diff options
Diffstat (limited to 'gdb/i386m3-nat.c')
-rw-r--r-- | gdb/i386m3-nat.c | 426 |
1 files changed, 0 insertions, 426 deletions
diff --git a/gdb/i386m3-nat.c b/gdb/i386m3-nat.c deleted file mode 100644 index 8cb51d5..0000000 --- a/gdb/i386m3-nat.c +++ /dev/null @@ -1,426 +0,0 @@ -// OBSOLETE /* Low level interface to I386 running mach 3.0. -// OBSOLETE Copyright 1992, 1993, 1994, 1996, 2000, 2001 -// OBSOLETE Free Software Foundation, Inc. -// OBSOLETE -// OBSOLETE This file is part of GDB. -// OBSOLETE -// OBSOLETE This program is free software; you can redistribute it and/or modify -// OBSOLETE it under the terms of the GNU General Public License as published by -// OBSOLETE the Free Software Foundation; either version 2 of the License, or -// OBSOLETE (at your option) any later version. -// OBSOLETE -// OBSOLETE This program is distributed in the hope that it will be useful, -// OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of -// OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// OBSOLETE GNU General Public License for more details. -// OBSOLETE -// OBSOLETE You should have received a copy of the GNU General Public License -// OBSOLETE along with this program; if not, write to the Free Software -// OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, -// OBSOLETE Boston, MA 02111-1307, USA. */ -// OBSOLETE -// OBSOLETE #include "defs.h" -// OBSOLETE #include "inferior.h" -// OBSOLETE #include "floatformat.h" -// OBSOLETE #include "regcache.h" -// OBSOLETE -// OBSOLETE #include <stdio.h> -// OBSOLETE -// OBSOLETE #include <mach.h> -// OBSOLETE #include <mach/message.h> -// OBSOLETE #include <mach/exception.h> -// OBSOLETE #include <mach_error.h> -// OBSOLETE -// OBSOLETE /* Hmmm... Should this not be here? -// OBSOLETE * Now for i386_float_info() target_has_execution -// OBSOLETE */ -// OBSOLETE #include <target.h> -// OBSOLETE -// OBSOLETE /* This mess is duplicated in bfd/i386mach3.h -// OBSOLETE -// OBSOLETE * This is an ugly way to hack around the incorrect -// OBSOLETE * definition of UPAGES in i386/machparam.h. -// OBSOLETE * -// OBSOLETE * The definition should specify the size reserved -// OBSOLETE * for "struct user" in core files in PAGES, -// OBSOLETE * but instead it gives it in 512-byte core-clicks -// OBSOLETE * for i386 and i860. -// OBSOLETE */ -// OBSOLETE #include <sys/param.h> -// OBSOLETE #if UPAGES == 16 -// OBSOLETE #define UAREA_SIZE ctob(UPAGES) -// OBSOLETE #elif UPAGES == 2 -// OBSOLETE #define UAREA_SIZE (NBPG*UPAGES) -// OBSOLETE #else -// OBSOLETE FIXME ! !UPAGES is neither 2 nor 16 -// OBSOLETE #endif -// OBSOLETE -// OBSOLETE /* @@@ Should move print_387_status() to i387-tdep.c */ -// OBSOLETE extern void print_387_control_word (); /* i387-tdep.h */ -// OBSOLETE extern void print_387_status_word (); -// OBSOLETE -// OBSOLETE #define private static -// OBSOLETE -// OBSOLETE -// OBSOLETE /* Find offsets to thread states at compile time. -// OBSOLETE * If your compiler does not grok this, calculate offsets -// OBSOLETE * offsets yourself and use them (or get a compatible compiler :-) -// OBSOLETE */ -// OBSOLETE -// OBSOLETE #define REG_OFFSET(reg) (int)(&((struct i386_thread_state *)0)->reg) -// OBSOLETE -// OBSOLETE /* at reg_offset[i] is the offset to the i386_thread_state -// OBSOLETE * location where the gdb registers[i] is stored. -// OBSOLETE */ -// OBSOLETE -// OBSOLETE static int reg_offset[] = -// OBSOLETE { -// OBSOLETE REG_OFFSET (eax), REG_OFFSET (ecx), REG_OFFSET (edx), REG_OFFSET (ebx), -// OBSOLETE REG_OFFSET (uesp), REG_OFFSET (ebp), REG_OFFSET (esi), REG_OFFSET (edi), -// OBSOLETE REG_OFFSET (eip), REG_OFFSET (efl), REG_OFFSET (cs), REG_OFFSET (ss), -// OBSOLETE REG_OFFSET (ds), REG_OFFSET (es), REG_OFFSET (fs), REG_OFFSET (gs) -// OBSOLETE }; -// OBSOLETE -// OBSOLETE #define REG_ADDRESS(state,regnum) ((char *)(state)+reg_offset[regnum]) -// OBSOLETE -// OBSOLETE /* Fetch COUNT contiguous registers from thread STATE starting from REGNUM -// OBSOLETE * Caller knows that the regs handled in one transaction are of same size. -// OBSOLETE */ -// OBSOLETE #define FETCH_REGS(state, regnum, count) \ -// OBSOLETE memcpy (®isters[REGISTER_BYTE (regnum)], \ -// OBSOLETE REG_ADDRESS (state, regnum), \ -// OBSOLETE count*REGISTER_SIZE) -// OBSOLETE -// OBSOLETE /* Store COUNT contiguous registers to thread STATE starting from REGNUM */ -// OBSOLETE #define STORE_REGS(state, regnum, count) \ -// OBSOLETE memcpy (REG_ADDRESS (state, regnum), \ -// OBSOLETE ®isters[REGISTER_BYTE (regnum)], \ -// OBSOLETE count*REGISTER_SIZE) -// OBSOLETE -// OBSOLETE /* -// OBSOLETE * Fetch inferiors registers for gdb. -// OBSOLETE * REGNO specifies which (as gdb views it) register, -1 for all. -// OBSOLETE */ -// OBSOLETE -// OBSOLETE void -// OBSOLETE fetch_inferior_registers (int regno) -// OBSOLETE { -// OBSOLETE kern_return_t ret; -// OBSOLETE thread_state_data_t state; -// OBSOLETE unsigned int stateCnt = i386_THREAD_STATE_COUNT; -// OBSOLETE int index; -// OBSOLETE -// OBSOLETE if (!MACH_PORT_VALID (current_thread)) -// OBSOLETE error ("fetch inferior registers: Invalid thread"); -// OBSOLETE -// OBSOLETE if (must_suspend_thread) -// OBSOLETE setup_thread (current_thread, 1); -// OBSOLETE -// OBSOLETE ret = thread_get_state (current_thread, -// OBSOLETE i386_THREAD_STATE, -// OBSOLETE state, -// OBSOLETE &stateCnt); -// OBSOLETE -// OBSOLETE if (ret != KERN_SUCCESS) -// OBSOLETE warning ("fetch_inferior_registers: %s ", -// OBSOLETE mach_error_string (ret)); -// OBSOLETE #if 0 -// OBSOLETE /* It may be more effective to store validate all of them, -// OBSOLETE * since we fetched them all anyway -// OBSOLETE */ -// OBSOLETE else if (regno != -1) -// OBSOLETE supply_register (regno, (char *) state + reg_offset[regno]); -// OBSOLETE #endif -// OBSOLETE else -// OBSOLETE { -// OBSOLETE for (index = 0; index < NUM_REGS; index++) -// OBSOLETE supply_register (index, (char *) state + reg_offset[index]); -// OBSOLETE } -// OBSOLETE -// OBSOLETE if (must_suspend_thread) -// OBSOLETE setup_thread (current_thread, 0); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Store our register values back into the inferior. -// OBSOLETE * If REGNO is -1, do this for all registers. -// OBSOLETE * Otherwise, REGNO specifies which register -// OBSOLETE * -// OBSOLETE * On mach3 all registers are always saved in one call. -// OBSOLETE */ -// OBSOLETE void -// OBSOLETE store_inferior_registers (int regno) -// OBSOLETE { -// OBSOLETE kern_return_t ret; -// OBSOLETE thread_state_data_t state; -// OBSOLETE unsigned int stateCnt = i386_THREAD_STATE_COUNT; -// OBSOLETE register int index; -// OBSOLETE -// OBSOLETE if (!MACH_PORT_VALID (current_thread)) -// OBSOLETE error ("store inferior registers: Invalid thread"); -// OBSOLETE -// OBSOLETE if (must_suspend_thread) -// OBSOLETE setup_thread (current_thread, 1); -// OBSOLETE -// OBSOLETE /* Fetch the state of the current thread */ -// OBSOLETE ret = thread_get_state (current_thread, -// OBSOLETE i386_THREAD_STATE, -// OBSOLETE state, -// OBSOLETE &stateCnt); -// OBSOLETE -// OBSOLETE if (ret != KERN_SUCCESS) -// OBSOLETE { -// OBSOLETE warning ("store_inferior_registers (get): %s", -// OBSOLETE mach_error_string (ret)); -// OBSOLETE if (must_suspend_thread) -// OBSOLETE setup_thread (current_thread, 0); -// OBSOLETE return; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* move gdb's registers to thread's state -// OBSOLETE -// OBSOLETE * Since we save all registers anyway, save the ones -// OBSOLETE * that gdb thinks are valid (e.g. ignore the regno -// OBSOLETE * parameter) -// OBSOLETE */ -// OBSOLETE #if 0 -// OBSOLETE if (regno != -1) -// OBSOLETE STORE_REGS (state, regno, 1); -// OBSOLETE else -// OBSOLETE #endif -// OBSOLETE { -// OBSOLETE for (index = 0; index < NUM_REGS; index++) -// OBSOLETE STORE_REGS (state, index, 1); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Write gdb's current view of register to the thread -// OBSOLETE */ -// OBSOLETE ret = thread_set_state (current_thread, -// OBSOLETE i386_THREAD_STATE, -// OBSOLETE state, -// OBSOLETE i386_THREAD_STATE_COUNT); -// OBSOLETE -// OBSOLETE if (ret != KERN_SUCCESS) -// OBSOLETE warning ("store_inferior_registers (set): %s", -// OBSOLETE mach_error_string (ret)); -// OBSOLETE -// OBSOLETE if (must_suspend_thread) -// OBSOLETE setup_thread (current_thread, 0); -// OBSOLETE } -// OBSOLETE -// OBSOLETE -// OBSOLETE -// OBSOLETE /* Return the address in the core dump or inferior of register REGNO. -// OBSOLETE * BLOCKEND should be the address of the end of the UPAGES area read -// OBSOLETE * in memory, but it's not? -// OBSOLETE * -// OBSOLETE * Currently our UX server dumps the whole thread state to the -// OBSOLETE * core file. If your UX does something else, adapt the routine -// OBSOLETE * below to return the offset to the given register. -// OBSOLETE * -// OBSOLETE * Called by core-aout.c(fetch_core_registers) -// OBSOLETE */ -// OBSOLETE -// OBSOLETE CORE_ADDR -// OBSOLETE register_addr (int regno, CORE_ADDR blockend) -// OBSOLETE { -// OBSOLETE CORE_ADDR addr; -// OBSOLETE -// OBSOLETE if (regno < 0 || regno >= NUM_REGS) -// OBSOLETE error ("Invalid register number %d.", regno); -// OBSOLETE -// OBSOLETE /* UAREA_SIZE == 8 kB in i386 */ -// OBSOLETE addr = (unsigned int) REG_ADDRESS (UAREA_SIZE - sizeof (struct i386_thread_state), regno); -// OBSOLETE -// OBSOLETE return addr; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* jtv@hut.fi: I copied and modified this 387 code from -// OBSOLETE * gdb/i386-xdep.c. Modifications for Mach 3.0. -// OBSOLETE * -// OBSOLETE * i387 status dumper. See also i387-tdep.c -// OBSOLETE */ -// OBSOLETE struct env387 -// OBSOLETE { -// OBSOLETE unsigned short control; -// OBSOLETE unsigned short r0; -// OBSOLETE unsigned short status; -// OBSOLETE unsigned short r1; -// OBSOLETE unsigned short tag; -// OBSOLETE unsigned short r2; -// OBSOLETE unsigned long eip; -// OBSOLETE unsigned short code_seg; -// OBSOLETE unsigned short opcode; -// OBSOLETE unsigned long operand; -// OBSOLETE unsigned short operand_seg; -// OBSOLETE unsigned short r3; -// OBSOLETE unsigned char regs[8][10]; -// OBSOLETE }; -// OBSOLETE /* This routine is machine independent? -// OBSOLETE * Should move it to i387-tdep.c but you need to export struct env387 -// OBSOLETE */ -// OBSOLETE private -// OBSOLETE print_387_status (unsigned short status, struct env387 *ep) -// OBSOLETE { -// OBSOLETE int i; -// OBSOLETE int bothstatus; -// OBSOLETE int top; -// OBSOLETE int fpreg; -// OBSOLETE unsigned char *p; -// OBSOLETE -// OBSOLETE bothstatus = ((status != 0) && (ep->status != 0)); -// OBSOLETE if (status != 0) -// OBSOLETE { -// OBSOLETE if (bothstatus) -// OBSOLETE printf_unfiltered ("u: "); -// OBSOLETE print_387_status_word (status); -// OBSOLETE } -// OBSOLETE -// OBSOLETE if (ep->status != 0) -// OBSOLETE { -// OBSOLETE if (bothstatus) -// OBSOLETE printf_unfiltered ("e: "); -// OBSOLETE print_387_status_word (ep->status); -// OBSOLETE } -// OBSOLETE -// OBSOLETE print_387_control_word (ep->control); -// OBSOLETE printf_unfiltered ("last exception: "); -// OBSOLETE printf_unfiltered ("opcode %s; ", local_hex_string (ep->opcode)); -// OBSOLETE printf_unfiltered ("pc %s:", local_hex_string (ep->code_seg)); -// OBSOLETE printf_unfiltered ("%s; ", local_hex_string (ep->eip)); -// OBSOLETE printf_unfiltered ("operand %s", local_hex_string (ep->operand_seg)); -// OBSOLETE printf_unfiltered (":%s\n", local_hex_string (ep->operand)); -// OBSOLETE -// OBSOLETE top = (ep->status >> 11) & 7; -// OBSOLETE -// OBSOLETE printf_unfiltered ("regno tag msb lsb value\n"); -// OBSOLETE for (fpreg = 7; fpreg >= 0; fpreg--) -// OBSOLETE { -// OBSOLETE double val; -// OBSOLETE -// OBSOLETE printf_unfiltered ("%s %d: ", fpreg == top ? "=>" : " ", fpreg); -// OBSOLETE -// OBSOLETE switch ((ep->tag >> (fpreg * 2)) & 3) -// OBSOLETE { -// OBSOLETE case 0: -// OBSOLETE printf_unfiltered ("valid "); -// OBSOLETE break; -// OBSOLETE case 1: -// OBSOLETE printf_unfiltered ("zero "); -// OBSOLETE break; -// OBSOLETE case 2: -// OBSOLETE printf_unfiltered ("trap "); -// OBSOLETE break; -// OBSOLETE case 3: -// OBSOLETE printf_unfiltered ("empty "); -// OBSOLETE break; -// OBSOLETE } -// OBSOLETE for (i = 9; i >= 0; i--) -// OBSOLETE printf_unfiltered ("%02x", ep->regs[fpreg][i]); -// OBSOLETE -// OBSOLETE floatformat_to_double (&floatformat_i387_ext, (char *) ep->regs[fpreg], -// OBSOLETE &val); -// OBSOLETE printf_unfiltered (" %g\n", val); -// OBSOLETE } -// OBSOLETE if (ep->r0) -// OBSOLETE printf_unfiltered ("warning: reserved0 is %s\n", local_hex_string (ep->r0)); -// OBSOLETE if (ep->r1) -// OBSOLETE printf_unfiltered ("warning: reserved1 is %s\n", local_hex_string (ep->r1)); -// OBSOLETE if (ep->r2) -// OBSOLETE printf_unfiltered ("warning: reserved2 is %s\n", local_hex_string (ep->r2)); -// OBSOLETE if (ep->r3) -// OBSOLETE printf_unfiltered ("warning: reserved3 is %s\n", local_hex_string (ep->r3)); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* -// OBSOLETE * values that go into fp_kind (from <i386/fpreg.h>) -// OBSOLETE */ -// OBSOLETE #define FP_NO 0 /* no fp chip, no emulator (no fp support) */ -// OBSOLETE #define FP_SW 1 /* no fp chip, using software emulator */ -// OBSOLETE #define FP_HW 2 /* chip present bit */ -// OBSOLETE #define FP_287 2 /* 80287 chip present */ -// OBSOLETE #define FP_387 3 /* 80387 chip present */ -// OBSOLETE -// OBSOLETE typedef struct fpstate -// OBSOLETE { -// OBSOLETE #if 1 -// OBSOLETE unsigned char state[FP_STATE_BYTES]; /* "hardware" state */ -// OBSOLETE #else -// OBSOLETE struct env387 state; /* Actually this */ -// OBSOLETE #endif -// OBSOLETE int status; /* Duplicate status */ -// OBSOLETE } -// OBSOLETE *fpstate_t; -// OBSOLETE -// OBSOLETE /* Mach 3 specific routines. -// OBSOLETE */ -// OBSOLETE private boolean_t -// OBSOLETE get_i387_state (struct fpstate *fstate) -// OBSOLETE { -// OBSOLETE kern_return_t ret; -// OBSOLETE thread_state_data_t state; -// OBSOLETE unsigned int fsCnt = i386_FLOAT_STATE_COUNT; -// OBSOLETE struct i386_float_state *fsp; -// OBSOLETE -// OBSOLETE ret = thread_get_state (current_thread, -// OBSOLETE i386_FLOAT_STATE, -// OBSOLETE state, -// OBSOLETE &fsCnt); -// OBSOLETE -// OBSOLETE if (ret != KERN_SUCCESS) -// OBSOLETE { -// OBSOLETE warning ("Can not get live floating point state: %s", -// OBSOLETE mach_error_string (ret)); -// OBSOLETE return FALSE; -// OBSOLETE } -// OBSOLETE -// OBSOLETE fsp = (struct i386_float_state *) state; -// OBSOLETE /* The 387 chip (also 486 counts) or a software emulator? */ -// OBSOLETE if (!fsp->initialized || (fsp->fpkind != FP_387 && fsp->fpkind != FP_SW)) -// OBSOLETE return FALSE; -// OBSOLETE -// OBSOLETE /* Clear the target then copy thread's float state there. -// OBSOLETE Make a copy of the status word, for some reason? -// OBSOLETE */ -// OBSOLETE memset (fstate, 0, sizeof (struct fpstate)); -// OBSOLETE -// OBSOLETE fstate->status = fsp->exc_status; -// OBSOLETE -// OBSOLETE memcpy (fstate->state, (char *) &fsp->hw_state, FP_STATE_BYTES); -// OBSOLETE -// OBSOLETE return TRUE; -// OBSOLETE } -// OBSOLETE -// OBSOLETE private boolean_t -// OBSOLETE get_i387_core_state (struct fpstate *fstate) -// OBSOLETE { -// OBSOLETE /* Not implemented yet. Core files do not contain float state. */ -// OBSOLETE return FALSE; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* -// OBSOLETE * This is called by "info float" command -// OBSOLETE */ -// OBSOLETE void -// OBSOLETE i386_mach3_float_info (void) -// OBSOLETE { -// OBSOLETE char buf[sizeof (struct fpstate) + 2 * sizeof (int)]; -// OBSOLETE boolean_t valid = FALSE; -// OBSOLETE fpstate_t fps; -// OBSOLETE -// OBSOLETE if (target_has_execution) -// OBSOLETE valid = get_i387_state (buf); -// OBSOLETE #if 0 -// OBSOLETE else if (WE HAVE CORE FILE) /* @@@@ Core files not supported */ -// OBSOLETE valid = get_i387_core_state (buf); -// OBSOLETE #endif -// OBSOLETE -// OBSOLETE if (!valid) -// OBSOLETE { -// OBSOLETE warning ("no floating point status saved"); -// OBSOLETE return; -// OBSOLETE } -// OBSOLETE -// OBSOLETE fps = (fpstate_t) buf; -// OBSOLETE -// OBSOLETE print_387_status (fps->status, (struct env387 *) fps->state); -// OBSOLETE } |