mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-03 04:12:10 +08:00
56be38147c
(struct target_ops): Add REGCACHE parameter to to_fetch_registers and to_store_registers target operations. (target_fetch_registers, target_store_registers): Update. * regcache.c (regcache_raw_read): Replace register_cached by regcache_valid_p. Pass regcache to target_fetch_registers. (regcache_raw_write): Pass regcache to target_store_registers. * arm-linux-nat.c (store_fpregister, store_fpregs, store_register, store_regs, store_wmmx_regs): Replace register_cached by regcache_valid_p. * bsd-kvm.c (bsd_kvm_open, bsd_kvm_proc_cmd): Pass current_regcache to target_fetch_registers calls. * corelow.c (core_open): Likewise. * linux-nat.c (linux_nat_corefile_thread_callback): Likewise. * proc-service.c (ps_lgetregs, ps_lsetregs, ps_lgetfpregs, ps_lsetfpregs): Likewise. * sol-thread.c (ps_lgetregs, ps_lsetregs, ps_lgetfpregs, ps_lsetfpregs): Likewise. * win32-nat.c (win32_resume): Likewise. * ia64-tdep.c (ia64_store_return_value): Pass current_regcache to target_store_registers call. * rs6000-tdep.c (rs6000_push_dummy_call): Likewise. * inferior.h (store_inferior_registers): Update prototype. (fetch_inferior_registers): Likewise. * gnu-nat.c (gnu_store_registers, gnu_fetch_registers): Likewise. * mips-linux-nat.c (super_fetch_registers, super_store_registers): Update function pointer signatures. * aix-thread.c (aix_thread_fetch_registers): Add REGCACHE parameter, use it instead of current_regcache, update calls. (aix_thread_store_registers): Likewise. * alphabsd-nat.c (alphabsd_fetch_inferior_registers): Likewise. (alphabsd_store_inferior_registers): Likewise. * amd64bsd-nat.c (amd64bsd_fetch_inferior_registers): Likewise. (amd64bsd_store_inferior_registers): Likewise. * amd64-linux-nat.c (amd64_linux_fetch_inferior_registers): Likewise. (amd64_linux_store_inferior_registers): Likewise. * arm-linux-nat.c (fetch_fpregister, fetch_fpregs, store_fpregister, store_fpregs, fetch_register, fetch_regs, store_register, store_regs, fetch_wmmx_regs, store_wmmx_regs): Likewise. (arm_linux_fetch_inferior_registers): Likewise. (arm_linux_store_inferior_registers): Likewise. * armnbsd-nat.c (fetch_register, fetch_regs, fetch_fp_register, fetch_fp_regs, armnbsd_fetch_registers): Likewise. (store_register, store_regs, store_fp_register, store_fp_regs, armnbsd_store_registers): Likewise. * bsd-kvm.c (bsd_kvm_fetch_pcb, bsd_kvm_fetch_registers): Likewise. * bsd-uthread.c (bsd_uthread_fetch_registers): Likewise. (bsd_uthread_store_registers): Likewise. * corelow.c (get_core_registers): Likewise. * go32-nat.c (fetch_register, go32_fetch_registers, store_register, go32_store_registers): Likewise. * hppabsd-nat.c (hppabsd_fetch_registers): Likewise. (hppabsd_store_registers): Likewise. * hppa-hpux-nat.c (hppa_hpux_fetch_register): Likewise. (hppa_hpux_fetch_inferior_registers): Likewise. (hppa_hpux_store_register): Likewise. (hppa_hpux_store_inferior_registers): Likewise. * hppa-linux-nat.c (fetch_register, store_register): Likewise. (hppa_linux_fetch_inferior_registers): Likewise. (hppa_linux_store_inferior_registers): Likewise. * hpux-thread.c (hpux_thread_fetch_registers): Likewise. (hpux_thread_store_registers): Likewise. * i386bsd-nat.c (i386bsd_fetch_inferior_registers): Likewise. (i386bsd_store_inferior_registers): Likewise. * i386gnu-nat.c (fetch_fpregs, gnu_fetch_registers, store_fpregs, gnu_store_registers): Likewise. * i386-linux-nat.c (fetch_register, store_register, fetch_regs, store_regs, fetch_fpregs, store_fpregs, fetch_fpxregs, store_fpxregs): Likewise. (i386_linux_fetch_inferior_registers): Likewise. (i386_linux_store_inferior_registers): Likewise. * ia64-linux-nat.c (ia64_linux_fetch_register): Likewise. (ia64_linux_fetch_registers): Likewise. (ia64_linux_store_register): Likewise. (ia64_linux_store_registers): Likewise. * inf-child.c (inf_child_fetch_inferior_registers): Likewise. (inf_child_store_inferior_registers): Likewise. * inf-ptrace.c (inf_ptrace_fetch_register): Likewise. (inf_ptrace_fetch_registers): Likewise. (inf_ptrace_store_register): Likewise. (inf_ptrace_store_registers): Likewise. * infptrace.c (fetch_register, store_register): Likewise. (fetch_inferior_registers, store_inferior_registers): Likewise. * m32r-linux-nat.c (fetch_regs, store_regs): Likewise. (m32r_linux_fetch_inferior_registers): Likewise. (m32r_linux_store_inferior_registers): Likewise. * m68kbsd-nat.c (m68kbsd_fetch_inferior_registers): Likewise. (m68kbsd_store_inferior_registers): Likewise. * m68klinux-nat.c (fetch_register, old_fetch_inferior_registers, store_register, old_store_inferior_registers, fetch_regs, store_regs, fetch_fpregs, store_fpregs): Likewise. (m68k_linux_fetch_inferior_registers): Likewise. (m68k_linux_store_inferior_registers): Likewise. * m88kbsd-nat.c (m88kbsd_fetch_inferior_registers): Likewise. (m88kbsd_store_inferior_registers): Likewise. * mips64obsd-nat.c (mips64obsd_fetch_inferior_registers): Likewise. (mips64obsd_store_inferior_registers): Likewise. * mips-linux-nat.c (mips64_linux_regsets_fetch_registers): Likewise. (mips64_linux_regsets_store_registers): Likewise. (mips64_linux_fetch_registers): Likewise. (mips64_linux_store_registers): Likewise. * mipsnbsd-nat.c (mipsnbsd_fetch_inferior_registers): Likewise. (mipsnbsd_store_inferior_registers): Likewise. * monitor.c (monitor_fetch_register, monitor_store_register): Likewise. (monitor_fetch_registers, monitor_store_registers): Likewise. * nto-procfs.c (procfs_fetch_registers): Likewise. (procfs_store_registers): Likewise. * ppc-linux-nat.c (fetch_altivec_register, fetch_spe_register, fetch_register, supply_vrregset, fetch_altivec_registers, fetch_ppc_registers, ppc_linux_fetch_inferior_registers): Likewise. (store_altivec_register, store_spe_register, store_register, fill_vrregset, store_altivec_registers, store_ppc_registers, ppc_linux_store_inferior_registers): Likewise. * ppcnbsd-nat.c (ppcnbsd_fetch_inferior_registers): Likewise. (ppcnbsd_store_inferior_registers): Likewise. * ppcobsd-nat.c (ppcobsd_fetch_registers): Likewise. (ppcobsd_store_registers): Likewise. * procfs.c (procfs_fetch_registers, procfs_store_registers): Likewise. * remote.c (fetch_register_using_p, process_g_packet, fetch_registers_using_g, remote_fetch_registers): Likewise. (store_register_using_P, store_registers_using_G, remote_store_registers): Likewise. * remote-m32r-sdi.c (m32r_fetch_registers, m32r_fetch_register, m32r_store_register, m32r_store_register): Likewise. * remote-mips.c (mips_fetch_registers, mips_store_registers): Likewise. * remote-sim.c (gdbsim_fetch_register): Likewise. (gdbsim_store_register): Likewise. * rs6000-nat.c (fetch_register, store_register): Likewise. (rs6000_fetch_inferior_registers): Likewise. (rs6000_store_inferior_registers): Likewise. * s390-nat.c (fetch_regs, store_regs): Likewise. (fetch_fpregs, store_fpregs): Likewise. (s390_linux_fetch_inferior_registers): Likewise. (s390_linux_store_inferior_registers): Likewise. * shnbsd-nat.c (shnbsd_fetch_inferior_registers): Likewise. (shnbsd_store_inferior_registers): Likewise. * sol-thread.c (sol_thread_fetch_registers): Likewise. (sol_thread_store_registers): Likewise. * sparc-nat.c (fetch_inferior_registers): Likewise. (store_inferior_registers): Likewise. * spu-linux-nat.c (spu_fetch_inferior_registers): Likewise. (spu_store_inferior_registers): Likewise. * target.c (debug_print_register): Likewise. (debug_to_fetch_registers, debug_to_store_registers): Likewise. * vaxbsd-nat.c (vaxbsd_fetch_inferior_registers): Likewise. (vaxbsd_store_inferior_registers): Likewise. * win32-nat.c (do_win32_fetch_inferior_registers): Likewise. (win32_fetch_inferior_registers): Likewise. (win32_store_inferior_registers): Likewise.
398 lines
9.6 KiB
C
398 lines
9.6 KiB
C
/* Functions specific to running GDB native on HPPA running GNU/Linux.
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Copyright (C) 2004, 2005, 2006, 2007 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 2 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, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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#include "defs.h"
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#include "gdbcore.h"
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#include "regcache.h"
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#include "gdb_string.h"
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#include "inferior.h"
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#include "target.h"
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#include "linux-nat.h"
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#include <sys/procfs.h>
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#include <sys/ptrace.h>
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#include <linux/version.h>
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,43)
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#include <asm/offset.h>
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#else
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#include <asm/offsets.h>
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#endif
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#include "hppa-tdep.h"
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/* Prototypes for supply_gregset etc. */
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#include "gregset.h"
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/* These must match the order of the register names.
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Some sort of lookup table is needed because the offsets associated
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with the registers are all over the board. */
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static const int u_offsets[] =
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{
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/* general registers */
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-1,
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PT_GR1,
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PT_GR2,
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PT_GR3,
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PT_GR4,
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PT_GR5,
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PT_GR6,
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PT_GR7,
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PT_GR8,
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PT_GR9,
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PT_GR10,
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PT_GR11,
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PT_GR12,
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PT_GR13,
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PT_GR14,
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PT_GR15,
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PT_GR16,
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PT_GR17,
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PT_GR18,
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PT_GR19,
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PT_GR20,
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PT_GR21,
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PT_GR22,
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PT_GR23,
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PT_GR24,
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PT_GR25,
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PT_GR26,
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PT_GR27,
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PT_GR28,
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PT_GR29,
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PT_GR30,
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PT_GR31,
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PT_SAR,
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PT_IAOQ0,
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PT_IASQ0,
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PT_IAOQ1,
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PT_IASQ1,
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-1, /* eiem */
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PT_IIR,
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PT_ISR,
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PT_IOR,
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PT_PSW,
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-1, /* goto */
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PT_SR4,
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PT_SR0,
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PT_SR1,
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PT_SR2,
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PT_SR3,
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PT_SR5,
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PT_SR6,
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PT_SR7,
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-1, /* cr0 */
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-1, /* pid0 */
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-1, /* pid1 */
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-1, /* ccr */
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-1, /* pid2 */
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-1, /* pid3 */
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-1, /* cr24 */
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-1, /* cr25 */
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-1, /* cr26 */
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PT_CR27,
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-1, /* cr28 */
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-1, /* cr29 */
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-1, /* cr30 */
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/* Floating point regs. */
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PT_FR0, PT_FR0 + 4,
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PT_FR1, PT_FR1 + 4,
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PT_FR2, PT_FR2 + 4,
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PT_FR3, PT_FR3 + 4,
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PT_FR4, PT_FR4 + 4,
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PT_FR5, PT_FR5 + 4,
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PT_FR6, PT_FR6 + 4,
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PT_FR7, PT_FR7 + 4,
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PT_FR8, PT_FR8 + 4,
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PT_FR9, PT_FR9 + 4,
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PT_FR10, PT_FR10 + 4,
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PT_FR11, PT_FR11 + 4,
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PT_FR12, PT_FR12 + 4,
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PT_FR13, PT_FR13 + 4,
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PT_FR14, PT_FR14 + 4,
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PT_FR15, PT_FR15 + 4,
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PT_FR16, PT_FR16 + 4,
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PT_FR17, PT_FR17 + 4,
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PT_FR18, PT_FR18 + 4,
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PT_FR19, PT_FR19 + 4,
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PT_FR20, PT_FR20 + 4,
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PT_FR21, PT_FR21 + 4,
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PT_FR22, PT_FR22 + 4,
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PT_FR23, PT_FR23 + 4,
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PT_FR24, PT_FR24 + 4,
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PT_FR25, PT_FR25 + 4,
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PT_FR26, PT_FR26 + 4,
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PT_FR27, PT_FR27 + 4,
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PT_FR28, PT_FR28 + 4,
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PT_FR29, PT_FR29 + 4,
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PT_FR30, PT_FR30 + 4,
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PT_FR31, PT_FR31 + 4,
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};
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static CORE_ADDR
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hppa_linux_register_addr (int regno, CORE_ADDR blockend)
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{
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CORE_ADDR addr;
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if ((unsigned) regno >= NUM_REGS)
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error (_("Invalid register number %d."), regno);
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if (u_offsets[regno] == -1)
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addr = 0;
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else
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{
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addr = (CORE_ADDR) u_offsets[regno];
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}
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return addr;
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}
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/*
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* Registers saved in a coredump:
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* gr0..gr31
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* sr0..sr7
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* iaoq0..iaoq1
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* iasq0..iasq1
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* sar, iir, isr, ior, ipsw
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* cr0, cr24..cr31
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* cr8,9,12,13
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* cr10, cr15
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*/
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#define GR_REGNUM(_n) (HPPA_R0_REGNUM+_n)
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#define TR_REGNUM(_n) (HPPA_TR0_REGNUM+_n)
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static const int greg_map[] =
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{
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GR_REGNUM(0), GR_REGNUM(1), GR_REGNUM(2), GR_REGNUM(3),
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GR_REGNUM(4), GR_REGNUM(5), GR_REGNUM(6), GR_REGNUM(7),
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GR_REGNUM(8), GR_REGNUM(9), GR_REGNUM(10), GR_REGNUM(11),
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GR_REGNUM(12), GR_REGNUM(13), GR_REGNUM(14), GR_REGNUM(15),
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GR_REGNUM(16), GR_REGNUM(17), GR_REGNUM(18), GR_REGNUM(19),
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GR_REGNUM(20), GR_REGNUM(21), GR_REGNUM(22), GR_REGNUM(23),
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GR_REGNUM(24), GR_REGNUM(25), GR_REGNUM(26), GR_REGNUM(27),
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GR_REGNUM(28), GR_REGNUM(29), GR_REGNUM(30), GR_REGNUM(31),
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HPPA_SR4_REGNUM+1, HPPA_SR4_REGNUM+2, HPPA_SR4_REGNUM+3, HPPA_SR4_REGNUM+4,
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HPPA_SR4_REGNUM, HPPA_SR4_REGNUM+5, HPPA_SR4_REGNUM+6, HPPA_SR4_REGNUM+7,
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HPPA_PCOQ_HEAD_REGNUM, HPPA_PCOQ_TAIL_REGNUM,
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HPPA_PCSQ_HEAD_REGNUM, HPPA_PCSQ_TAIL_REGNUM,
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HPPA_SAR_REGNUM, HPPA_IIR_REGNUM, HPPA_ISR_REGNUM, HPPA_IOR_REGNUM,
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HPPA_IPSW_REGNUM, HPPA_RCR_REGNUM,
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TR_REGNUM(0), TR_REGNUM(1), TR_REGNUM(2), TR_REGNUM(3),
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TR_REGNUM(4), TR_REGNUM(5), TR_REGNUM(6), TR_REGNUM(7),
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HPPA_PID0_REGNUM, HPPA_PID1_REGNUM, HPPA_PID2_REGNUM, HPPA_PID3_REGNUM,
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HPPA_CCR_REGNUM, HPPA_EIEM_REGNUM,
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};
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/* Fetch one register. */
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static void
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fetch_register (struct regcache *regcache, int regno)
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{
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int tid;
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int val;
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if (CANNOT_FETCH_REGISTER (regno))
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{
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regcache_raw_supply (regcache, regno, NULL);
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return;
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}
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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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errno = 0;
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val = ptrace (PTRACE_PEEKUSER, tid, hppa_linux_register_addr (regno, 0), 0);
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if (errno != 0)
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error (_("Couldn't read register %s (#%d): %s."), REGISTER_NAME (regno),
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regno, safe_strerror (errno));
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regcache_raw_supply (regcache, regno, &val);
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}
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/* Store one register. */
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static void
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store_register (const struct regcache *regcache, int regno)
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{
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int tid;
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int val;
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if (CANNOT_STORE_REGISTER (regno))
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return;
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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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errno = 0;
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regcache_raw_collect (regcache, regno, &val);
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ptrace (PTRACE_POKEUSER, tid, hppa_linux_register_addr (regno, 0), val);
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if (errno != 0)
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error (_("Couldn't write register %s (#%d): %s."), REGISTER_NAME (regno),
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regno, safe_strerror (errno));
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}
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/* Fetch registers from the child process. Fetch all registers if
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regno == -1, otherwise fetch all general registers or all floating
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point registers depending upon the value of regno. */
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static void
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hppa_linux_fetch_inferior_registers (struct regcache *regcache, int regno)
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{
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if (-1 == regno)
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{
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for (regno = 0; regno < NUM_REGS; regno++)
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fetch_register (regcache, regno);
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}
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else
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{
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fetch_register (regcache, regno);
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}
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}
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/* Store registers back into the inferior. Store all registers if
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regno == -1, otherwise store all general registers or all floating
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point registers depending upon the value of regno. */
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static void
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hppa_linux_store_inferior_registers (struct regcache *regcache, int regno)
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{
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if (-1 == regno)
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{
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for (regno = 0; regno < NUM_REGS; regno++)
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store_register (regcache, regno);
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}
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else
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{
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store_register (regcache, regno);
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}
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}
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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 gdb_gregset_t *gregsetp)
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{
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int i;
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const greg_t *regp = (const elf_greg_t *) gregsetp;
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for (i = 0; i < sizeof (greg_map) / sizeof (greg_map[0]); i++, regp++)
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{
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int regno = greg_map[i];
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regcache_raw_supply (regcache, regno, regp);
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}
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}
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/* Fill register regno (if it is a general-purpose register) in
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*gregsetp with the appropriate value from GDB's register array.
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If regno is -1, do this for all registers. */
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void
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fill_gregset (const struct regcache *regcache,
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gdb_gregset_t *gregsetp, int regno)
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{
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int i;
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for (i = 0; i < sizeof (greg_map) / sizeof (greg_map[0]); i++)
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{
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int mregno = greg_map[i];
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if (regno == -1 || regno == mregno)
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{
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regcache_raw_collect(regcache, mregno, &(*gregsetp)[i]);
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}
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}
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}
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/* Given a pointer to a floating point register set in /proc format
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(fpregset_t *), unpack the register contents and supply them as gdb's
|
|
idea of the current floating point register values. */
|
|
|
|
void
|
|
supply_fpregset (struct regcache *regcache, const gdb_fpregset_t *fpregsetp)
|
|
{
|
|
int regi;
|
|
const char *from;
|
|
|
|
for (regi = 0; regi <= 31; regi++)
|
|
{
|
|
from = (const char *) &((*fpregsetp)[regi]);
|
|
regcache_raw_supply (regcache, 2*regi + HPPA_FP0_REGNUM, from);
|
|
regcache_raw_supply (regcache, 2*regi + HPPA_FP0_REGNUM + 1, from + 4);
|
|
}
|
|
}
|
|
|
|
/* Given a pointer to a floating point register set in /proc format
|
|
(fpregset_t *), update the register specified by REGNO from gdb's idea
|
|
of the current floating point register set. If REGNO is -1, update
|
|
them all. */
|
|
|
|
void
|
|
fill_fpregset (const struct regcache *regcache,
|
|
gdb_fpregset_t *fpregsetp, int regno)
|
|
{
|
|
int i;
|
|
|
|
for (i = HPPA_FP0_REGNUM; i < HPPA_FP0_REGNUM + 32 * 2; i++)
|
|
{
|
|
/* Gross. fpregset_t is double, registers[x] has single
|
|
precision reg. */
|
|
char *to = (char *) &((*fpregsetp)[(i - HPPA_FP0_REGNUM) / 2]);
|
|
if ((i - HPPA_FP0_REGNUM) & 1)
|
|
to += 4;
|
|
regcache_raw_collect (regcache, i, to);
|
|
}
|
|
}
|
|
|
|
void _initialize_hppa_linux_nat (void);
|
|
|
|
void
|
|
_initialize_hppa_linux_nat (void)
|
|
{
|
|
struct target_ops *t;
|
|
|
|
/* Fill in the generic GNU/Linux methods. */
|
|
t = linux_target ();
|
|
|
|
/* Add our register access methods. */
|
|
t->to_fetch_registers = hppa_linux_fetch_inferior_registers;
|
|
t->to_store_registers = hppa_linux_store_inferior_registers;
|
|
|
|
/* Register the target. */
|
|
linux_nat_add_target (t);
|
|
}
|