mirror of
https://sourceware.org/git/binutils-gdb.git
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28439f5ef7
(core_file_thread_alive): Rename to... (core_thread_alive): ... this. (core_pid_to_str): Try gdbarch_core_pid_to_str first. (init_core_ops): Adjust. (coreops_suppress_target): Delete. (_initialize_corelow): Unconditionally add core_ops. * procfs.c: Include "inf-child.h". (procfs_ops): Delete. (init_procfs_ops): Delete. Reimplement as... (procfs_target): ... this, inheriting from inf-child. (procfs_attach, procfs_detach, procfs_fetch_registers): Adjust. (procfs_prepare_to_store): Delete. (procfs_store_registers, procfs_resume): Adjust. (procfs_open): Delete. (procfs_suppress_run): Delete. (procfs_can_run): Delete. (procfs_mourn_inferior): Adjust. (procfs_init_inferior): Add target_ops parameter. Adjust. (procfs_create_inferior): Don't pass procfs_init_inferior to fork_inferior. Instead call it after fork_inferior returns. (procfs_find_new_threads): Adjust. (_initialize_procfs): Adjust to use procfs_target instead of init_procfs_ops. * sol-thread.c (orig_core_ops, sol_core_ops): Delete. (lwp_to_thread): Use target_thread_alive. (sol_thread_open): Delete. (sol_thread_attach): Delete. (sol_thread_detach, sol_thread_resume, sol_thread_wait) (sol_thread_fetch_registers, sol_thread_store_registers): Adjust to use find_target_beneath. (sol_thread_prepare_to_store, sol_thread_xfer_memory): Delete. (sol_thread_xfer_partial): Adjust to use find_target_beneath. (sol_thread_files_info, sol_thread_kill_inferior): Delete. (check_for_thread_db): New. (sol_thread_notice_signals, sol_thread_create_inferior): Delete. (sol_thread_new_objfile): Call check_for_thread_db. (sol_thread_mourn_inferior): Adjust to use find_target_beneath. (sol_thread_can_run): Delete. (sol_thread_alive): Adjust to use find_target_beneath. (sol_thread_stop): Delete. (rw_common): Use target_write_memory or target_read_memory. (ps_lgetregs, ps_lgetfpregs): Use target_fetch_registers. (ps_lsetregs, ps_lsetfpregs): Use target_store_registers. (solaris_pid_to_str): Remove check for libthread_db initialization failing. (sol_find_new_threads): Remove check for libthread_db initialization failing, or for an invalid inferior_ptid. Adjust to use find_target_beneath. (sol_core_open, sol_core_close, sol_core_detach, sol_core_files_info, sol_find_memory_regions, sol_make_note_section, ignore): Delete. (init_sol_thread_ops): Make it a thread_stratum target. Remove unneeded callback settings. (init_sol_core_ops): Delete. (_initialize_sol_thread): No longer call init_sol_core_ops, set procfs_suppress_run, or hack with core_ops. * target.h (struct target_ops): Add a target_ops * parameter to to_resume, to_fetch_registers, to_store_registers, to_thread_alive and to_find_new_threads. (target_fetch_registers, target_store_registers) (target_thread_alive, target_find_new_threads): Redeclare as function. * target.c (update_current_target): Do not inherit or de_fault to_resume, to_fetch_registers, to_store_registers, to_thread_alive, to_find_new_threads. (target_resume): Adjust. (target_thread_alive, target_find_new_threads): New. (debug_to_resume, debug_to_fetch_registers): Delete. (target_fetch_registers): New. (debug_to_store_registers): Delete. (target_store_registers): New. (debug_to_thread_alive, debug_to_find_new_threads): Delete. (setup_target_debug): Adjust. * gdbcore.h (core_ops): Delete declaration. * inf-ptrace.c, linux-nat.c, remote.c, amd64-linux-nat.c, inf-child.c, linux-thread-db.c, bsd-uthread.c, inf-ttrace.c, i386-sol2-tdep.c, darwin-nat.c, gnu-nat.c, go32-nat.c, hpux-thread.c, i386-linux-nat.c, i386fbsd-nat.c, monitor.c, nto-procfs.c, remote-m32r-sdi.c, remote-mips.c, windows-nat.c, alphabsd-nat.c, amd64bsd-nat.c, arm-linux-nat.c, armnbsd-nat.c, bsd-kvm.c, hppa-hpux-nat.c, hppa-linux-nat.c, hppabsd-nat.c, hppanbsd-nat.c, i386-darwin-nat.c, i386bsd-nat.c, ia64-linux-nat.c, m32r-linux-nat.c, m68kbsd-nat.c, m68klinux-nat.c, m88kbsd-nat.c, mips-linux-nat.c, mips64obsd-nat.c, mipsnbsd-nat.c, ppc-linux-nat.c, ppcnbsd-nat.c, ppcobsd-nat.c, remote-sim.c, rs6000-nat.c, s390-nat.c, shnbsd-nat.c, sparc-nat.c, sparc-nat.h, spu-linux-nat.c, vaxbsd-nat.c, xtensa-linux-nat.c: Adjust to target_ops changes. * gdbarch.sh (core_pid_to_str): New gdbarch callback. * gdbarch.h, gdbarch.c: Regenerate. * sol2-tdep.c: Include "inferior.h". (sol2_core_pid_to_str): New. * sol2-tdep.h (sol2_core_pid_to_str): Declare. * amd64-sol2-tdep.c (amd64_sol2_init_abi): Set it. * sparc-sol2-tdep.c (sparc32_sol2_init_abi): Set it. * sparc64-sol2-tdep.c (sparc64_sol2_init_abi): Set it. * i386-sol2-tdep.c (i386_sol2_init_abi): Set it.
262 lines
6.7 KiB
C
262 lines
6.7 KiB
C
/* Native-dependent code for GNU/Linux m32r.
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Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009
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Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "inferior.h"
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#include "gdbcore.h"
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#include "regcache.h"
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#include "linux-nat.h"
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#include "target.h"
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#include "gdb_assert.h"
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#include "gdb_string.h"
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#include <sys/ptrace.h>
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#include <sys/user.h>
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#include <sys/procfs.h>
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/* Prototypes for supply_gregset etc. */
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#include "gregset.h"
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#include "m32r-tdep.h"
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/* Since EVB register is not available for native debug, we reduce
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the number of registers. */
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#define M32R_LINUX_NUM_REGS (M32R_NUM_REGS - 1)
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/* Mapping between the general-purpose registers in `struct user'
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format and GDB's register array layout. */
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static int regmap[] = {
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4, 5, 6, 7, 0, 1, 2, 8,
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9, 10, 11, 12, 13, 24, 25, 23,
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19, 19, 26, 23, 22, 20, 16, 15
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};
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#define PSW_REGMAP 19
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#define BBPSW_REGMAP 21
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#define SPU_REGMAP 23
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#define SPI_REGMAP 26
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/* Doee apply to the corresponding SET requests as well. */
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#define GETREGS_SUPPLIES(regno) (0 <= (regno) && (regno) <= M32R_LINUX_NUM_REGS)
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/* Transfering the general-purpose registers between GDB, inferiors
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and core files. */
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/* Fill GDB's register array with the general-purpose register values
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in *GREGSETP. */
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void
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supply_gregset (struct regcache *regcache, const elf_gregset_t * gregsetp)
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{
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const elf_greg_t *regp = (const elf_greg_t *) gregsetp;
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int i;
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unsigned long psw, bbpsw;
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psw = *(regp + PSW_REGMAP);
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bbpsw = *(regp + BBPSW_REGMAP);
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for (i = 0; i < M32R_LINUX_NUM_REGS; i++)
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{
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elf_greg_t regval;
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switch (i)
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{
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case PSW_REGNUM:
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regval = ((0x00c1 & bbpsw) << 8) | ((0xc100 & psw) >> 8);
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break;
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case CBR_REGNUM:
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regval = ((psw >> 8) & 1);
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break;
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default:
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regval = *(regp + regmap[i]);
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break;
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}
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if (i != M32R_SP_REGNUM)
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regcache_raw_supply (regcache, i, ®val);
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else if (psw & 0x8000)
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regcache_raw_supply (regcache, i, regp + SPU_REGMAP);
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else
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regcache_raw_supply (regcache, i, regp + SPI_REGMAP);
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}
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}
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/* Fetch all general-purpose registers from process/thread TID and
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store their values in GDB's register array. */
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static void
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fetch_regs (struct regcache *regcache, int tid)
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{
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elf_gregset_t regs;
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if (ptrace (PTRACE_GETREGS, tid, 0, (int) ®s) < 0)
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perror_with_name (_("Couldn't get registers"));
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supply_gregset (regcache, (const elf_gregset_t *) ®s);
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}
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/* Fill register REGNO (if it is a general-purpose register) in
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*GREGSETPS with the value in GDB's register array. If REGNO is -1,
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do this for all registers. */
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void
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fill_gregset (const struct regcache *regcache,
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elf_gregset_t * gregsetp, int regno)
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{
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elf_greg_t *regp = (elf_greg_t *) gregsetp;
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int i;
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unsigned long psw, bbpsw, tmp;
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psw = *(regp + PSW_REGMAP);
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bbpsw = *(regp + BBPSW_REGMAP);
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for (i = 0; i < M32R_LINUX_NUM_REGS; i++)
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{
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if (regno != -1 && regno != i)
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continue;
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if (i == CBR_REGNUM || i == PSW_REGNUM)
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continue;
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if (i == SPU_REGNUM || i == SPI_REGNUM)
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continue;
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if (i != M32R_SP_REGNUM)
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regcache_raw_collect (regcache, i, regp + regmap[i]);
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else if (psw & 0x8000)
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regcache_raw_collect (regcache, i, regp + SPU_REGMAP);
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else
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regcache_raw_collect (regcache, i, regp + SPI_REGMAP);
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}
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}
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/* Store all valid general-purpose registers in GDB's register array
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into the process/thread specified by TID. */
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static void
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store_regs (const struct regcache *regcache, int tid, int regno)
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{
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elf_gregset_t regs;
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if (ptrace (PTRACE_GETREGS, tid, 0, (int) ®s) < 0)
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perror_with_name (_("Couldn't get registers"));
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fill_gregset (regcache, ®s, regno);
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if (ptrace (PTRACE_SETREGS, tid, 0, (int) ®s) < 0)
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perror_with_name (_("Couldn't write registers"));
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}
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/* Transfering floating-point registers between GDB, inferiors and cores.
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Since M32R has no floating-point registers, these functions do nothing. */
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void
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supply_fpregset (struct regcache *regcache, const gdb_fpregset_t *fpregs)
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{
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}
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void
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fill_fpregset (const struct regcache *regcache,
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gdb_fpregset_t *fpregs, int regno)
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{
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}
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/* Transferring arbitrary registers between GDB and inferior. */
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/* Fetch register REGNO from the child process. If REGNO is -1, do
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this for all registers (including the floating point and SSE
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registers). */
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static void
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m32r_linux_fetch_inferior_registers (struct target_ops *ops,
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struct regcache *regcache, int regno)
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{
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int tid;
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/* GNU/Linux LWP ID's are process ID's. */
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tid = TIDGET (inferior_ptid);
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if (tid == 0)
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tid = PIDGET (inferior_ptid); /* Not a threaded program. */
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/* Use the PTRACE_GETREGS request whenever possible, since it
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transfers more registers in one system call, and we'll cache the
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results. */
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if (regno == -1 || GETREGS_SUPPLIES (regno))
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{
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fetch_regs (regcache, tid);
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return;
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}
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internal_error (__FILE__, __LINE__,
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_("Got request for bad register number %d."), regno);
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}
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/* Store register REGNO back into the child process. If REGNO is -1,
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do this for all registers (including the floating point and SSE
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registers). */
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static void
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m32r_linux_store_inferior_registers (struct target_ops *ops,
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struct regcache *regcache, int regno)
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{
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int tid;
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/* GNU/Linux LWP ID's are process ID's. */
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if ((tid = TIDGET (inferior_ptid)) == 0)
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tid = PIDGET (inferior_ptid); /* Not a threaded program. */
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/* Use the PTRACE_SETREGS request whenever possible, since it
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transfers more registers in one system call. */
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if (regno == -1 || GETREGS_SUPPLIES (regno))
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{
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store_regs (regcache, tid, regno);
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return;
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}
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internal_error (__FILE__, __LINE__,
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_("Got request to store bad register number %d."), regno);
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}
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void _initialize_m32r_linux_nat (void);
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void
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_initialize_m32r_linux_nat (void)
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{
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struct target_ops *t;
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/* Fill in the generic GNU/Linux methods. */
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t = linux_target ();
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/* Add our register access methods. */
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t->to_fetch_registers = m32r_linux_fetch_inferior_registers;
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t->to_store_registers = m32r_linux_store_inferior_registers;
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/* Register the target. */
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linux_nat_add_target (t);
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}
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