply (regcache, regno, zero); continue; } + addr = 8 * core_reg_mapping[regno]; if (addr < 0 || addr >= core_reg_size) { /* ??? UNIQUE is a new addition. Don't generate an error. */ if (regno == ALPHA_UNIQUE_REGNUM) { - regcache_raw_supply (current_regcache, regno, NULL); + regcache_raw_supply (regcache, regno, NULL); continue; } if (bad_reg < 0) @@ -116,133 +124,67 @@ fetch_osf_core_registers (char *core_reg_sect, unsigned core_reg_size, } else { - regcache_raw_supply (current_regcache, regno, core_reg_sect + addr); + regcache_raw_supply (regcache, regno, core_reg_sect + addr); } } if (bad_reg >= 0) { - error (_("Register %s not found in core file."), REGISTER_NAME (bad_reg)); - } -} - -static void -fetch_elf_core_registers (char *core_reg_sect, unsigned core_reg_size, - int which, CORE_ADDR reg_addr) -{ - if (core_reg_size < 32 * 8) - { - error (_("Core file register section too small (%u bytes)."), core_reg_size); - return; - } - - switch (which) - { - case 0: /* integer registers */ - /* PC is in slot 32; UNIQUE is in slot 33, if present. */ - alpha_supply_int_regs (-1, core_reg_sect, core_reg_sect + 31*8, - (core_reg_size >= 33 * 8 - ? core_reg_sect + 32*8 : NULL)); - break; - - case 2: /* floating-point registers */ - /* FPCR is in slot 32. */ - alpha_supply_fp_regs (-1, core_reg_sect, core_reg_sect + 31*8); - break; - - default: - break; + error (_("Register %s not found in core file."), + gdbarch_register_name (gdbarch, bad_reg)); } } -/* Map gdb internal register number to a ptrace ``address''. - These ``addresses'' are defined in , with - the exception of ALPHA_UNIQUE_PTRACE_ADDR. */ - -#ifndef ALPHA_UNIQUE_PTRACE_ADDR -#define ALPHA_UNIQUE_PTRACE_ADDR 0 -#endif - -CORE_ADDR -register_addr (int regno, CORE_ADDR blockend) -{ - if (regno == PC_REGNUM) - return PC; - if (regno == ALPHA_UNIQUE_REGNUM) - return ALPHA_UNIQUE_PTRACE_ADDR; - if (regno < FP0_REGNUM) - return GPR_BASE + regno; - else - return FPR_BASE + regno - FP0_REGNUM; -} - -int -kernel_u_size (void) -{ - return (sizeof (struct user)); -} - -#if defined(USE_PROC_FS) || defined(HAVE_GREGSET_T) #include - -/* Prototypes for supply_gregset etc. */ +/* Prototypes for supply_gregset etc. */ #include "gregset.h" -/* Locate the UNIQUE value within the gregset_t. */ -#ifndef ALPHA_REGSET_UNIQUE -#define ALPHA_REGSET_UNIQUE(ptr) NULL -#endif - -/* - * See the comment in m68k-tdep.c regarding the utility of these functions. - */ +/* See the comment in m68k-tdep.c regarding the utility of these + functions. */ void -supply_gregset (gdb_gregset_t *gregsetp) +supply_gregset (struct regcache *regcache, const gdb_gregset_t *gregsetp) { - long *regp = ALPHA_REGSET_BASE (gregsetp); - void *unique = ALPHA_REGSET_UNIQUE (gregsetp); + const long *regp = gregsetp->regs; /* PC is in slot 32. */ - alpha_supply_int_regs (-1, regp, regp + 31, unique); + alpha_supply_int_regs (regcache, -1, regp, regp + 31, NULL); } void -fill_gregset (gdb_gregset_t *gregsetp, int regno) +fill_gregset (const struct regcache *regcache, + gdb_gregset_t *gregsetp, int regno) { - long *regp = ALPHA_REGSET_BASE (gregsetp); - void *unique = ALPHA_REGSET_UNIQUE (gregsetp); + long *regp = gregsetp->regs; /* PC is in slot 32. */ - alpha_fill_int_regs (regno, regp, regp + 31, unique); + alpha_fill_int_regs (regcache, regno, regp, regp + 31, NULL); } -/* - * Now we do the same thing for floating-point registers. - * Again, see the comments in m68k-tdep.c. - */ +/* Now we do the same thing for floating-point registers. + Again, see the comments in m68k-tdep.c. */ void -supply_fpregset (gdb_fpregset_t *fpregsetp) +supply_fpregset (struct regcache *regcache, const gdb_fpregset_t *fpregsetp) { - long *regp = ALPHA_REGSET_BASE (fpregsetp); + const long *regp = fpregsetp->regs; /* FPCR is in slot 32. */ - alpha_supply_fp_regs (-1, regp, regp + 31); + alpha_supply_fp_regs (regcache, -1, regp, regp + 31); } void -fill_fpregset (gdb_fpregset_t *fpregsetp, int regno) +fill_fpregset (const struct regcache *regcache, + gdb_fpregset_t *fpregsetp, int regno) { - long *regp = ALPHA_REGSET_BASE (fpregsetp); + long *regp = fpregsetp->regs; /* FPCR is in slot 32. */ - alpha_fill_fp_regs (regno, regp, regp + 31); + alpha_fill_fp_regs (regcache, regno, regp, regp + 31); } -#endif -/* Register that we are able to handle alpha core file formats. */ +/* Register that we are able to handle alpha core file formats. */ static struct core_fns alpha_osf_core_fns = { @@ -255,18 +197,16 @@ static struct core_fns alpha_osf_core_fns = NULL /* next */ }; -static struct core_fns alpha_elf_core_fns = -{ - 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 */ -}; +/* Provide a prototype to silence -Wmissing-prototypes. */ +extern initialize_file_ftype _initialize_alpha_nat; void -_initialize_core_alpha (void) +_initialize_alpha_nat (void) { + struct target_ops *t; + + t = procfs_target (); + add_target (t); + deprecated_add_core_fns (&alpha_osf_core_fns); - deprecated_add_core_fns (&alpha_elf_core_fns); }