mirror of
https://sourceware.org/git/binutils-gdb.git
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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.
312 lines
7.8 KiB
C
312 lines
7.8 KiB
C
/* <proc_service.h> implementation.
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Copyright (C) 1999, 2000, 2002, 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 "gdb_proc_service.h"
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#include <sys/procfs.h>
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#include "inferior.h"
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#include "symtab.h"
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#include "target.h"
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#include "regcache.h"
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/* Prototypes for supply_gregset etc. */
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#include "gregset.h"
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/* Fix-up some broken systems. */
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/* The prototypes in <proc_service.h> are slightly different on older
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systems. Compensate for the discrepancies. */
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#ifdef PROC_SERVICE_IS_OLD
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typedef const struct ps_prochandle *gdb_ps_prochandle_t;
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typedef char *gdb_ps_read_buf_t;
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typedef char *gdb_ps_write_buf_t;
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typedef int gdb_ps_size_t;
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#else
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typedef struct ps_prochandle *gdb_ps_prochandle_t;
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typedef void *gdb_ps_read_buf_t;
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typedef const void *gdb_ps_write_buf_t;
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typedef size_t gdb_ps_size_t;
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#endif
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/* Building process ids. */
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#define BUILD_LWP(lwp, pid) ptid_build (pid, lwp, 0)
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/* Helper functions. */
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/* Transfer LEN bytes of memory between BUF and address ADDR in the
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process specified by PH. If WRITE, transfer them to the process,
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else transfer them from the process. Returns PS_OK for success,
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PS_ERR on failure.
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This is a helper function for ps_pdread, ps_pdwrite, ps_ptread and
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ps_ptwrite. */
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static ps_err_e
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ps_xfer_memory (const struct ps_prochandle *ph, paddr_t addr,
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gdb_byte *buf, size_t len, int write)
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{
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struct cleanup *old_chain = save_inferior_ptid ();
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int ret;
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inferior_ptid = pid_to_ptid (ph->pid);
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if (write)
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ret = target_write_memory (addr, buf, len);
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else
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ret = target_read_memory (addr, buf, len);
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do_cleanups (old_chain);
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return (ret == 0 ? PS_OK : PS_ERR);
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}
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/* Stop the target process PH. */
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ps_err_e
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ps_pstop (gdb_ps_prochandle_t ph)
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{
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/* The process is always stopped when under control of GDB. */
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return PS_OK;
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}
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/* Resume the target process PH. */
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ps_err_e
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ps_pcontinue (gdb_ps_prochandle_t ph)
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{
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/* Pretend we did successfully continue the process. GDB will take
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care of it later on. */
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return PS_OK;
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}
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/* Stop the lightweight process LWPID within the target process PH. */
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ps_err_e
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ps_lstop (gdb_ps_prochandle_t ph, lwpid_t lwpid)
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{
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/* All lightweight processes are stopped when under control of GDB. */
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return PS_OK;
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}
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/* Resume the lightweight process (LWP) LWPID within the target
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process PH. */
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ps_err_e
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ps_lcontinue (gdb_ps_prochandle_t ph, lwpid_t lwpid)
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{
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/* Pretend we did successfully continue LWPID. GDB will take care
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of it later on. */
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return PS_OK;
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}
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/* Get the size of the architecture-dependent extra state registers
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for LWP LWPID within the target process PH and return it in
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*XREGSIZE. */
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ps_err_e
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ps_lgetxregsize (gdb_ps_prochandle_t ph, lwpid_t lwpid, int *xregsize)
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{
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/* FIXME: Not supported yet. */
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return PS_OK;
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}
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/* Get the extra state registers of LWP LWPID within the target
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process PH and store them in XREGSET. */
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ps_err_e
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ps_lgetxregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, caddr_t xregset)
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{
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/* FIXME: Not supported yet. */
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return PS_OK;
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}
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/* Set the extra state registers of LWP LWPID within the target
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process PH from XREGSET. */
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ps_err_e
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ps_lsetxregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, caddr_t xregset)
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{
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/* FIXME: Not supported yet. */
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return PS_OK;
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}
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/* Log (additional) diognostic information. */
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void
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ps_plog (const char *fmt, ...)
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{
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va_list args;
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va_start (args, fmt);
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vfprintf_filtered (gdb_stderr, fmt, args);
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}
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/* Search for the symbol named NAME within the object named OBJ within
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the target process PH. If the symbol is found the address of the
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symbol is stored in SYM_ADDR. */
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ps_err_e
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ps_pglobal_lookup (gdb_ps_prochandle_t ph, const char *obj,
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const char *name, paddr_t *sym_addr)
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{
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struct minimal_symbol *ms;
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/* FIXME: kettenis/2000-09-03: What should we do with OBJ? */
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ms = lookup_minimal_symbol (name, NULL, NULL);
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if (ms == NULL)
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return PS_NOSYM;
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*sym_addr = SYMBOL_VALUE_ADDRESS (ms);
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return PS_OK;
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}
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/* Read SIZE bytes from the target process PH at address ADDR and copy
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them into BUF. */
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ps_err_e
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ps_pdread (gdb_ps_prochandle_t ph, paddr_t addr,
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gdb_ps_read_buf_t buf, gdb_ps_size_t size)
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{
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return ps_xfer_memory (ph, addr, buf, size, 0);
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}
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/* Write SIZE bytes from BUF into the target process PH at address ADDR. */
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ps_err_e
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ps_pdwrite (gdb_ps_prochandle_t ph, paddr_t addr,
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gdb_ps_write_buf_t buf, gdb_ps_size_t size)
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{
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return ps_xfer_memory (ph, addr, (gdb_byte *) buf, size, 1);
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}
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/* Read SIZE bytes from the target process PH at address ADDR and copy
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them into BUF. */
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ps_err_e
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ps_ptread (gdb_ps_prochandle_t ph, paddr_t addr,
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gdb_ps_read_buf_t buf, gdb_ps_size_t size)
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{
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return ps_xfer_memory (ph, addr, (gdb_byte *) buf, size, 0);
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}
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/* Write SIZE bytes from BUF into the target process PH at address ADDR. */
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ps_err_e
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ps_ptwrite (gdb_ps_prochandle_t ph, paddr_t addr,
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gdb_ps_write_buf_t buf, gdb_ps_size_t size)
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{
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return ps_xfer_memory (ph, addr, (gdb_byte *) buf, size, 1);
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}
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/* Get the general registers of LWP LWPID within the target process PH
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and store them in GREGSET. */
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ps_err_e
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ps_lgetregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, prgregset_t gregset)
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{
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struct cleanup *old_chain = save_inferior_ptid ();
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inferior_ptid = BUILD_LWP (lwpid, ph->pid);
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target_fetch_registers (current_regcache, -1);
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fill_gregset (current_regcache, (gdb_gregset_t *) gregset, -1);
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do_cleanups (old_chain);
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return PS_OK;
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}
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/* Set the general registers of LWP LWPID within the target process PH
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from GREGSET. */
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ps_err_e
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ps_lsetregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, const prgregset_t gregset)
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{
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struct cleanup *old_chain = save_inferior_ptid ();
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inferior_ptid = BUILD_LWP (lwpid, ph->pid);
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supply_gregset (current_regcache, (const gdb_gregset_t *) gregset);
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target_store_registers (current_regcache, -1);
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do_cleanups (old_chain);
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return PS_OK;
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}
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/* Get the floating-point registers of LWP LWPID within the target
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process PH and store them in FPREGSET. */
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ps_err_e
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ps_lgetfpregs (gdb_ps_prochandle_t ph, lwpid_t lwpid,
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gdb_prfpregset_t *fpregset)
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{
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struct cleanup *old_chain = save_inferior_ptid ();
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inferior_ptid = BUILD_LWP (lwpid, ph->pid);
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target_fetch_registers (current_regcache, -1);
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fill_fpregset (current_regcache, (gdb_fpregset_t *) fpregset, -1);
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do_cleanups (old_chain);
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return PS_OK;
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}
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/* Set the floating-point registers of LWP LWPID within the target
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process PH from FPREGSET. */
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ps_err_e
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ps_lsetfpregs (gdb_ps_prochandle_t ph, lwpid_t lwpid,
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const gdb_prfpregset_t *fpregset)
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{
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struct cleanup *old_chain = save_inferior_ptid ();
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inferior_ptid = BUILD_LWP (lwpid, ph->pid);
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supply_fpregset (current_regcache, (const gdb_fpregset_t *) fpregset);
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target_store_registers (current_regcache, -1);
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do_cleanups (old_chain);
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return PS_OK;
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}
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/* Return overall process id of the target PH. Special for GNU/Linux
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-- not used on Solaris. */
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pid_t
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ps_getpid (gdb_ps_prochandle_t ph)
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{
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return ph->pid;
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}
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void
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_initialize_proc_service (void)
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{
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/* This function solely exists to make sure this module is linked
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into the final binary. */
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}
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