X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fi386gnu-nat.c;h=f15cf0c994d7f2ba4348d73c5e1d3202f40717cd;hb=34864976a85af27573d2e8a10c31ad99b0186b67;hp=19a0654d76c195f2f7e6b6072acbe500d5fc8f3d;hpb=ed504bdf4fa2bb56dc2843d530bb8bb8f46b81cf;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/i386gnu-nat.c b/gdb/i386gnu-nat.c index 19a0654d76..f15cf0c994 100644 --- a/gdb/i386gnu-nat.c +++ b/gdb/i386gnu-nat.c @@ -1,12 +1,13 @@ /* Low level interface to i386 running the GNU Hurd. - Copyright 1992, 1995, 1996, 1998, 2000, 2001 - Free Software Foundation, Inc. + + Copyright (C) 1992, 1995-1996, 1998, 2000-2001, 2004, 2007-2012 Free + Software Foundation, 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 + the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, @@ -15,9 +16,7 @@ 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. */ + along with this program. If not, see . */ #include "defs.h" #include "inferior.h" @@ -27,6 +26,7 @@ #include "gdb_assert.h" #include #include +#include "gdb_string.h" #include #include @@ -57,12 +57,14 @@ static int reg_offset[] = }; #define REG_ADDR(state, regnum) ((char *)(state) + reg_offset[regnum]) +#define CREG_ADDR(state, regnum) ((const char *)(state) + reg_offset[regnum]) -/* Get the whole floating-point state of THREAD and record the - values of the corresponding (pseudo) registers. */ +/* Get the whole floating-point state of THREAD and record the values + of the corresponding (pseudo) registers. */ + static void -fetch_fpregs (struct proc *thread) +fetch_fpregs (struct regcache *regcache, struct proc *thread) { mach_msg_type_number_t count = i386_FLOAT_STATE_COUNT; struct i386_float_state state; @@ -72,57 +74,56 @@ fetch_fpregs (struct proc *thread) (thread_state_t) &state, &count); if (err) { - warning ("Couldn't fetch floating-point state from %s", + warning (_("Couldn't fetch floating-point state from %s"), proc_string (thread)); return; } if (!state.initialized) - /* The floating-point state isn't initialized. */ { - int i; - - for (i = FP0_REGNUM; i <= FOP_REGNUM; i++) - supply_register (i, NULL); - - return; + /* The floating-point state isn't initialized. */ + i387_supply_fsave (regcache, -1, NULL); + } + else + { + /* Supply the floating-point registers. */ + i387_supply_fsave (regcache, -1, state.hw_state); } - - /* Supply the floating-point registers. */ - i387_supply_fsave (state.hw_state, -1); } #ifdef HAVE_SYS_PROCFS_H /* These two calls are used by the core-regset.c code for reading ELF core files. */ void -supply_gregset (gdb_gregset_t *gregs) +supply_gregset (struct regcache *regcache, const gdb_gregset_t *gregs) { int i; for (i = 0; i < I386_NUM_GREGS; i++) - supply_register (i, REG_ADDR (gregs, i)); + regcache_raw_supply (regcache, i, CREG_ADDR (gregs, i)); } void -supply_fpregset (gdb_fpregset_t *fpregs) +supply_fpregset (struct regcache *regcache, const gdb_fpregset_t *fpregs) { - i387_supply_fsave ((const char *) fpregs, -1); + i387_supply_fsave (regcache, -1, fpregs); } #endif /* Fetch register REGNO, or all regs if REGNO is -1. */ -void -gnu_fetch_registers (int regno) +static void +gnu_fetch_registers (struct target_ops *ops, + struct regcache *regcache, int regno) { struct proc *thread; /* Make sure we know about new threads. */ - inf_update_procs (current_inferior); + inf_update_procs (gnu_current_inf); - thread = inf_tid_to_thread (current_inferior, PIDGET (inferior_ptid)); + thread = inf_tid_to_thread (gnu_current_inf, + ptid_get_tid (inferior_ptid)); if (!thread) - error ("Can't fetch registers from thread %d: No such thread", - PIDGET (inferior_ptid)); + error (_("Can't fetch registers from thread %s: No such thread"), + target_pid_to_str (inferior_ptid)); if (regno < I386_NUM_GREGS || regno == -1) { @@ -132,7 +133,7 @@ gnu_fetch_registers (int regno) state = proc_get_state (thread, 0); if (!state) { - warning ("Couldn't fetch registers from %s", + warning (_("Couldn't fetch registers from %s"), proc_string (thread)); return; } @@ -144,14 +145,17 @@ gnu_fetch_registers (int regno) proc_debug (thread, "fetching all register"); for (i = 0; i < I386_NUM_GREGS; i++) - supply_register (i, REG_ADDR (state, i)); + regcache_raw_supply (regcache, i, REG_ADDR (state, i)); thread->fetched_regs = ~0; } else { - proc_debug (thread, "fetching register %s", REGISTER_NAME (regno)); + proc_debug (thread, "fetching register %s", + gdbarch_register_name (get_regcache_arch (regcache), + regno)); - supply_register (regno, REG_ADDR (state, regno)); + regcache_raw_supply (regcache, regno, + REG_ADDR (state, regno)); thread->fetched_regs |= (1 << regno); } } @@ -160,7 +164,7 @@ gnu_fetch_registers (int regno) { proc_debug (thread, "fetching floating-point registers"); - fetch_fpregs (thread); + fetch_fpregs (regcache, thread); } } @@ -168,7 +172,7 @@ gnu_fetch_registers (int regno) /* Store the whole floating-point state into THREAD using information from the corresponding (pseudo) registers. */ static void -store_fpregs (struct proc *thread, int regno) +store_fpregs (const struct regcache *regcache, struct proc *thread, int regno) { mach_msg_type_number_t count = i386_FLOAT_STATE_COUNT; struct i386_float_state state; @@ -178,38 +182,41 @@ store_fpregs (struct proc *thread, int regno) (thread_state_t) &state, &count); if (err) { - warning ("Couldn't fetch floating-point state from %s", + warning (_("Couldn't fetch floating-point state from %s"), proc_string (thread)); return; } /* FIXME: kettenis/2001-07-15: Is this right? Should we somehow take into account DEPRECATED_REGISTER_VALID like the old code did? */ - i387_fill_fsave (state.hw_state, regno); + i387_collect_fsave (regcache, regno, state.hw_state); err = thread_set_state (thread->port, i386_FLOAT_STATE, (thread_state_t) &state, i386_FLOAT_STATE_COUNT); if (err) { - warning ("Couldn't store floating-point state into %s", + warning (_("Couldn't store floating-point state into %s"), proc_string (thread)); return; } } /* Store at least register REGNO, or all regs if REGNO == -1. */ -void -gnu_store_registers (int regno) +static void +gnu_store_registers (struct target_ops *ops, + struct regcache *regcache, int regno) { struct proc *thread; + struct gdbarch *gdbarch = get_regcache_arch (regcache); /* Make sure we know about new threads. */ - inf_update_procs (current_inferior); + inf_update_procs (gnu_current_inf); - thread = inf_tid_to_thread (current_inferior, PIDGET (inferior_ptid)); + thread = inf_tid_to_thread (gnu_current_inf, + ptid_get_tid (inferior_ptid)); if (!thread) - error ("Couldn't store registers into thread %d: No such thread", - PIDGET (inferior_ptid)); + error (_("Couldn't store registers into thread %s: No such thread"), + target_pid_to_str (inferior_ptid)); if (regno < I386_NUM_GREGS || regno == -1) { @@ -225,7 +232,8 @@ gnu_store_registers (int regno) state = proc_get_state (thread, 1); if (!state) { - warning ("Couldn't store registers into %s", proc_string (thread)); + warning (_("Couldn't store registers into %s"), + proc_string (thread)); return; } @@ -242,23 +250,21 @@ gnu_store_registers (int regno) if ((thread->fetched_regs & (1 << check_regno)) && memcpy (REG_ADDR (&old_state, check_regno), REG_ADDR (state, check_regno), - REGISTER_RAW_SIZE (check_regno))) + register_size (gdbarch, check_regno))) /* Register CHECK_REGNO has changed! Ack! */ { - warning ("Register %s changed after the thread was aborted", - REGISTER_NAME (check_regno)); + warning (_("Register %s changed after the thread was aborted"), + gdbarch_register_name (gdbarch, check_regno)); if (regno >= 0 && regno != check_regno) /* Update GDB's copy of the register. */ - supply_register (check_regno, REG_ADDR (state, check_regno)); + regcache_raw_supply (regcache, check_regno, + REG_ADDR (state, check_regno)); else - warning ("... also writing this register! Suspicious..."); + warning (_("... also writing this register! " + "Suspicious...")); } } -#define fill(state, regno) \ - memcpy (REG_ADDR(state, regno), &deprecated_registers[REGISTER_BYTE (regno)], \ - REGISTER_RAW_SIZE (regno)) - if (regno == -1) { int i; @@ -266,15 +272,16 @@ gnu_store_registers (int regno) proc_debug (thread, "storing all registers"); for (i = 0; i < I386_NUM_GREGS; i++) - if (deprecated_register_valid[i]) - fill (state, i); + if (REG_VALID == regcache_register_status (regcache, i)) + regcache_raw_collect (regcache, i, REG_ADDR (state, i)); } else { - proc_debug (thread, "storing register %s", REGISTER_NAME (regno)); + proc_debug (thread, "storing register %s", + gdbarch_register_name (gdbarch, regno)); - gdb_assert (deprecated_register_valid[regno]); - fill (state, regno); + gdb_assert (REG_VALID == regcache_register_status (regcache, regno)); + regcache_raw_collect (regcache, regno, REG_ADDR (state, regno)); } /* Restore the T bit. */ @@ -282,12 +289,28 @@ gnu_store_registers (int regno) ((struct i386_thread_state *)state)->efl |= trace; } -#undef fill - if (regno >= I386_NUM_GREGS || regno == -1) { proc_debug (thread, "storing floating-point registers"); - store_fpregs (thread, regno); + store_fpregs (regcache, thread, regno); } } + +/* Provide a prototype to silence -Wmissing-prototypes. */ +extern initialize_file_ftype _initialize_i386gnu_nat; + +void +_initialize_i386gnu_nat (void) +{ + struct target_ops *t; + + /* Fill in the generic GNU/Hurd methods. */ + t = gnu_target (); + + t->to_fetch_registers = gnu_fetch_registers; + t->to_store_registers = gnu_store_registers; + + /* Register the target. */ + add_target (t); +}