diff options
author | Jason Thorpe <thorpej@netbsd.org> | 2002-05-08 16:18:41 +0000 |
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committer | Jason Thorpe <thorpej@netbsd.org> | 2002-05-08 16:18:41 +0000 |
commit | 4015edd13a181ea7133d2f849a49ae94fafe775f (patch) | |
tree | 2494ed7139232ac46676775b0437129076554b41 /gdb/sh-nbsd-tdep.c | |
parent | 0e2bd21956791f9a638251d3364c8fc4e4bdeb85 (diff) | |
download | binutils-gdb-4015edd13a181ea7133d2f849a49ae94fafe775f.tar.gz |
* sh-nbsd-nat.c: Rename to...
* shnbsd-nat.c: ...this.
* sh-nbsd-tdep.c: Rename to...
* shnbsd-tdep.c: ...this.
* sh-nbsd-tdep.h: Rename to...
* shnbsd-tdep.h: ...this.
* config/sh/nbsd.mh: Use shnbsd-nat.o.
* config/sh/nbsd.mt: Use shnbsd-tdep.o.
Diffstat (limited to 'gdb/sh-nbsd-tdep.c')
-rw-r--r-- | gdb/sh-nbsd-tdep.c | 235 |
1 files changed, 0 insertions, 235 deletions
diff --git a/gdb/sh-nbsd-tdep.c b/gdb/sh-nbsd-tdep.c deleted file mode 100644 index 512162e3894..00000000000 --- a/gdb/sh-nbsd-tdep.c +++ /dev/null @@ -1,235 +0,0 @@ -/* Target-dependent code for SuperH running NetBSD, for GDB. - Copyright 2002 Free Software Foundation, Inc. - Contributed by Wasabi Systems, 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 - (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, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include "defs.h" -#include "gdbcore.h" -#include "regcache.h" -#include "value.h" -#include "solib-svr4.h" - -#include "sh-nbsd-tdep.h" - -/* Convert an r0-r15 register number into an offset into a ptrace - register structure. */ -static const int regmap[] = -{ - (20 * 4), /* r0 */ - (19 * 4), /* r1 */ - (18 * 4), /* r2 */ - (17 * 4), /* r3 */ - (16 * 4), /* r4 */ - (15 * 4), /* r5 */ - (14 * 4), /* r6 */ - (13 * 4), /* r7 */ - (12 * 4), /* r8 */ - (11 * 4), /* r9 */ - (10 * 4), /* r10 */ - ( 9 * 4), /* r11 */ - ( 8 * 4), /* r12 */ - ( 7 * 4), /* r13 */ - ( 6 * 4), /* r14 */ - ( 5 * 4), /* r15 */ -}; - -#define SIZEOF_STRUCT_REG (21 * 4) - -void -sh_nbsd_supply_registers (char *regs) -{ - int regno; - - for (regno = R0_REGNUM; regno <= (R0_REGNUM + 15); regno++) - supply_register (regno, regs + regmap[regno - R0_REGNUM]); - - supply_register (PC_REGNUM, regs + (0 * 4)); - supply_register (SR_REGNUM, regs + (1 * 4)); - supply_register (PR_REGNUM, regs + (2 * 4)); - supply_register (MACH_REGNUM, regs + (3 * 4)); - supply_register (MACL_REGNUM, regs + (4 * 4)); -} - -void -sh_nbsd_supply_register (char *regs, int regno) -{ - if (regno == -1) - sh_nbsd_supply_registers (regs); - - if (regno == PC_REGNUM) - supply_register (PC_REGNUM, regs + (0 * 4)); - else if (regno == SR_REGNUM) - supply_register (SR_REGNUM, regs + (1 * 4)); - else if (regno == PR_REGNUM) - supply_register (PR_REGNUM, regs + (2 * 4)); - else if (regno == MACH_REGNUM) - supply_register (MACH_REGNUM, regs + (3 * 4)); - else if (regno == MACL_REGNUM) - supply_register (MACL_REGNUM, regs + (4 * 4)); - else if (regno >= R0_REGNUM && regno <= (R0_REGNUM + 15)) - supply_register (regno, regs + regmap[regno - R0_REGNUM]); -} - -void -sh_nbsd_fill_registers (char *regs) -{ - int regno; - - for (regno = R0_REGNUM; regno <= (R0_REGNUM + 15); regno++) - regcache_collect (regno, regs + regmap[regno - R0_REGNUM]); - - regcache_collect (PC_REGNUM, regs + (0 * 4)); - regcache_collect (SR_REGNUM, regs + (1 * 4)); - regcache_collect (PR_REGNUM, regs + (2 * 4)); - regcache_collect (MACH_REGNUM, regs + (3 * 4)); - regcache_collect (MACL_REGNUM, regs + (4 * 4)); -} - -void -sh_nbsd_fill_register (char *regs, int regno) -{ - if (regno == -1) - sh_nbsd_fill_registers (regs); - - if (regno == PC_REGNUM) - regcache_collect (PC_REGNUM, regs + (0 * 4)); - else if (regno == SR_REGNUM) - regcache_collect (SR_REGNUM, regs + (1 * 4)); - else if (regno == PR_REGNUM) - regcache_collect (PR_REGNUM, regs + (2 * 4)); - else if (regno == MACH_REGNUM) - regcache_collect (MACH_REGNUM, regs + (3 * 4)); - else if (regno == MACL_REGNUM) - regcache_collect (MACL_REGNUM, regs + (4 * 4)); - else if (regno >= R0_REGNUM && regno <= (R0_REGNUM + 15)) - regcache_collect (regno, regs + regmap[regno - R0_REGNUM]); -} - -/* Fetch (and possibly build) an appropriate link_map_offsets - structure for NetBSD/sh targets using the struct offsets - defined in <link.h> (but without actual reference to that file). - - This makes it possible to access NetBSD/sh shared libraries - from a GDB that was not built on a NetBSD/sh host (for cross - debugging). */ - -static struct link_map_offsets * -sh_nbsd_solib_svr4_fetch_link_map_offsets (void) -{ - static struct link_map_offsets lmo; - static struct link_map_offsets *lmp = NULL; - - if (lmp == NULL) - { - lmp = &lmo; - - lmo.r_debug_size = 16; - - lmo.r_map_offset = 4; - lmo.r_map_size = 4; - - lmo.link_map_size = 20; - - lmo.l_addr_offset = 0; - lmo.l_addr_size = 4; - - lmo.l_name_offset = 4; - lmo.l_name_size = 4; - - lmo.l_next_offset = 12; - lmo.l_next_size = 4; - - lmo.l_prev_offset = 16; - lmo.l_prev_size = 4; - } - - return lmp; -} - -static void -fetch_core_registers (char *core_reg_sect, unsigned core_reg_size, - int which, CORE_ADDR ignore) -{ - /* We get everything from the .reg section. */ - if (which != 0) - return; - - if (core_reg_size < SIZEOF_STRUCT_REG) - { - warning ("Wrong size register set in core file."); - return; - } - - /* Integer registers. */ - sh_nbsd_supply_registers (core_reg_sect); -} - -static void -fetch_elfcore_registers (char *core_reg_sect, unsigned core_reg_size, - int which, CORE_ADDR ignore) -{ - switch (which) - { - case 0: /* Integer registers. */ - if (core_reg_size != SIZEOF_STRUCT_REG) - warning ("Wrong size register set in core file."); - else - sh_nbsd_supply_registers (core_reg_sect); - break; - - default: - /* Don't know what kind of register request this is; just ignore it. */ - break; - } -} - -static struct core_fns sh_nbsd_core_fns = -{ - bfd_target_unknown_flavour, /* core_flavour */ - default_check_format, /* check_format */ - default_core_sniffer, /* core_sniffer */ - fetch_core_registers, /* core_read_registers */ - NULL /* next */ -}; - -static struct core_fns sh_nbsd_elfcore_fns = -{ - bfd_target_elf_flavour, /* core_flavour */ - default_check_format, /* check_format */ - default_core_sniffer, /* core_sniffer */ - fetch_elfcore_registers, /* core_read_registers */ - NULL /* next */ -}; - -static void -sh_nbsd_init_abi (struct gdbarch_info info, - struct gdbarch *gdbarch) -{ - set_solib_svr4_fetch_link_map_offsets (gdbarch, - sh_nbsd_solib_svr4_fetch_link_map_offsets); -} - -void -_initialize_sh_nbsd_tdep (void) -{ - add_core_fns (&sh_nbsd_core_fns); - add_core_fns (&sh_nbsd_elfcore_fns); - - sh_gdbarch_register_os_abi (SH_OSABI_NETBSD_ELF, sh_nbsd_init_abi); -} |