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[/] [or1k/] [trunk/] [gdb-5.3/] [gdb/] [gdbserver/] [proc-service.c] - Rev 1765
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/* libthread_db helper functions for the remote server for GDB. Copyright 2002 Free Software Foundation, Inc. Contributed by MontaVista Software. 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 "server.h" /* This file is currently tied to GNU/Linux. It should scale well to another libthread_db implementation, with the approriate gdbserver hooks, but for now this means we can use GNU/Linux's target data. */ #include "linux-low.h" /* Correct for all GNU/Linux targets (for quite some time). */ #define GDB_GREGSET_T elf_gregset_t #define GDB_FPREGSET_T elf_fpregset_t #ifndef HAVE_ELF_FPREGSET_T /* Make sure we have said types. Not all platforms bring in <linux/elf.h> via <sys/procfs.h>. */ #ifdef HAVE_LINUX_ELF_H #include <linux/elf.h> #endif #endif #include "../gdb_proc_service.h" typedef struct ps_prochandle *gdb_ps_prochandle_t; typedef void *gdb_ps_read_buf_t; typedef const void *gdb_ps_write_buf_t; typedef size_t gdb_ps_size_t; /* FIXME redo this right */ #if 0 #ifndef HAVE_LINUX_REGSETS #error HAVE_LINUX_REGSETS required! #else static struct regset_info * gregset_info(void) { int i = 0; while (target_regsets[i].size != -1) { if (target_regsets[i].type == GENERAL_REGS) break; i++; } return &target_regsets[i]; } static struct regset_info * fpregset_info(void) { int i = 0; while (target_regsets[i].size != -1) { if (target_regsets[i].type == FP_REGS) break; i++; } return &target_regsets[i]; } #endif #endif /* Search for the symbol named NAME within the object named OBJ within the target process PH. If the symbol is found the address of the symbol is stored in SYM_ADDR. */ ps_err_e ps_pglobal_lookup (gdb_ps_prochandle_t ph, const char *obj, const char *name, paddr_t *sym_addr) { CORE_ADDR addr; if (look_up_one_symbol (name, &addr) == 0) return PS_NOSYM; *sym_addr = (paddr_t) (unsigned long) addr; return PS_OK; } /* Read SIZE bytes from the target process PH at address ADDR and copy them into BUF. */ ps_err_e ps_pdread (gdb_ps_prochandle_t ph, paddr_t addr, gdb_ps_read_buf_t buf, gdb_ps_size_t size) { read_inferior_memory (addr, buf, size); return PS_OK; } /* Write SIZE bytes from BUF into the target process PH at address ADDR. */ ps_err_e ps_pdwrite (gdb_ps_prochandle_t ph, paddr_t addr, gdb_ps_write_buf_t buf, gdb_ps_size_t size) { return write_inferior_memory (addr, buf, size); } /* Get the general registers of LWP LWPID within the target process PH and store them in GREGSET. */ ps_err_e ps_lgetregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, prgregset_t gregset) { #if 0 struct thread_info *reg_inferior, *save_inferior; void *regcache; reg_inferior = (struct thread_info *) find_inferior_id (&all_threads, lwpid); if (reg_inferior == NULL) return PS_ERR; save_inferior = current_inferior; current_inferior = reg_inferior; regcache = new_register_cache (); the_target->fetch_registers (0, regcache); gregset_info()->fill_function (gregset, regcache); free_register_cache (regcache); current_inferior = save_inferior; return PS_OK; #endif /* FIXME */ return PS_ERR; } /* Set the general registers of LWP LWPID within the target process PH from GREGSET. */ ps_err_e ps_lsetregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, const prgregset_t gregset) { #if 0 struct thread_info *reg_inferior, *save_inferior; void *regcache; reg_inferior = (struct thread_info *) find_inferior_id (&all_threads, lwpid); if (reg_inferior == NULL) return PS_ERR; save_inferior = current_inferior; current_inferior = reg_inferior; regcache = new_register_cache (); gregset_info()->store_function (gregset, regcache); the_target->store_registers (0, regcache); free_register_cache (regcache); current_inferior = save_inferior; return PS_OK; #endif /* FIXME */ return PS_ERR; } /* Get the floating-point registers of LWP LWPID within the target process PH and store them in FPREGSET. */ ps_err_e ps_lgetfpregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, gdb_prfpregset_t *fpregset) { #if 0 struct thread_info *reg_inferior, *save_inferior; void *regcache; reg_inferior = (struct thread_info *) find_inferior_id (&all_threads, lwpid); if (reg_inferior == NULL) return PS_ERR; save_inferior = current_inferior; current_inferior = reg_inferior; regcache = new_register_cache (); the_target->fetch_registers (0, regcache); fpregset_info()->fill_function (fpregset, regcache); free_register_cache (regcache); current_inferior = save_inferior; return PS_OK; #endif /* FIXME */ return PS_ERR; } /* Set the floating-point registers of LWP LWPID within the target process PH from FPREGSET. */ ps_err_e ps_lsetfpregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, const gdb_prfpregset_t *fpregset) { #if 0 struct thread_info *reg_inferior, *save_inferior; void *regcache; reg_inferior = (struct thread_info *) find_inferior_id (&all_threads, lwpid); if (reg_inferior == NULL) return PS_ERR; save_inferior = current_inferior; current_inferior = reg_inferior; regcache = new_register_cache (); fpregset_info()->store_function (fpregset, regcache); the_target->store_registers (0, regcache); free_register_cache (regcache); current_inferior = save_inferior; return PS_OK; #endif /* FIXME */ return PS_ERR; } /* Return overall process id of the target PH. Special for GNU/Linux -- not used on Solaris. */ pid_t ps_getpid (gdb_ps_prochandle_t ph) { return ph->pid; }