* config/i386/tm-i386.h: New file containing generic i*86 target
definitions. (TARGET_BYTE_ORDER): Moved here from tm-i386v.h. (IEEE_FLOAT): Moved here from tm-i386v.h. (START_INFERIOR_TRAPS_EXPECTED): Define default as 2. (FUNCTION_START_OFFSET): Moved here from tm-i386v.h. (SKIP_PROLOGUE): Moved here from tm-i386v.h. (SAVED_PC_AFTER_CALL): Moved here from tm-i386v.h. (INNER_THAN): Moved here from tm-i386v.h. (BREAKPOINT): Moved here from tm-i386v.h. (DECR_PC_AFTER_BREAK): Moved here from tm-i386v.h. (ABOUT_TO_RETURN): Moved here from tm-i386v.h. (REGISTER_SIZE): Moved here from tm-i386v.h. (NUM_REGS): Moved here from tm-i386v.h. (REGISTER_NAMES): Moved here from tm-i386v.h. (EXTRACT_STRUCT_VALUE_ADDRESS): Moved here from tm-i386v.h. (FP_REGNUM): Moved here from tm-i386v.h. (SP_REGNUM): Moved here from tm-i386v.h. (PC_REGNUM): Moved here from tm-i386v.h. (PS_REGNUM): Moved here from tm-i386v.h. (FP0_REGNUM): Moved here from tm-i386aix.h. (FPC_REGNUM): Moved here from tm-sun386.h. (REGISTER_BYTES): Moved here from tm-i386aix.h. (REGISTER_BYTE): Moved here from tm-i386aix.h. (REGISTER_RAW_SIZE): Moved here from tm-i386aix.h. (MAX_REGISTER_RAW_SIZE): Moved here from tm-i386aix.h. (REGISTER_VIRTUAL_SIZE): Moved here from tm-i386aix.h. (MAX_REGISTER_VIRTUAL_SIZE): Moved here from tm-i386aix.h. (EXTRACT_RETURN_VALUE): Moved here from tm-i386aix.h. (STORE_RETURN_VALUE): Moved here from tm-i386aix.h. (REGISTER_VIRTUAL_TYPE): Moved here from tm-i386v.h. (STORE_STRUCT_RETURN): Moved here from tm-i386v.h. (FRAME_CHAIN): Moved here from tm-i386v4.h. (FRAMELESS_FUNCTION_INVOCATION): Moved here from tm-i386v4.h. (FRAME_SAVED_PC): Moved here from tm-i386os9k.h (FRAME_ARGS_ADDRESS): Moved here from tm-i386v.h. (FRAME_LOCALS_ADDRESS): Moved here from tm-i386v.h. (FRAME_NUM_ARGS): Moved here from tm-i386sun.h. (FRAME_ARGS_SKIP): Moved here from tm-i386v.h. (FRAME_FIND_SAVED_REGS): Moved here from tm-i386v.h. (PUSH_DUMMY_FRAME): Moved here from tm-i386v.h. (POP_FRAME): Moved here from tm-i386v.h. (CALL_DUMMY, CALL_DUMMY_LENGTH, CALL_DUMMY_START_OFFSET, CALL_DUMMY_BREAKPOINT_OFFSET, FIX_CALL_DUMMY): Moved here from tm-i386v.h (print_387_control_word, print_387_status_word): Declare prototypes. (struct frame_info, struct frame_saved_regs): Forward decls for prototypes. (SP_ARG0): Moved here from tm-i386v.h. * config/i386/tm-i386v.h: (i386/tm-i386.h): Include. (TARGET_BYTE_ORDER): Remove. (IEEE_FLOAT): Remove. (START_INFERIOR_TRAPS_EXPECTED): Undef before redefine to 4. (FUNCTION_START_OFFSET): Remove. (SKIP_PROLOGUE): Remove. (i386_skip_prologue): Remove prototype. (SAVED_PC_AFTER_CALL): Remove. (INNER_THAN): Remove. (BREAKPOINT): Remove. (DECR_PC_AFTER_BREAK): Remove. (ABOUT_TO_RETURN): Remove. (REGISTER_SIZE): Remove. (NUM_REGS): Undef before redefine to 16 (no FP support). (REGISTER_NAMES): Undef before redefine. (FP_REGNUM, SP_REGNUM, PC_REGNUM, PS_REGNUM): Remove. (REGISTER_BYTES): Undef before redefine. (REGISTER_BYTE): Undef before redefine. (REGISTER_RAW_SIZE): Undef before redefine. (REGISTER_VIRTUAL_SIZE): Undef before redefine. (MAX_REGISTER_RAW_SIZE): Undef before redefine. (MAX_REGISTER_VIRTUAL_SIZE): Undef before redefine. (REGISTER_VIRTUAL_TYPE): Undef before redefine. (STORE_STRUCT_RETURN): Undef before redefine. (EXTRACT_RETURN_VALUE): Undef before redefine. (STORE_RETURN_VALUE): Undef before redefine. (EXTRACT_STRUCT_VALUE_ADDRESS): Remove. (FRAME_CHAIN): Undef before redefine. (FRAMELESS_FUNCTION_INVOCATION): Undef before redefine. (FRAME_SAVED_PC): Undef before redefine. (FRAME_ARGS_ADDRESS): Remove. (FRAME_LOCALS_ADDRESS): Remove. (FRAME_NUM_ARGS): Undef before redefine. (FRAME_ARGS_SKIP): Remove. (FRAME_FIND_SAVED_REGS): Remove. (PUSH_DUMMY_FRAME): Remove. (POP_FRAME): Remove. (CALL_DUMMY): Remove. (CALL_DUMMY_LENGTH): Remove. (CALL_DUMMY_START_OFFSET): Remove. (CALL_DUMMY_BREAKPOINT_OFFSET): Remove (FIX_CALL_DUMMY): Remove. (print_387_control_word): Remove. (print_387_status_word): Remove. (SP_ARG0): Remove. * config/i386/tm-symmetry.h: (TM_SYMMETRY_H): Enclose file in test for define & define if needed. (START_INFERIOR_TRAPS_EXPECTED): Move to after inclusion of tm-i386v4.h or tm-i386v.h, #undef, and #define back to 2. (DECR_PC_AFTER_BREAK): Move to after inclusion of tm-i386v4.h or tm-i386v.h, #undef, and #define to 0. (MAX_REGISTER_RAW_SIZE): Remove. (FRAME_CHAIN): Remove. (FRAMELESS_FUNCTION_INVOCATION): Remove. (FRAME_SAVED_PC): Remove. (print_387_control_word, print_387_status_word): Remove prototypes. * config/i386/tm-ptx.h: (TM_PTX_H): Enclose file in test for define & define if needed. (START_INFERIOR_TRAPS_EXPECTED): Move to after inclusion of tm-i386v4.h or tm-i386v.h, #undef, and #define back to 2. (DECR_PC_AFTER_BREAK): Move to after inclusion of tm-i386v4.h or tm-i386v.h, #undef, and #define to 0. (SDB_REG_TO_REGNUM): Remove obsolete commented out define. (print_387_control_word, print_387_status_word): Remove prototypes. * config/i386/tm-linux.h: (TM_LINUX_H): Enclose file in test for define & define if needed. (i386/tm-i386.h): Include instead of tm-i386v.h. (START_INFERIOR_TRAPS_EXPECTED): Remove. * config/i386/tm-i386v4.h: (TM_I386V4_H): Enclose file in test for define & define if needed. (i386/tm-i386.h): Include instead of tm-i386v.h. (START_INFERIOR_TRAPS_EXPECTED): Remove. (FRAME_CHAIN): Moved to tm-i386.h. (FRAMELESS_FUNCTION_INVOCATION): Moved to tm-i386.h. (FRAME_SAVED_PC): Remove. (sigtramp_saved_pc): Define as i386v4_sigtramp_saved_pc. (FRAME_NUM_ARGS): Remove. * config/i386/tm-i386os9k.h: (TM_I386OS9K_H): Enclose file in test for define & define if needed. (i386/tm-i386.h): Include instead of tm-i386v.h. (START_INFERIOR_TRAPS_EXPECTED): Remove. (NUM_REGS): Undefine before redefining. (FRAME_CHAIN): Remove. (FRAMELESS_FUNCTION_INVOCATION): Remove. (FRAME_SAVED_PC): Move to tm-i386.h. * config/i386/tm-i386nw.h: (TM_I386NW_H): Enclose file in test for define & define if needed. (i386/tm-i386.h): Include instead of tm-i386v.h. (START_INFERIOR_TRAPS_EXPECTED): Remove. * config/i386/tm-i386bsd.h: (TM_I386BSD_H): Enclose file in test for define & define if needed. (i386/tm-i386.h): Include instead of tm-i386v.h. (START_INFERIOR_TRAPS_EXPECTED): Remove. (FRAMELESS_FUNCTION_INVOCATION): Remove. (FRAME_SAVED_PC): Remove. * config/i386/tm-i386aix.h: (i386/tm-i386.h): Include instead of tm-i386v.h. (START_INFERIOR_TRAPS_EXPECTED): Remove. (FP_REGNUM): Remove. (SP_REGNUM): Remove. (PC_REGNUM): Remove. (PS_REGNUM): Remove. (FP0_REGNUM): Moved to tm-i386.h. (NUM_REGS): Remove. (REGISTER_NAMES): Remove. (REGISTER_BYTES): Moved to tm-i386.h. (REGISTER_BYTE): Moved to tm-i386.h. (REGISTER_RAW_SIZE): Moved to tm-i386.h. (MAX_REGISTER_RAW_SIZE): Moved to tm-i386.h. (REGISTER_VIRTUAL_SIZE): Moved to tm-i386.h. (REGISTER_VIRTUAL_TYPE): Removed. (EXTRACT_RETURN_VALUE): Moved to tm-i386.h. (STORE_RETURN_VALUE): Moved to tm-i386.h. * config/i386/tm-sun386.h: (TM_SUN386_H): Enclose file in test for define & define if needed. (i386/tm-i386.h): Include. (TARGET_BYTE_ORDER): Remove. (FUNCTION_START_OFFSET): Remove. (SKIP_PROLOGUE): Remove. (SAVED_PC_AFTER_CALL): Remove. (INNER_THAN): Remove. (BREAKPOINT): Remove. (DECR_PC_AFTER_BREAK): Remove. (ABOUT_TO_RETURN): Remove. (REGISTER_SIZE): Remove. (NUM_REGS): Undefine before defining. (REGISTER_NAMES): Undefine before redefining. (REGISTER_BYTES): Undefine before redefining. (REGISTER_BYTE): Undefine before defining. (FP_REGNUM): Undefine before defining. (PC_REGNUM): Undefine before defining. (FPC_REGNUM): Undefine before defining. (REGISTER_RAW_SIZE): Undefine before defining. (FRAME_CHAIN): Undefine before defining. (FRAMELESS_FUNCTION_INVOCATION): Undefine before defining. (FRAME_SAVED_PC): Undefine before defining. (FRAME_NUM_ARGS): Moved to tm-i386.h. (MAX_REGISTER_RAW_SIZE): Remove. (MAX_REGISTER_VIRTUAL_SIZE): Remove. (STORE_STRUCT_RETURN): Remove. (EXTRACT_STRUCT_VALUE_ADDRESS): Remove. (FRAME_ARGS_ADDRESS): Remove. (FRAME_LOCALS_ADDRESS): Remove. (FRAME_NUM_ARGS): Undefine before defining. (FRAME_ARGS_SKIP): Remove. (FRAME_FIND_SAVED_REGS): Remove. (PUSH_DUMMY_FRAME): Remove. (POP_FRAME): Remove. (CALL_DUMMY, CALL_DUMMY_LENGTH, CALL_DUMMY_START_OFFSET): Remove. (struct frame_info, struct frame_saved_regs): Remove forward decls for prototypes. * config/i386/tm-i386lynx.h (i386/tm-i386.h): Include instead of tm-i386v.h. * config/i386/tm-i386m3.h (i386/tm-i386.h): Include instead of tm-i386v.h.
This commit is contained in:
Fred Fish
parent
7ff82a593d
commit
7ee7dc27b0
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@ -79,6 +79,7 @@ sun386.mh
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sun386.mt
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symmetry.mh
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symmetry.mt
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tm-i386.h
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tm-i386aix.h
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tm-i386bsd.h
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tm-i386lynx.h
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@ -0,0 +1,310 @@
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/* Macro definitions for GDB on an Intel i[345]86.
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Copyright (C) 1995 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#ifndef TM_I386_H
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#define TM_I386_H 1
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#ifdef __STDC__ /* Forward decl's for prototypes */
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struct frame_info;
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struct frame_saved_regs;
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struct type;
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#endif
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#define TARGET_BYTE_ORDER LITTLE_ENDIAN
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/* Used for example in valprint.c:print_floating() to enable checking
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for NaN's */
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#define IEEE_FLOAT
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/* Number of traps that happen between exec'ing the shell to run an
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inferior, and when we finally get to the inferior code. This is 2
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on most implementations. */
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#define START_INFERIOR_TRAPS_EXPECTED 2
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/* Offset from address of function to start of its code.
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Zero on most machines. */
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#define FUNCTION_START_OFFSET 0
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/* Advance PC across any function entry prologue instructions to reach some
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"real" code. */
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#define SKIP_PROLOGUE(frompc) {(frompc) = i386_skip_prologue((frompc));}
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extern int i386_skip_prologue PARAMS ((int));
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/* Immediately after a function call, return the saved pc. Can't always go
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through the frames for this because on some machines the new frame is not
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set up until the new function executes some instructions. */
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#define SAVED_PC_AFTER_CALL(frame) (read_memory_integer (read_register (SP_REGNUM), 4))
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/* Stack grows downward. */
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#define INNER_THAN <
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/* Sequence of bytes for breakpoint instruction. */
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#define BREAKPOINT {0xcc}
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/* Amount PC must be decremented by after a breakpoint. This is often the
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number of bytes in BREAKPOINT but not always. */
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#define DECR_PC_AFTER_BREAK 1
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/* Nonzero if instruction at PC is a return instruction. */
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#define ABOUT_TO_RETURN(pc) (read_memory_integer ((pc), 1) == 0xc3)
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/* Say how long (ordinary) registers are. This is a piece of bogosity
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used in push_word and a few other places; REGISTER_RAW_SIZE is the
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real way to know how big a register is. */
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#define REGISTER_SIZE 4
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/* Number of machine registers */
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#define NUM_FREGS 0 /*8*/ /* Number of FP regs */
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#define NUM_REGS (16 + NUM_FREGS) /* Basic i*86 regs + FP regs */
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/* Initializer for an array of names of registers. There should be at least
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NUM_REGS strings in this initializer. Any excess ones are simply ignored.
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The order of the first 8 registers must match the compiler's numbering
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scheme (which is the same as the 386 scheme) and also regmap in the various
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*-nat.c files. */
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#define REGISTER_NAMES { "eax", "ecx", "edx", "ebx", \
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"esp", "ebp", "esi", "edi", \
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"eip", "eflags", "cs", "ss", \
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"ds", "es", "fs", "gs", \
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"st0", "st1", "st2", "st3", \
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"st4", "st5", "st6", "st7", \
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}
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/* Register numbers of various important registers.
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Note that some of these values are "real" register numbers,
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and correspond to the general registers of the machine,
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and some are "phony" register numbers which are too large
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to be actual register numbers as far as the user is concerned
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but do serve to get the desired values when passed to read_register. */
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#define FP_REGNUM 5 /* (ebp) Contains address of executing stack frame */
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#define SP_REGNUM 4 /* (usp) Contains address of top of stack */
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#define PC_REGNUM 8 /* (eip) Contains program counter */
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#define PS_REGNUM 9 /* (ps) Contains processor status */
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#define FP0_REGNUM 16 /* (st0) 387 register */
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#define FPC_REGNUM 25 /* 80387 control register */
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/* Total amount of space needed to store our copies of the machine's register
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state, the array `registers'. Default is 16 i*86 registers and 8 floating
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point registers. */
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#define REGISTER_BYTES (16*4 + 8*10)
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/* Index within `registers' of the first byte of the space for register N. */
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#define REGISTER_BYTE(N) \
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(((N) < FP0_REGNUM) ? ((N) * 4) : ((((N) - FP0_REGNUM) * 10) + 64))
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/* Number of bytes of storage in the actual machine representation for
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register N. All registers are 4 bytes, except 387 st(0) - st(7),
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which are 80 bits each. */
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#define REGISTER_RAW_SIZE(N) (((N) < FP0_REGNUM) ? 4 : 10)
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/* Largest value REGISTER_RAW_SIZE can have. */
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#define MAX_REGISTER_RAW_SIZE 10
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/* Number of bytes of storage in the program's representation
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for register N. */
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#define REGISTER_VIRTUAL_SIZE(N) (((N) < FP0_REGNUM) ? 4 : 8)
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/* Largest value REGISTER_VIRTUAL_SIZE can have. */
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#define MAX_REGISTER_VIRTUAL_SIZE 8
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/* Return the GDB type object for the "standard" data type of data in
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register N. Perhaps si and di should go here, but potentially they
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could be used for things other than address. */
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#define REGISTER_VIRTUAL_TYPE(N) \
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(((N) == PC_REGNUM || (N) == FP_REGNUM || (N) == SP_REGNUM) \
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? lookup_pointer_type (builtin_type_void) \
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: (((N) < FP0_REGNUM) \
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? builtin_type_int \
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: builtin_type_double))
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/* Store the address of the place in which to copy the structure the
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subroutine will return. This is called from call_function. */
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#define STORE_STRUCT_RETURN(ADDR, SP) \
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{ (SP) -= sizeof (ADDR); \
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write_memory ((SP), (char *) &(ADDR), sizeof (ADDR)); }
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/* Extract from an array REGBUF containing the (raw) register state
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a function return value of type TYPE, and copy that, in virtual format,
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into VALBUF. */
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#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
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i386_extract_return_value ((TYPE),(REGBUF),(VALBUF))
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extern void i386_extract_return_value PARAMS ((struct type *, char [], char *));
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/* Write into appropriate registers a function return value of type TYPE, given
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in virtual format. */
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#define STORE_RETURN_VALUE(TYPE,VALBUF) \
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{ \
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if (TYPE_CODE (TYPE) == TYPE_CODE_FLT) \
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write_register_bytes (REGISTER_BYTE (FP0_REGNUM), (VALBUF), \
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TYPE_LENGTH (TYPE)); \
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else \
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write_register_bytes (0, (VALBUF), TYPE_LENGTH (TYPE)); \
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}
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/* Extract from an array REGBUF containing the (raw) register state the address
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in which a function should return its structure value, as a CORE_ADDR (or an
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expression that can be used as one). */
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#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(int *)(REGBUF))
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/* The following redefines make backtracing through sigtramp work.
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They manufacture a fake sigtramp frame and obtain the saved pc in sigtramp
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from the sigcontext structure which is pushed by the kernel on the
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user stack, along with a pointer to it. */
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/* FRAME_CHAIN takes a frame's nominal address and produces the frame's
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chain-pointer.
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In the case of the i386, the frame's nominal address
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is the address of a 4-byte word containing the calling frame's address. */
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#define FRAME_CHAIN(thisframe) \
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((thisframe)->signal_handler_caller \
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? (thisframe)->frame \
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: (!inside_entry_file ((thisframe)->pc) \
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? read_memory_integer ((thisframe)->frame, 4) \
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: 0))
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/* A macro that tells us whether the function invocation represented
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by FI does not have a frame on the stack associated with it. If it
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does not, FRAMELESS is set to 1, else 0. */
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#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) \
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do { \
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if ((FI)->signal_handler_caller) \
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(FRAMELESS) = 0; \
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else \
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(FRAMELESS) = frameless_look_for_prologue(FI); \
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} while (0)
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/* Saved Pc. Get it from sigcontext if within sigtramp. */
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#define FRAME_SAVED_PC(FRAME) \
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(((FRAME)->signal_handler_caller \
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? sigtramp_saved_pc (FRAME) \
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: read_memory_integer ((FRAME)->frame + 4, 4)) \
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)
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extern CORE_ADDR sigtramp_saved_pc PARAMS ((struct frame_info *));
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#define FRAME_ARGS_ADDRESS(fi) ((fi)->frame)
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#define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame)
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/* Return number of args passed to a frame. Can return -1, meaning no way
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to tell, which is typical now that the C compiler delays popping them. */
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#define FRAME_NUM_ARGS(numargs, fi) (numargs) = i386_frame_num_args(fi)
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extern int i386_frame_num_args PARAMS ((struct frame_info *));
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/* Return number of bytes at start of arglist that are not really args. */
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#define FRAME_ARGS_SKIP 8
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/* Put here the code to store, into a struct frame_saved_regs,
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the addresses of the saved registers of frame described by FRAME_INFO.
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This includes special registers such as pc and fp saved in special
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ways in the stack frame. sp is even more special:
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the address we return for it IS the sp for the next frame. */
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#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \
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{ i386_frame_find_saved_regs ((frame_info), &(frame_saved_regs)); }
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extern void i386_frame_find_saved_regs PARAMS ((struct frame_info *,
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struct frame_saved_regs *));
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/* Things needed for making the inferior call functions. */
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|
||||
/* Push an empty stack frame, to record the current PC, etc. */
|
||||
|
||||
#define PUSH_DUMMY_FRAME { i386_push_dummy_frame (); }
|
||||
|
||||
extern void i386_push_dummy_frame PARAMS ((void));
|
||||
|
||||
/* Discard from the stack the innermost frame, restoring all registers. */
|
||||
|
||||
#define POP_FRAME { i386_pop_frame (); }
|
||||
|
||||
extern void i386_pop_frame PARAMS ((void));
|
||||
|
||||
|
||||
/* this is
|
||||
* call 11223344 (32 bit relative)
|
||||
* int3
|
||||
*/
|
||||
|
||||
#define CALL_DUMMY { 0x223344e8, 0xcc11 }
|
||||
|
||||
#define CALL_DUMMY_LENGTH 8
|
||||
|
||||
#define CALL_DUMMY_START_OFFSET 0 /* Start execution at beginning of dummy */
|
||||
|
||||
#define CALL_DUMMY_BREAKPOINT_OFFSET 5
|
||||
|
||||
/* Insert the specified number of args and function address
|
||||
into a call sequence of the above form stored at DUMMYNAME. */
|
||||
|
||||
#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \
|
||||
{ \
|
||||
int from, to, delta, loc; \
|
||||
loc = (int)(read_register (SP_REGNUM) - CALL_DUMMY_LENGTH); \
|
||||
from = loc + 5; \
|
||||
to = (int)(fun); \
|
||||
delta = to - from; \
|
||||
*((char *)(dummyname) + 1) = (delta & 0xff); \
|
||||
*((char *)(dummyname) + 2) = ((delta >> 8) & 0xff); \
|
||||
*((char *)(dummyname) + 3) = ((delta >> 16) & 0xff); \
|
||||
*((char *)(dummyname) + 4) = ((delta >> 24) & 0xff); \
|
||||
}
|
||||
|
||||
extern void print_387_control_word PARAMS ((unsigned int));
|
||||
extern void print_387_status_word PARAMS ((unsigned int));
|
||||
|
||||
/* Offset from SP to first arg on stack at first instruction of a function */
|
||||
|
||||
#define SP_ARG0 (1 * 4)
|
||||
|
||||
#endif /* ifndef TM_I386_H */
|
||||
|
|
@ -22,7 +22,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|||
#ifndef TM_I386AIX_H
|
||||
#define TM_I386AIX_H 1
|
||||
|
||||
#include "i386/tm-i386v.h"
|
||||
#include "i386/tm-i386.h"
|
||||
#include <sys/reg.h>
|
||||
|
||||
#ifndef I386
|
||||
|
|
@ -32,80 +32,10 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|||
# define I386_AIX_TARGET 1
|
||||
#endif
|
||||
|
||||
/* number of traps that happen between exec'ing the shell
|
||||
* to run an inferior, and when we finally get to
|
||||
* the inferior code. This is 2 on most implementations.
|
||||
*/
|
||||
#undef START_INFERIOR_TRAPS_EXPECTED
|
||||
#define START_INFERIOR_TRAPS_EXPECTED 2
|
||||
|
||||
/* Number of machine registers */
|
||||
#undef NUM_REGS
|
||||
#define NUM_REGS 24 /* 16+8 */
|
||||
|
||||
/* Initializer for an array of names of registers.
|
||||
There should be NUM_REGS strings in this initializer. */
|
||||
|
||||
/* the order of the first 8 registers must match the compiler's
|
||||
* numbering scheme (which is the same as the 386 scheme)
|
||||
* also, this table must match regmap in i386-pinsn.c.
|
||||
*/
|
||||
#undef REGISTER_NAMES
|
||||
#define REGISTER_NAMES { "eax", "ecx", "edx", "ebx", \
|
||||
"esp", "ebp", "esi", "edi", \
|
||||
"eip", "eflags", "cs", "ss", \
|
||||
"ds", "es", "fs", "gs", \
|
||||
"st0", "st1", "st2", "st3", \
|
||||
"st4", "st5", "st6", "st7", \
|
||||
}
|
||||
|
||||
/* Register numbers of various important registers.
|
||||
Note that some of these values are "real" register numbers,
|
||||
and correspond to the general registers of the machine,
|
||||
and some are "phony" register numbers which are too large
|
||||
to be actual register numbers as far as the user is concerned
|
||||
but do serve to get the desired values when passed to read_register. */
|
||||
|
||||
#undef FP_REGNUM
|
||||
#define FP_REGNUM 5 /* (ebp) Contains address of executing stack frame */
|
||||
#undef SP_REGNUM
|
||||
#define SP_REGNUM 4 /* (usp) Contains address of top of stack */
|
||||
|
||||
#undef PC_REGNUM
|
||||
#define PC_REGNUM 8 /* (eip) Contains program counter */
|
||||
#undef PS_REGNUM
|
||||
#define PS_REGNUM 9 /* (eflags) Contains processor status */
|
||||
|
||||
#define FP0_REGNUM 16 /* (st0) 387 register */
|
||||
|
||||
/* Total amount of space needed to store our copies of the machine's
|
||||
register state, the array `registers'. */
|
||||
/* 16 i386 registers and 8 i387 registers */
|
||||
#undef REGISTER_BYTES
|
||||
#define REGISTER_BYTES (16*4 + 8*10)
|
||||
|
||||
/* Index within `registers' of the first byte of the space for
|
||||
register N. */
|
||||
#undef REGISTER_BYTE
|
||||
#define REGISTER_BYTE(N) \
|
||||
((N < FP0_REGNUM) ? (N * 4) : \
|
||||
(((N - FP0_REGNUM) * 10) + 64))
|
||||
|
||||
/* Number of bytes of storage in the actual machine representation
|
||||
* for register N. All registers are 4 bytes, except 387 st(0) - st(7),
|
||||
* which are 80 bits each.
|
||||
*/
|
||||
#undef REGISTER_RAW_SIZE
|
||||
#define REGISTER_RAW_SIZE(N) \
|
||||
((N < FP0_REGNUM) ? 4 : 10)
|
||||
|
||||
/* Largest value REGISTER_RAW_SIZE can have. */
|
||||
#undef MAX_REGISTER_RAW_SIZE
|
||||
#define MAX_REGISTER_RAW_SIZE 10
|
||||
|
||||
/* Nonzero if register N requires conversion
|
||||
from raw format to virtual format. */
|
||||
#undef REGISTER_CONVERTIBLE
|
||||
|
||||
#undef REGISTER_CONVERTIBLE
|
||||
#define REGISTER_CONVERTIBLE(N) \
|
||||
((N < FP0_REGNUM) ? 0 : 1)
|
||||
|
||||
|
|
@ -134,30 +64,4 @@ i387_to_double PARAMS ((char *, char *));
|
|||
extern void
|
||||
double_to_i387 PARAMS ((char *, char *));
|
||||
|
||||
/* Return the GDB type object for the "standard" data type
|
||||
of data in register N. */
|
||||
#undef REGISTER_VIRTUAL_TYPE
|
||||
#define REGISTER_VIRTUAL_TYPE(N) \
|
||||
((N < FP0_REGNUM) ? builtin_type_int : \
|
||||
builtin_type_double)
|
||||
|
||||
/* Extract from an array REGBUF containing the (raw) register state
|
||||
a function return value of type TYPE, and copy that, in virtual format,
|
||||
into VALBUF. */
|
||||
#undef EXTRACT_RETURN_VALUE
|
||||
#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
|
||||
i386_extract_return_value (TYPE,REGBUF,VALBUF)
|
||||
|
||||
/* Write into appropriate registers a function return value
|
||||
of type TYPE, given in virtual format. */
|
||||
#undef STORE_RETURN_VALUE
|
||||
#define STORE_RETURN_VALUE(TYPE,VALBUF) \
|
||||
{ \
|
||||
if (TYPE_CODE (TYPE) == TYPE_CODE_FLT) \
|
||||
write_register_bytes (REGISTER_BYTE (FP0_REGNUM), (VALBUF), \
|
||||
TYPE_LENGTH (TYPE)); \
|
||||
else \
|
||||
write_register_bytes (0, (VALBUF), TYPE_LENGTH (TYPE)); \
|
||||
}
|
||||
|
||||
#endif /* TM_I386AIX_H */
|
||||
|
|
|
|||
|
|
@ -17,60 +17,27 @@ 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. */
|
||||
|
||||
/* Override number of expected traps from sysv. */
|
||||
#define START_INFERIOR_TRAPS_EXPECTED 2
|
||||
#ifndef TM_I386BSD_H
|
||||
#define TM_I386BSD_H 1
|
||||
|
||||
/* Most definitions from sysv could be used. */
|
||||
#include "i386/tm-i386v.h"
|
||||
#include "i386/tm-i386.h"
|
||||
|
||||
/* 386BSD cannot handle the segment registers. */
|
||||
/* BSDI can't handle them either. */
|
||||
|
||||
#undef NUM_REGS
|
||||
#define NUM_REGS 10
|
||||
|
||||
/* On 386 bsd, sigtramp is above the user stack and immediately below
|
||||
the user area. Using constants here allows for cross debugging.
|
||||
These are tested for BSDI but should work on 386BSD. */
|
||||
|
||||
#define SIGTRAMP_START 0xfdbfdfc0
|
||||
#define SIGTRAMP_END 0xfdbfe000
|
||||
|
||||
/* The following redefines make backtracing through sigtramp work.
|
||||
They manufacture a fake sigtramp frame and obtain the saved pc in sigtramp
|
||||
from the sigcontext structure which is pushed by the kernel on the
|
||||
user stack, along with a pointer to it. */
|
||||
|
||||
/* FRAME_CHAIN takes a frame's nominal address and produces the frame's
|
||||
chain-pointer.
|
||||
In the case of the i386, the frame's nominal address
|
||||
is the address of a 4-byte word containing the calling frame's address. */
|
||||
#undef FRAME_CHAIN
|
||||
#define FRAME_CHAIN(thisframe) \
|
||||
(thisframe->signal_handler_caller \
|
||||
? thisframe->frame \
|
||||
: (!inside_entry_file ((thisframe)->pc) \
|
||||
? read_memory_integer ((thisframe)->frame, 4) \
|
||||
: 0))
|
||||
|
||||
/* A macro that tells us whether the function invocation represented
|
||||
by FI does not have a frame on the stack associated with it. If it
|
||||
does not, FRAMELESS is set to 1, else 0. */
|
||||
#undef FRAMELESS_FUNCTION_INVOCATION
|
||||
#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) \
|
||||
do { \
|
||||
if ((FI)->signal_handler_caller) \
|
||||
(FRAMELESS) = 0; \
|
||||
else \
|
||||
(FRAMELESS) = frameless_look_for_prologue(FI); \
|
||||
} while (0)
|
||||
|
||||
/* Saved Pc. Get it from sigcontext if within sigtramp. */
|
||||
|
||||
/* Offset to saved PC in sigcontext, from <sys/signal.h>. */
|
||||
#define SIGCONTEXT_PC_OFFSET 20
|
||||
|
||||
#undef FRAME_SAVED_PC
|
||||
#define FRAME_SAVED_PC(FRAME) \
|
||||
(((FRAME)->signal_handler_caller \
|
||||
? sigtramp_saved_pc (FRAME) \
|
||||
: read_memory_integer ((FRAME)->frame + 4, 4)) \
|
||||
)
|
||||
#endif /* ifndef TM_I386BSD_H */
|
||||
|
|
|
|||
|
|
@ -23,7 +23,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|||
#include "tm-lynx.h"
|
||||
|
||||
/* Most definitions from sysv could be used. */
|
||||
#include "i386/tm-i386v.h"
|
||||
#include "i386/tm-i386.h"
|
||||
|
||||
#undef SAVED_PC_AFTER_CALL
|
||||
|
||||
|
|
|
|||
|
|
@ -46,7 +46,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|||
#define NAMES_HAVE_UNDERSCORE
|
||||
|
||||
/* Sigh. There should be a file for i386 but no sysv stuff in it */
|
||||
#include "i386/tm-i386v.h"
|
||||
#include "i386/tm-i386.h"
|
||||
|
||||
/* I want to test this float info code. See comment in tm-i386v.h */
|
||||
#undef FLOAT_INFO
|
||||
|
|
|
|||
|
|
@ -17,14 +17,10 @@ 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. */
|
||||
|
||||
/* Override number of expected traps from sysv. */
|
||||
#define START_INFERIOR_TRAPS_EXPECTED 2
|
||||
#ifndef TM_I386NW_H
|
||||
#define TM_I386NW_H 1
|
||||
|
||||
/* FIXME: tm-i386v.h seems to be used in a lot of target config files as a
|
||||
generic i386 target config file. The parts that are truely generic should
|
||||
be extracted out and placed in a tm-i386.h file that all the others,
|
||||
including tm-i386v.h, includes as needed. */
|
||||
#include "i386/tm-i386v.h"
|
||||
#include "i386/tm-i386.h"
|
||||
|
||||
/* Stop backtracing when we wander into main. */
|
||||
|
||||
|
|
@ -48,3 +44,6 @@ extern int
|
|||
get_longjmp_target PARAMS ((CORE_ADDR *));
|
||||
|
||||
#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)
|
||||
|
||||
#endif /* ifndef TM_I386NW_H */
|
||||
|
||||
|
|
|
|||
|
|
@ -16,20 +16,23 @@ 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. */
|
||||
|
||||
/* Override number of expected traps from sysv. */
|
||||
#define START_INFERIOR_TRAPS_EXPECTED 2
|
||||
#ifndef TM_I386OS9K_H
|
||||
#define TM_I386OS9K_H 1
|
||||
|
||||
/* Most definitions from sysv could be used. */
|
||||
#include "i386/tm-i386v.h"
|
||||
#include "i386/tm-i386.h"
|
||||
|
||||
/* 386BSD cannot handle the segment registers. */
|
||||
/* BSDI can't handle them either. */
|
||||
#if 0
|
||||
#undef NUM_REGS
|
||||
#define NUM_REGS 10
|
||||
#endif 0
|
||||
/* Number of machine registers */
|
||||
|
||||
#undef REGISTER_NAMES
|
||||
#undef NUM_REGS
|
||||
#define NUM_REGS (16) /* Basic i*86 regs */
|
||||
|
||||
/* Initializer for an array of names of registers. There should be at least
|
||||
NUM_REGS strings in this initializer. Any excess ones are simply ignored.
|
||||
The order of the first 8 registers must match the compiler's numbering
|
||||
scheme (which is the same as the 386 scheme) and also regmap in the various
|
||||
*-nat.c files. */
|
||||
|
||||
#undef REGISTER_NAMES
|
||||
#define REGISTER_NAMES { "eax", "ecx", "edx", "ebx", \
|
||||
"esp", "ebp", "esi", "edi", \
|
||||
"eip", "eflags", "cs", "ss", \
|
||||
|
|
@ -37,6 +40,10 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|||
}
|
||||
|
||||
#define DATABASE_REG 3 /* ebx */
|
||||
|
||||
/* Amount PC must be decremented by after a breakpoint. This is often the
|
||||
number of bytes in BREAKPOINT but not always (such as now). */
|
||||
|
||||
#undef DECR_PC_AFTER_BREAK
|
||||
#define DECR_PC_AFTER_BREAK 0
|
||||
|
||||
|
|
@ -46,45 +53,11 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|||
#define SIGTRAMP_START 0xfdbfdfc0
|
||||
#define SIGTRAMP_END 0xfdbfe000
|
||||
|
||||
/* The following redefines make backtracing through sigtramp work.
|
||||
They manufacture a fake sigtramp frame and obtain the saved pc in sigtramp
|
||||
from the sigcontext structure which is pushed by the kernel on the
|
||||
user stack, along with a pointer to it. */
|
||||
|
||||
/* FRAME_CHAIN takes a frame's nominal address and produces the frame's
|
||||
chain-pointer.
|
||||
In the case of the i386, the frame's nominal address
|
||||
is the address of a 4-byte word containing the calling frame's address. */
|
||||
#undef FRAME_CHAIN
|
||||
#define FRAME_CHAIN(thisframe) \
|
||||
(thisframe->signal_handler_caller \
|
||||
? thisframe->frame \
|
||||
: (!inside_entry_file ((thisframe)->pc) \
|
||||
? read_memory_integer ((thisframe)->frame, 4) \
|
||||
: 0))
|
||||
|
||||
/* A macro that tells us whether the function invocation represented
|
||||
by FI does not have a frame on the stack associated with it. If it
|
||||
does not, FRAMELESS is set to 1, else 0. */
|
||||
#undef FRAMELESS_FUNCTION_INVOCATION
|
||||
#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) \
|
||||
do { \
|
||||
if ((FI)->signal_handler_caller) \
|
||||
(FRAMELESS) = 0; \
|
||||
else \
|
||||
(FRAMELESS) = frameless_look_for_prologue(FI); \
|
||||
} while (0)
|
||||
|
||||
/* Saved Pc. Get it from sigcontext if within sigtramp. */
|
||||
|
||||
/* Offset to saved PC in sigcontext, from <sys/signal.h>. */
|
||||
#define SIGCONTEXT_PC_OFFSET 20
|
||||
|
||||
#undef FRAME_SAVED_PC(FRAME)
|
||||
#define FRAME_SAVED_PC(FRAME) \
|
||||
(((FRAME)->signal_handler_caller \
|
||||
? sigtramp_saved_pc (FRAME) \
|
||||
: read_memory_integer ((FRAME)->frame + 4, 4)) \
|
||||
)
|
||||
|
||||
#define BELIEVE_PCC_PROMOTION 1
|
||||
|
||||
#endif /* #ifndef TM_I386OS9K_H */
|
||||
|
|
|
|||
|
|
@ -17,76 +17,23 @@ 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. */
|
||||
|
||||
#if !defined (TM_I386V_H)
|
||||
#ifndef TM_I386V_H
|
||||
#define TM_I386V_H 1
|
||||
|
||||
/*
|
||||
* Changes for 80386 by Pace Willisson (pace@prep.ai.mit.edu)
|
||||
* July 1988
|
||||
*/
|
||||
/* First pick up the generic *86 target file. */
|
||||
|
||||
#define TARGET_BYTE_ORDER LITTLE_ENDIAN
|
||||
#include "i386/tm-i386.h"
|
||||
|
||||
/* turn this on when rest of gdb is ready */
|
||||
#define IEEE_FLOAT
|
||||
/* Number of traps that happen between exec'ing the shell to run an
|
||||
inferior, and when we finally get to the inferior code. This is
|
||||
2 on most implementations. Override here to 4. */
|
||||
|
||||
/* number of traps that happen between exec'ing the shell
|
||||
* to run an inferior, and when we finally get to
|
||||
* the inferior code. This is 2 on most implementations.
|
||||
*/
|
||||
#ifndef START_INFERIOR_TRAPS_EXPECTED
|
||||
#undef START_INFERIOR_TRAPS_EXPECTED
|
||||
#define START_INFERIOR_TRAPS_EXPECTED 4
|
||||
#endif
|
||||
|
||||
/* Offset from address of function to start of its code.
|
||||
Zero on most machines. */
|
||||
|
||||
#define FUNCTION_START_OFFSET 0
|
||||
|
||||
/* Advance PC across any function entry prologue instructions
|
||||
to reach some "real" code. */
|
||||
|
||||
#define SKIP_PROLOGUE(frompc) {(frompc) = i386_skip_prologue((frompc));}
|
||||
|
||||
extern int
|
||||
i386_skip_prologue PARAMS ((int));
|
||||
|
||||
/* Immediately after a function call, return the saved pc.
|
||||
Can't always go through the frames for this because on some machines
|
||||
the new frame is not set up until the new function executes
|
||||
some instructions. */
|
||||
|
||||
#define SAVED_PC_AFTER_CALL(frame) \
|
||||
(read_memory_integer (read_register (SP_REGNUM), 4))
|
||||
|
||||
/* Stack grows downward. */
|
||||
|
||||
#define INNER_THAN <
|
||||
|
||||
/* Sequence of bytes for breakpoint instruction. */
|
||||
|
||||
#define BREAKPOINT {0xcc}
|
||||
|
||||
/* Amount PC must be decremented by after a breakpoint.
|
||||
This is often the number of bytes in BREAKPOINT
|
||||
but not always. */
|
||||
|
||||
#ifndef DECR_PC_AFTER_BREAK
|
||||
#define DECR_PC_AFTER_BREAK 1
|
||||
#endif
|
||||
|
||||
/* Nonzero if instruction at PC is a return instruction. */
|
||||
|
||||
#define ABOUT_TO_RETURN(pc) (read_memory_integer (pc, 1) == 0xc3)
|
||||
|
||||
/* Say how long (ordinary) registers are. This is a piece of bogosity
|
||||
used in push_word and a few other places; REGISTER_RAW_SIZE is the
|
||||
real way to know how big a register is. */
|
||||
|
||||
#define REGISTER_SIZE 4
|
||||
|
||||
/* Number of machine registers */
|
||||
|
||||
#undef NUM_REGS
|
||||
#define NUM_REGS 16
|
||||
|
||||
/* Initializer for an array of names of registers.
|
||||
|
|
@ -96,56 +43,54 @@ i386_skip_prologue PARAMS ((int));
|
|||
* numbering scheme (which is the same as the 386 scheme)
|
||||
* also, this table must match regmap in i386-pinsn.c.
|
||||
*/
|
||||
|
||||
#undef REGISTER_NAMES
|
||||
#define REGISTER_NAMES { "eax", "ecx", "edx", "ebx", \
|
||||
"esp", "ebp", "esi", "edi", \
|
||||
"eip", "ps", "cs", "ss", \
|
||||
"ds", "es", "fs", "gs", \
|
||||
}
|
||||
|
||||
/* Register numbers of various important registers.
|
||||
Note that some of these values are "real" register numbers,
|
||||
and correspond to the general registers of the machine,
|
||||
and some are "phony" register numbers which are too large
|
||||
to be actual register numbers as far as the user is concerned
|
||||
but do serve to get the desired values when passed to read_register. */
|
||||
|
||||
#define FP_REGNUM 5 /* Contains address of executing stack frame */
|
||||
#define SP_REGNUM 4 /* Contains address of top of stack */
|
||||
|
||||
#define PC_REGNUM 8
|
||||
#define PS_REGNUM 9
|
||||
|
||||
/* Total amount of space needed to store our copies of the machine's
|
||||
register state, the array `registers'. */
|
||||
|
||||
#undef REGISTER_BYTES
|
||||
#define REGISTER_BYTES (NUM_REGS * 4)
|
||||
|
||||
/* Index within `registers' of the first byte of the space for
|
||||
register N. */
|
||||
|
||||
#undef REGISTER_BYTE
|
||||
#define REGISTER_BYTE(N) ((N)*4)
|
||||
|
||||
/* Number of bytes of storage in the actual machine representation
|
||||
for register N. */
|
||||
|
||||
#undef REGISTER_RAW_SIZE
|
||||
#define REGISTER_RAW_SIZE(N) (4)
|
||||
|
||||
/* Number of bytes of storage in the program's representation
|
||||
for register N. */
|
||||
|
||||
#undef REGISTER_VIRTUAL_SIZE
|
||||
#define REGISTER_VIRTUAL_SIZE(N) (4)
|
||||
|
||||
/* Largest value REGISTER_RAW_SIZE can have. */
|
||||
|
||||
#undef MAX_REGISTER_RAW_SIZE
|
||||
#define MAX_REGISTER_RAW_SIZE 4
|
||||
|
||||
/* Largest value REGISTER_VIRTUAL_SIZE can have. */
|
||||
|
||||
#undef MAX_REGISTER_VIRTUAL_SIZE
|
||||
#define MAX_REGISTER_VIRTUAL_SIZE 4
|
||||
|
||||
/* Return the GDB type object for the "standard" data type
|
||||
of data in register N. */
|
||||
/* Perhaps si and di should go here, but potentially they could be
|
||||
used for things other than address. */
|
||||
|
||||
#undef REGISTER_VIRTUAL_TYPE
|
||||
#define REGISTER_VIRTUAL_TYPE(N) \
|
||||
((N) == PC_REGNUM || (N) == FP_REGNUM || (N) == SP_REGNUM ? \
|
||||
lookup_pointer_type (builtin_type_void) : builtin_type_int)
|
||||
|
|
@ -153,6 +98,7 @@ i386_skip_prologue PARAMS ((int));
|
|||
/* Store the address of the place in which to copy the structure the
|
||||
subroutine will return. This is called from call_function. */
|
||||
|
||||
#undef STORE_STRUCT_RETURN
|
||||
#define STORE_STRUCT_RETURN(ADDR, SP) \
|
||||
{ (SP) -= sizeof (ADDR); \
|
||||
write_memory ((SP), (char *) &(ADDR), sizeof (ADDR)); }
|
||||
|
|
@ -161,21 +107,17 @@ i386_skip_prologue PARAMS ((int));
|
|||
a function return value of type TYPE, and copy that, in virtual format,
|
||||
into VALBUF. */
|
||||
|
||||
#undef EXTRACT_RETURN_VALUE
|
||||
#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
|
||||
memcpy ((VALBUF), (REGBUF), TYPE_LENGTH (TYPE))
|
||||
|
||||
/* Write into appropriate registers a function return value
|
||||
of type TYPE, given in virtual format. */
|
||||
|
||||
#undef STORE_RETURN_VALUE
|
||||
#define STORE_RETURN_VALUE(TYPE,VALBUF) \
|
||||
write_register_bytes (0, VALBUF, TYPE_LENGTH (TYPE))
|
||||
|
||||
/* Extract from an array REGBUF containing the (raw) register state
|
||||
the address in which a function should return its structure value,
|
||||
as a CORE_ADDR (or an expression that can be used as one). */
|
||||
|
||||
#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(int *)(REGBUF))
|
||||
|
||||
|
||||
/* Describe the pointer in each stack frame to the previous stack frame
|
||||
(its caller). */
|
||||
|
|
@ -183,6 +125,7 @@ i386_skip_prologue PARAMS ((int));
|
|||
/* FRAME_CHAIN takes a frame's nominal address
|
||||
and produces the frame's chain-pointer. */
|
||||
|
||||
#undef FRAME_CHAIN
|
||||
#define FRAME_CHAIN(thisframe) \
|
||||
(!inside_entry_file ((thisframe)->pc) ? \
|
||||
read_memory_integer ((thisframe)->frame, 4) :\
|
||||
|
|
@ -193,18 +136,18 @@ i386_skip_prologue PARAMS ((int));
|
|||
/* A macro that tells us whether the function invocation represented
|
||||
by FI does not have a frame on the stack associated with it. If it
|
||||
does not, FRAMELESS is set to 1, else 0. */
|
||||
|
||||
#undef FRAMELESS_FUNCTION_INVOCATION
|
||||
#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) \
|
||||
(FRAMELESS) = frameless_look_for_prologue(FI)
|
||||
|
||||
#undef FRAME_SAVED_PC
|
||||
#define FRAME_SAVED_PC(FRAME) (read_memory_integer ((FRAME)->frame + 4, 4))
|
||||
|
||||
#define FRAME_ARGS_ADDRESS(fi) ((fi)->frame)
|
||||
|
||||
#define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame)
|
||||
|
||||
/* Return number of args passed to a frame.
|
||||
Can return -1, meaning no way to tell. */
|
||||
|
||||
#undef FRAME_NUM_ARGS
|
||||
#define FRAME_NUM_ARGS(numargs, fi) (numargs) = -1
|
||||
|
||||
#ifdef __STDC__ /* Forward decl's for prototypes */
|
||||
|
|
@ -215,77 +158,4 @@ struct frame_saved_regs;
|
|||
extern int
|
||||
i386_frame_num_args PARAMS ((struct frame_info *));
|
||||
|
||||
/* Return number of bytes at start of arglist that are not really args. */
|
||||
|
||||
#define FRAME_ARGS_SKIP 8
|
||||
|
||||
/* Put here the code to store, into a struct frame_saved_regs,
|
||||
the addresses of the saved registers of frame described by FRAME_INFO.
|
||||
This includes special registers such as pc and fp saved in special
|
||||
ways in the stack frame. sp is even more special:
|
||||
the address we return for it IS the sp for the next frame. */
|
||||
|
||||
#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \
|
||||
{ i386_frame_find_saved_regs ((frame_info), &(frame_saved_regs)); }
|
||||
|
||||
extern void
|
||||
i386_frame_find_saved_regs PARAMS ((struct frame_info *,
|
||||
struct frame_saved_regs *));
|
||||
|
||||
|
||||
/* Things needed for making the inferior call functions. */
|
||||
|
||||
/* Push an empty stack frame, to record the current PC, etc. */
|
||||
|
||||
#define PUSH_DUMMY_FRAME { i386_push_dummy_frame (); }
|
||||
|
||||
extern void
|
||||
i386_push_dummy_frame PARAMS ((void));
|
||||
|
||||
/* Discard from the stack the innermost frame, restoring all registers. */
|
||||
|
||||
#define POP_FRAME { i386_pop_frame (); }
|
||||
|
||||
extern void
|
||||
i386_pop_frame PARAMS ((void));
|
||||
|
||||
/* this is
|
||||
* call 11223344 (32 bit relative)
|
||||
* int3
|
||||
*/
|
||||
|
||||
#define CALL_DUMMY { 0x223344e8, 0xcc11 }
|
||||
|
||||
#define CALL_DUMMY_LENGTH 8
|
||||
|
||||
#define CALL_DUMMY_START_OFFSET 0 /* Start execution at beginning of dummy */
|
||||
|
||||
#define CALL_DUMMY_BREAKPOINT_OFFSET 5
|
||||
|
||||
/* Insert the specified number of args and function address
|
||||
into a call sequence of the above form stored at DUMMYNAME. */
|
||||
|
||||
#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \
|
||||
{ \
|
||||
int from, to, delta, loc; \
|
||||
loc = (int)(read_register (SP_REGNUM) - CALL_DUMMY_LENGTH); \
|
||||
from = loc + 5; \
|
||||
to = (int)(fun); \
|
||||
delta = to - from; \
|
||||
*((char *)(dummyname) + 1) = (delta & 0xff); \
|
||||
*((char *)(dummyname) + 2) = ((delta >> 8) & 0xff); \
|
||||
*((char *)(dummyname) + 3) = ((delta >> 16) & 0xff); \
|
||||
*((char *)(dummyname) + 4) = ((delta >> 24) & 0xff); \
|
||||
}
|
||||
|
||||
extern void
|
||||
print_387_control_word PARAMS ((unsigned int));
|
||||
|
||||
extern void
|
||||
print_387_status_word PARAMS ((unsigned int));
|
||||
|
||||
/* Offset from SP to first arg on stack at first instruction of a function */
|
||||
|
||||
#define SP_ARG0 (1 * 4)
|
||||
|
||||
#endif /* !defined (TM_I386V_H) */
|
||||
#endif /* ifndef TM_I386V_H */
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
/* Macro definitions for GDB on an Intel i386 running SVR4.
|
||||
Copyright (C) 1991, 1994 Free Software Foundation, Inc.
|
||||
Written by Fred Fish at Cygnus Support (fnf@cygint)
|
||||
Written by Fred Fish at Cygnus Support (fnf@cygnus.com)
|
||||
|
||||
This file is part of GDB.
|
||||
|
||||
|
|
@ -18,29 +18,20 @@ 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. */
|
||||
|
||||
/* Use the alternate method of determining valid frame chains. */
|
||||
|
||||
#define FRAME_CHAIN_VALID_ALTERNATE
|
||||
|
||||
/* number of traps that happen between exec'ing the shell
|
||||
* to run an inferior, and when we finally get to
|
||||
* the inferior code. This is 2 on most implementations.
|
||||
*/
|
||||
#define START_INFERIOR_TRAPS_EXPECTED 2
|
||||
#ifndef TM_I386V4_H
|
||||
#define TM_I386V4_H 1
|
||||
|
||||
/* Pick up most of what we need from the generic i386 target include file. */
|
||||
|
||||
#include "i386/tm-i386v.h"
|
||||
#include "i386/tm-i386.h"
|
||||
|
||||
/* Pick up more stuff from the generic SVR4 host include file. */
|
||||
|
||||
#include "tm-sysv4.h"
|
||||
|
||||
/* We can't tell how many args there are
|
||||
now that the C compiler delays popping them. */
|
||||
/* Use the alternate method of determining valid frame chains. */
|
||||
|
||||
#undef FRAME_NUM_ARGS
|
||||
#define FRAME_NUM_ARGS(val,fi) (val = -1)
|
||||
#define FRAME_CHAIN_VALID_ALTERNATE
|
||||
|
||||
/* Offsets (in target ints) into jmp_buf. Not defined in any system header
|
||||
file, so we have to step through setjmp/longjmp with a debugger and figure
|
||||
|
|
@ -79,36 +70,9 @@ get_longjmp_target PARAMS ((CORE_ADDR *));
|
|||
|| STREQ ("_sigacthandler", name) \
|
||||
|| STREQ ("sigvechandler", name)))
|
||||
|
||||
/* FRAME_CHAIN takes a frame's nominal address and produces the frame's
|
||||
chain-pointer.
|
||||
In the case of the i386, the frame's nominal address
|
||||
is the address of a 4-byte word containing the calling frame's address. */
|
||||
#undef FRAME_CHAIN
|
||||
#define FRAME_CHAIN(thisframe) \
|
||||
((thisframe)->signal_handler_caller \
|
||||
? (thisframe)->frame \
|
||||
: (!inside_entry_file ((thisframe)->pc) \
|
||||
? read_memory_integer ((thisframe)->frame, 4) \
|
||||
: 0))
|
||||
|
||||
/* A macro that tells us whether the function invocation represented
|
||||
by FI does not have a frame on the stack associated with it. If it
|
||||
does not, FRAMELESS is set to 1, else 0. */
|
||||
#undef FRAMELESS_FUNCTION_INVOCATION
|
||||
#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) \
|
||||
do { \
|
||||
if ((FI)->signal_handler_caller) \
|
||||
(FRAMELESS) = 0; \
|
||||
else \
|
||||
(FRAMELESS) = frameless_look_for_prologue(FI); \
|
||||
} while (0)
|
||||
|
||||
/* Saved Pc. Get it from ucontext if within sigtramp. */
|
||||
|
||||
#undef FRAME_SAVED_PC
|
||||
#define FRAME_SAVED_PC(FRAME) \
|
||||
(((FRAME)->signal_handler_caller \
|
||||
? i386v4_sigtramp_saved_pc (FRAME) \
|
||||
: read_memory_integer ((FRAME)->frame + 4, 4)) \
|
||||
)
|
||||
#define sigtramp_saved_pc i386v4_sigtramp_saved_pc
|
||||
extern CORE_ADDR i386v4_sigtramp_saved_pc PARAMS ((struct frame_info *));
|
||||
|
||||
#endif /* ifndef TM_I386V4_H */
|
||||
|
|
|
|||
|
|
@ -19,29 +19,34 @@ 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. */
|
||||
|
||||
#ifndef TM_PTX_H
|
||||
#define TM_PTX_H 1
|
||||
|
||||
/* I don't know if this will work for cross-debugging, even if you do get
|
||||
a copy of the right include file. */
|
||||
|
||||
#include <sys/reg.h>
|
||||
|
||||
/*
|
||||
#define SDB_REG_TO_REGNUM(value) ptx_coff_regno_to_gdb(value)
|
||||
extern int ptx_coff_regno_to_gdb();
|
||||
*/
|
||||
|
||||
#define START_INFERIOR_TRAPS_EXPECTED 2
|
||||
|
||||
/* Amount PC must be decremented by after a breakpoint.
|
||||
This is often the number of bytes in BREAKPOINT
|
||||
but not always. */
|
||||
|
||||
#define DECR_PC_AFTER_BREAK 0
|
||||
|
||||
#ifdef SEQUENT_PTX4
|
||||
#include "i386/tm-i386v4.h"
|
||||
#else /* !SEQUENT_PTX4 */
|
||||
#include "i386/tm-i386v.h"
|
||||
#endif
|
||||
|
||||
/* Number of traps that happen between exec'ing the shell to run an
|
||||
inferior, and when we finally get to the inferior code. This is 2
|
||||
on most implementations. Here we have to undo what tm-i386v.h gave
|
||||
us and restore the default. */
|
||||
|
||||
#undef START_INFERIOR_TRAPS_EXPECTED
|
||||
#define START_INFERIOR_TRAPS_EXPECTED 2
|
||||
|
||||
/* Amount PC must be decremented by after a breakpoint. This is often the
|
||||
number of bytes in BREAKPOINT but not always (such as now). */
|
||||
|
||||
#undef DECR_PC_AFTER_BREAK
|
||||
#define DECR_PC_AFTER_BREAK 0
|
||||
|
||||
#if 0
|
||||
--- this code can't be used unless we know we are running native,
|
||||
since it uses host specific ptrace calls.
|
||||
|
|
@ -52,23 +57,30 @@ extern int ptx_coff_regno_to_gdb();
|
|||
#endif
|
||||
|
||||
/* Number of machine registers */
|
||||
#undef NUM_REGS
|
||||
|
||||
#undef NUM_REGS
|
||||
#define NUM_REGS 49
|
||||
|
||||
/* Initializer for an array of names of registers.
|
||||
There should be NUM_REGS strings in this initializer. */
|
||||
/* Initializer for an array of names of registers. There should be at least
|
||||
NUM_REGS strings in this initializer. Any excess ones are simply ignored.
|
||||
The order of the first 8 registers must match the compiler's numbering
|
||||
scheme (which is the same as the 386 scheme) and also regmap in the various
|
||||
*-nat.c files. */
|
||||
|
||||
#undef REGISTER_NAMES
|
||||
#define REGISTER_NAMES { "eax", "ecx", "edx", "ebx", \
|
||||
"esp", "ebp", "esi", "edi", \
|
||||
"eip", "eflags", "st0", "st1", "st2", \
|
||||
"st3", "st4", "st5", "st6", "st7", \
|
||||
"fp1", "fp2", "fp3", "fp4", "fp5", "fp6", "fp7", \
|
||||
"fp8", "fp9", "fp10", "fp11", "fp12", \
|
||||
"fp13", "fp14", "fp15", "fp16", "fp17", \
|
||||
"fp18", "fp19", "fp20", "fp21", "fp22", \
|
||||
"fp23", "fp24", "fp25", "fp26", "fp27", \
|
||||
"fp28", "fp29", "fp30", "fp31" }
|
||||
#undef REGISTER_NAMES
|
||||
#define REGISTER_NAMES { "eax", "ecx", "edx", "ebx", \
|
||||
"esp", "ebp", "esi", "edi", \
|
||||
"eip", "eflags", "st0", "st1", \
|
||||
"st2", "st3", "st4", "st5", \
|
||||
"st6", "st7", "fp1", "fp2", \
|
||||
"fp3", "fp4", "fp5", "fp6", \
|
||||
"fp7", "fp8", "fp9", "fp10", \
|
||||
"fp11", "fp12", "fp13", "fp14", \
|
||||
"fp15", "fp16", "fp17", "fp18", \
|
||||
"fp19", "fp20", "fp21", "fp22", \
|
||||
"fp23", "fp24", "fp25", "fp26", \
|
||||
"fp27", "fp28", "fp29", "fp30", \
|
||||
"fp31" }
|
||||
|
||||
/* Register numbers of various important registers.
|
||||
Note that some of these values are "real" register numbers,
|
||||
|
|
@ -104,13 +116,13 @@ extern int ptx_coff_regno_to_gdb();
|
|||
#define FP1_REGNUM 18 /* first 1167 register */
|
||||
/* Get %fp2 - %fp31 by addition, since they are contiguous */
|
||||
|
||||
#undef SP_REGNUM
|
||||
#undef SP_REGNUM
|
||||
#define SP_REGNUM ESP_REGNUM /* Contains address of top of stack */
|
||||
#undef FP_REGNUM
|
||||
#undef FP_REGNUM
|
||||
#define FP_REGNUM EBP_REGNUM /* Contains address of executing stack frame */
|
||||
#undef PC_REGNUM
|
||||
#undef PC_REGNUM
|
||||
#define PC_REGNUM EIP_REGNUM /* Contains program counter */
|
||||
#undef PS_REGNUM
|
||||
#undef PS_REGNUM
|
||||
#define PS_REGNUM EFLAGS_REGNUM /* Contains processor status */
|
||||
|
||||
/*
|
||||
|
|
@ -129,36 +141,34 @@ extern int ptx_coff_regno_to_gdb();
|
|||
extern int
|
||||
ptx_register_u_addr PARAMS ((int, int));
|
||||
|
||||
|
||||
/* Total amount of space needed to store our copies of the machine's
|
||||
register state, the array `registers'. */
|
||||
/* 10 i386 registers, 8 i387 registers, and 31 Weitek 1167 registers */
|
||||
#undef REGISTER_BYTES
|
||||
register state, the array `registers'. 10 i*86 registers, 8 i387
|
||||
registers, and 31 Weitek 1167 registers */
|
||||
|
||||
#undef REGISTER_BYTES
|
||||
#define REGISTER_BYTES ((10 * 4) + (8 * 10) + (31 * 4))
|
||||
|
||||
/* Index within `registers' of the first byte of the space for
|
||||
register N. */
|
||||
/* Index within `registers' of the first byte of the space for register N. */
|
||||
|
||||
#undef REGISTER_BYTE
|
||||
#undef REGISTER_BYTE
|
||||
#define REGISTER_BYTE(N) \
|
||||
((N < ST0_REGNUM) ? (N * 4) : \
|
||||
(N < FP1_REGNUM) ? (40 + ((N - ST0_REGNUM) * 10)) : \
|
||||
(40 + 80 + ((N - FP1_REGNUM) * 4)))
|
||||
(((N) < ST0_REGNUM) ? ((N) * 4) : \
|
||||
((N) < FP1_REGNUM) ? (40 + (((N) - ST0_REGNUM) * 10)) : \
|
||||
(40 + 80 + (((N) - FP1_REGNUM) * 4)))
|
||||
|
||||
/* Number of bytes of storage in the actual machine representation
|
||||
* for register N. All registers are 4 bytes, except 387 st(0) - st(7),
|
||||
* which are 80 bits each.
|
||||
*/
|
||||
/* Number of bytes of storage in the actual machine representation for
|
||||
register N. All registers are 4 bytes, except 387 st(0) - st(7),
|
||||
which are 80 bits each. */
|
||||
|
||||
#undef REGISTER_RAW_SIZE
|
||||
#undef REGISTER_RAW_SIZE
|
||||
#define REGISTER_RAW_SIZE(N) \
|
||||
((N < ST0_REGNUM) ? 4 : \
|
||||
(N < FP1_REGNUM) ? 10 : \
|
||||
(((N) < ST0_REGNUM) ? 4 : \
|
||||
((N) < FP1_REGNUM) ? 10 : \
|
||||
4)
|
||||
|
||||
/* Largest value REGISTER_RAW_SIZE can have. */
|
||||
|
||||
#undef MAX_REGISTER_RAW_SIZE
|
||||
#undef MAX_REGISTER_RAW_SIZE
|
||||
#define MAX_REGISTER_RAW_SIZE 10
|
||||
|
||||
/* Nonzero if register N requires conversion
|
||||
|
|
@ -209,24 +219,14 @@ extern const struct floatformat floatformat_i387_ext; /* from floatformat.h */
|
|||
a function return value of type TYPE, and copy that, in virtual format,
|
||||
into VALBUF. */
|
||||
|
||||
#undef EXTRACT_RETURN_VALUE
|
||||
#undef EXTRACT_RETURN_VALUE
|
||||
#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
|
||||
symmetry_extract_return_value(TYPE, REGBUF, VALBUF)
|
||||
|
||||
|
||||
/*
|
||||
* Removed extra PUSH_DUMMY_FRAME, et al: it was identical to the
|
||||
* i386-tdep.c version.
|
||||
*/
|
||||
|
||||
extern void
|
||||
print_387_control_word PARAMS ((unsigned int));
|
||||
|
||||
extern void
|
||||
print_387_status_word PARAMS ((unsigned int));
|
||||
|
||||
/*
|
||||
#undef FRAME_FIND_SAVED_REGS
|
||||
#undef FRAME_FIND_SAVED_REGS
|
||||
#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \
|
||||
{ ptx_frame_find_saved_regs((frame_info), &(frame_saved_regs)); }
|
||||
*/
|
||||
|
||||
#endif /* ifndef TM_PTX_H */
|
||||
|
|
|
|||
|
|
@ -17,7 +17,10 @@ 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. */
|
||||
|
||||
#define TARGET_BYTE_ORDER LITTLE_ENDIAN
|
||||
#if !defined (TM_SUN386_H)
|
||||
#define TM_SUN386_H 1
|
||||
|
||||
#include "i386/tm-i386.h"
|
||||
|
||||
#ifndef sun386
|
||||
#define sun386
|
||||
|
|
@ -38,66 +41,21 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|||
/* sun386 ptrace seems unable to change the frame pointer */
|
||||
#define PTRACE_FP_BUG
|
||||
|
||||
/* Offset from address of function to start of its code.
|
||||
Zero on most machines. */
|
||||
|
||||
#define FUNCTION_START_OFFSET 0
|
||||
|
||||
/* Advance PC across any function entry prologue instructions
|
||||
to reach some "real" code. */
|
||||
|
||||
#define SKIP_PROLOGUE(frompc) {(frompc) = i386_skip_prologue((frompc));}
|
||||
|
||||
extern int
|
||||
i386_skip_prologue PARAMS ((int));
|
||||
|
||||
/* Immediately after a function call, return the saved pc.
|
||||
Can't always go through the frames for this because on some machines
|
||||
the new frame is not set up until the new function executes
|
||||
some instructions. */
|
||||
|
||||
#define SAVED_PC_AFTER_CALL(frame) \
|
||||
(read_memory_integer (read_register (SP_REGNUM), 4))
|
||||
|
||||
/* Address of end of stack space. */
|
||||
|
||||
#define STACK_END_ADDR 0xfc000000
|
||||
|
||||
/* Stack grows downward. */
|
||||
|
||||
#define INNER_THAN <
|
||||
|
||||
/* Sequence of bytes for breakpoint instruction. */
|
||||
|
||||
#define BREAKPOINT {0xcc}
|
||||
|
||||
/* Amount PC must be decremented by after a breakpoint.
|
||||
This is often the number of bytes in BREAKPOINT
|
||||
but not always. */
|
||||
|
||||
#define DECR_PC_AFTER_BREAK 1
|
||||
|
||||
/* Nonzero if instruction at PC is a return instruction. */
|
||||
|
||||
#define ABOUT_TO_RETURN(pc) (read_memory_integer (pc, 1) == 0xc3)
|
||||
|
||||
/* Say how long (ordinary) registers are. This is a piece of bogosity
|
||||
used in push_word and a few other places; REGISTER_RAW_SIZE is the
|
||||
real way to know how big a register is. */
|
||||
|
||||
#define REGISTER_SIZE 4
|
||||
|
||||
/* Number of machine registers */
|
||||
|
||||
#undef NUM_REGS
|
||||
#define NUM_REGS 35
|
||||
|
||||
/* Initializer for an array of names of registers.
|
||||
There should be NUM_REGS strings in this initializer. */
|
||||
/* Initializer for an array of names of registers. There should be NUM_REGS
|
||||
strings in this initializer. The order of the first 8 registers must match
|
||||
the compiler's numbering scheme (which is the same as the 386 scheme) also,
|
||||
this table must match regmap in i386-pinsn.c. */
|
||||
|
||||
/* the order of the first 8 registers must match the compiler's
|
||||
* numbering scheme (which is the same as the 386 scheme)
|
||||
* also, this table must match regmap in i386-pinsn.c.
|
||||
*/
|
||||
#undef REGISTER_NAMES
|
||||
#define REGISTER_NAMES { "gs", "fs", "es", "ds", \
|
||||
"edi", "esi", "ebp", "esp", \
|
||||
"ebx", "edx", "ecx", "eax", \
|
||||
|
|
@ -116,20 +74,29 @@ i386_skip_prologue PARAMS ((int));
|
|||
to be actual register numbers as far as the user is concerned
|
||||
but do serve to get the desired values when passed to read_register. */
|
||||
|
||||
#define FP_REGNUM 6 /* Contains address of executing stack frame */
|
||||
#define SP_REGNUM 18 /* Contains address of top of stack */
|
||||
#define PS_REGNUM 17 /* Contains processor status */
|
||||
#define PC_REGNUM 15 /* Contains program counter */
|
||||
#define FP0_REGNUM 20 /* Floating point register 0 */
|
||||
#define FPC_REGNUM 28 /* 80387 control register */
|
||||
#undef FP_REGNUM
|
||||
#define FP_REGNUM 6 /* (ebp) Contains address of executing stack frame */
|
||||
#undef SP_REGNUM
|
||||
#define SP_REGNUM 18 /* (usp) Contains address of top of stack */
|
||||
#undef PS_REGNUM
|
||||
#define PS_REGNUM 17 /* (ps) Contains processor status */
|
||||
#undef PC_REGNUM
|
||||
#define PC_REGNUM 15 /* (eip) Contains program counter */
|
||||
#undef FP0_REGNUM
|
||||
#define FP0_REGNUM 20 /* Floating point register 0 */
|
||||
#undef FPC_REGNUM
|
||||
#define FPC_REGNUM 28 /* 80387 control register */
|
||||
|
||||
/* Total amount of space needed to store our copies of the machine's
|
||||
register state, the array `registers'. */
|
||||
|
||||
#undef REGISTER_BYTES
|
||||
#define REGISTER_BYTES (20*4+8*10+7*4)
|
||||
|
||||
/* Index within `registers' of the first byte of the space for
|
||||
register N. */
|
||||
|
||||
#undef REGISTER_BYTE
|
||||
#define REGISTER_BYTE(N) \
|
||||
((N) >= FPC_REGNUM ? (((N) - FPC_REGNUM) * 4) + 160 \
|
||||
: (N) >= FP0_REGNUM ? (((N) - FP0_REGNUM) * 10) + 80 \
|
||||
|
|
@ -138,29 +105,25 @@ i386_skip_prologue PARAMS ((int));
|
|||
/* Number of bytes of storage in the actual machine representation
|
||||
for register N. */
|
||||
|
||||
#undef REGISTER_RAW_SIZE
|
||||
#define REGISTER_RAW_SIZE(N) (((unsigned)((N) - FP0_REGNUM)) < 8 ? 10 : 4)
|
||||
|
||||
/* Number of bytes of storage in the program's representation
|
||||
for register N. */
|
||||
|
||||
#undef REGISTER_VIRTUAL_SIZE
|
||||
#define REGISTER_VIRTUAL_SIZE(N) (((unsigned)((N) - FP0_REGNUM)) < 8 ? 8 : 4)
|
||||
|
||||
/* Largest value REGISTER_RAW_SIZE can have. */
|
||||
|
||||
#define MAX_REGISTER_RAW_SIZE 10
|
||||
|
||||
/* Largest value REGISTER_VIRTUAL_SIZE can have. */
|
||||
|
||||
#define MAX_REGISTER_VIRTUAL_SIZE 8
|
||||
|
||||
/* Nonzero if register N requires conversion
|
||||
from raw format to virtual format. */
|
||||
|
||||
#undef REGISTER_CONVERTIBLE
|
||||
#define REGISTER_CONVERTIBLE(N) (((unsigned)((N) - FP0_REGNUM)) < 8)
|
||||
|
||||
/* Convert data from raw format for register REGNUM in buffer FROM
|
||||
to virtual format with type TYPE in buffer TO. */
|
||||
|
||||
#undef REGISTER_CONVERT_TO_VIRTUAL
|
||||
#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,TYPE,FROM,TO) \
|
||||
{ \
|
||||
double val; \
|
||||
|
|
@ -173,6 +136,7 @@ i387_to_double PARAMS ((char *, char *));
|
|||
/* Convert data from virtual format with type TYPE in buffer FROM
|
||||
to raw format for register REGNUM in buffer TO. */
|
||||
|
||||
#undef REGISTER_CONVERT_TO_RAW
|
||||
#define REGISTER_CONVERT_TO_RAW(TYPE,REGNUM,FROM,TO) \
|
||||
{ \
|
||||
double val = extract_floating ((FROM), TYPE_LENGTH (TYPE)); \
|
||||
|
|
@ -184,41 +148,32 @@ double_to_i387 PARAMS ((char *, char *));
|
|||
/* Return the GDB type object for the "standard" data type
|
||||
of data in register N. */
|
||||
|
||||
#undef REGISTER_VIRTUAL_TYPE
|
||||
#define REGISTER_VIRTUAL_TYPE(N) \
|
||||
(((unsigned)((N) - FP0_REGNUM)) < 8 ? builtin_type_double : builtin_type_int)
|
||||
|
||||
/* Store the address of the place in which to copy the structure the
|
||||
subroutine will return. This is called from call_function. */
|
||||
|
||||
#define STORE_STRUCT_RETURN(ADDR, SP) \
|
||||
{ (SP) -= sizeof (ADDR); \
|
||||
write_memory ((SP), &(ADDR), sizeof (ADDR)); }
|
||||
|
||||
/* Extract from an array REGBUF containing the (raw) register state
|
||||
a function return value of type TYPE, and copy that, in virtual format,
|
||||
into VALBUF. */
|
||||
|
||||
#undef EXTRACT_RETURN_VALUE
|
||||
#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
|
||||
memcpy (VALBUF, REGBUF + REGISTER_BYTE (TYPE_CODE (TYPE) == TYPE_CODE_FLT ? FP0_REGNUM : 11), TYPE_LENGTH (TYPE))
|
||||
|
||||
/* Write into appropriate registers a function return value
|
||||
of type TYPE, given in virtual format. */
|
||||
|
||||
#undef STORE_RETURN_VALUE
|
||||
#define STORE_RETURN_VALUE(TYPE,VALBUF) \
|
||||
write_register_bytes (REGISTER_BYTE (TYPE_CODE (TYPE) == TYPE_CODE_FLT ? FP0_REGNUM : 11), VALBUF, TYPE_LENGTH (TYPE))
|
||||
|
||||
/* Extract from an array REGBUF containing the (raw) register state
|
||||
the address in which a function should return its structure value,
|
||||
as a CORE_ADDR (or an expression that can be used as one). */
|
||||
|
||||
#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(int *)(REGBUF))
|
||||
|
||||
/* Describe the pointer in each stack frame to the previous stack frame
|
||||
(its caller). */
|
||||
|
||||
/* FRAME_CHAIN takes a frame's nominal address
|
||||
and produces the frame's chain-pointer. */
|
||||
|
||||
#undef FRAME_CHAIN
|
||||
#define FRAME_CHAIN(thisframe) \
|
||||
(!inside_entry_file ((thisframe)->pc) ? \
|
||||
read_memory_integer ((thisframe)->frame, 4) :\
|
||||
|
|
@ -229,77 +184,22 @@ double_to_i387 PARAMS ((char *, char *));
|
|||
/* A macro that tells us whether the function invocation represented
|
||||
by FI does not have a frame on the stack associated with it. If it
|
||||
does not, FRAMELESS is set to 1, else 0. */
|
||||
|
||||
#undef FRAMELESS_FUNCTION_INVOCATION
|
||||
#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) \
|
||||
{ (FRAMELESS) = frameless_look_for_prologue (FI); }
|
||||
|
||||
#undef FRAME_SAVED_PC
|
||||
#define FRAME_SAVED_PC(FRAME) (read_memory_integer ((FRAME)->frame + 4, 4))
|
||||
|
||||
#define FRAME_ARGS_ADDRESS(fi) ((fi)->frame)
|
||||
|
||||
#define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame)
|
||||
|
||||
/* Return number of args passed to a frame.
|
||||
Can return -1, meaning no way to tell. */
|
||||
|
||||
#define FRAME_NUM_ARGS(numargs, fi) (numargs) = i386_frame_num_args(fi)
|
||||
|
||||
#ifdef __STDC__ /* Forward decl's for prototypes */
|
||||
struct frame_info;
|
||||
struct frame_saved_regs;
|
||||
#endif
|
||||
|
||||
extern int
|
||||
i386_frame_num_args PARAMS ((struct frame_info *));
|
||||
|
||||
/* Return number of bytes at start of arglist that are not really args. */
|
||||
|
||||
#define FRAME_ARGS_SKIP 8
|
||||
|
||||
/* Put here the code to store, into a struct frame_saved_regs,
|
||||
the addresses of the saved registers of frame described by FRAME_INFO.
|
||||
This includes special registers such as pc and fp saved in special
|
||||
ways in the stack frame. sp is even more special:
|
||||
the address we return for it IS the sp for the next frame. */
|
||||
|
||||
#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \
|
||||
{ i386_frame_find_saved_regs ((frame_info), &(frame_saved_regs)); }
|
||||
|
||||
extern void
|
||||
i386_frame_find_saved_regs PARAMS ((struct frame_info *,
|
||||
struct frame_saved_regs *));
|
||||
|
||||
|
||||
/* Things needed for making the inferior call functions. */
|
||||
|
||||
/* Push an empty stack frame, to record the current PC, etc. */
|
||||
|
||||
#define PUSH_DUMMY_FRAME { i386_push_dummy_frame (); }
|
||||
|
||||
extern void
|
||||
i386_push_dummy_frame PARAMS ((void));
|
||||
|
||||
/* Discard from the stack the innermost frame, restoring all registers. */
|
||||
|
||||
#define POP_FRAME { i386_pop_frame (); }
|
||||
|
||||
extern void
|
||||
i386_pop_frame PARAMS ((void));
|
||||
|
||||
/* this is
|
||||
* call 11223344 (32 bit relative)
|
||||
* int3
|
||||
*/
|
||||
|
||||
#define CALL_DUMMY { 0x223344e8, 0xcc11 }
|
||||
|
||||
#define CALL_DUMMY_LENGTH 8
|
||||
|
||||
#define CALL_DUMMY_START_OFFSET 0 /* Start execution at beginning of dummy */
|
||||
|
||||
/* Insert the specified number of args and function address
|
||||
into a call sequence of the above form stored at DUMMYNAME. */
|
||||
|
||||
#undef FIX_CALL_DUMMY
|
||||
#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \
|
||||
{ \
|
||||
*(int *)((char *)(dummyname) + 1) = (int)(fun) - (pc) - 5; \
|
||||
}
|
||||
|
||||
#endif /* !defined (TM_SUN386_H) */
|
||||
|
||||
|
|
|
|||
|
|
@ -20,20 +20,24 @@ 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. */
|
||||
|
||||
#ifndef TM_SYMMETRY_H
|
||||
#define TM_SYMMETRY_H 1
|
||||
|
||||
/* I don't know if this will work for cross-debugging, even if you do get
|
||||
a copy of the right include file. */
|
||||
#include <machine/reg.h>
|
||||
|
||||
#include "i386/tm-i386v.h"
|
||||
|
||||
#undef START_INFERIOR_TRAPS_EXPECTED
|
||||
#define START_INFERIOR_TRAPS_EXPECTED 2
|
||||
|
||||
/* Amount PC must be decremented by after a breakpoint.
|
||||
This is often the number of bytes in BREAKPOINT
|
||||
but not always. */
|
||||
/* Amount PC must be decremented by after a breakpoint. This is often the
|
||||
number of bytes in BREAKPOINT but not always (such as now). */
|
||||
|
||||
#undef DECR_PC_AFTER_BREAK
|
||||
#define DECR_PC_AFTER_BREAK 0
|
||||
|
||||
#include "i386/tm-i386v.h"
|
||||
|
||||
#if 0
|
||||
/* --- this code can't be used unless we know we are running native,
|
||||
since it uses host specific ptrace calls. */
|
||||
|
|
@ -44,29 +48,31 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|||
#endif
|
||||
|
||||
/* Number of machine registers */
|
||||
|
||||
#undef NUM_REGS
|
||||
#define NUM_REGS 49
|
||||
|
||||
/* Initializer for an array of names of registers.
|
||||
There should be NUM_REGS strings in this initializer. */
|
||||
|
||||
/* Symmetry registers are in this weird order to match the register
|
||||
numbers in the symbol table entries. If you change the order,
|
||||
things will probably break mysteriously for no apparent reason.
|
||||
Also note that the st(0)...st(7) 387 registers are represented as
|
||||
st0...st7. */
|
||||
/* Initializer for an array of names of registers. There should be at least
|
||||
NUM_REGS strings in this initializer. Any excess ones are simply ignored.
|
||||
Symmetry registers are in this weird order to match the register numbers
|
||||
in the symbol table entries. If you change the order, things will probably
|
||||
break mysteriously for no apparent reason. Also note that the st(0)...
|
||||
st(7) 387 registers are represented as st0...st7. */
|
||||
|
||||
#undef REGISTER_NAMES
|
||||
#define REGISTER_NAMES { "eax", "edx", "ecx", "st0", "st1", \
|
||||
"ebx", "esi", "edi", "st2", "st3", \
|
||||
"st4", "st5", "st6", "st7", "esp", \
|
||||
"ebp", "eip", "eflags", "fp1", "fp2", \
|
||||
"fp3", "fp4", "fp5", "fp6", "fp7", \
|
||||
"fp8", "fp9", "fp10", "fp11", "fp12", \
|
||||
"fp13", "fp14", "fp15", "fp16", "fp17", \
|
||||
"fp18", "fp19", "fp20", "fp21", "fp22", \
|
||||
"fp23", "fp24", "fp25", "fp26", "fp27", \
|
||||
"fp28", "fp29", "fp30", "fp31" }
|
||||
#undef REGISTER_NAMES
|
||||
#define REGISTER_NAMES { "eax", "edx", "ecx", "st0", "st1", \
|
||||
"ebx", "esi", "edi", "st2", "st3", \
|
||||
"st4", "st5", "st6", "st7", "esp", \
|
||||
"ebp", "eip", "eflags","fp1", "fp2", \
|
||||
"fp3", "fp4", "fp5", "fp6", "fp7", \
|
||||
"fp8", "fp9", "fp10", "fp11", "fp12", \
|
||||
"fp13", "fp14", "fp15", "fp16", "fp17", \
|
||||
"fp18", "fp19", "fp20", "fp21", "fp22", \
|
||||
"fp23", "fp24", "fp25", "fp26", "fp27", \
|
||||
"fp28", "fp29", "fp30", "fp31" }
|
||||
|
||||
/* Register numbers of various important registers.
|
||||
Note that some of these values are "real" register numbers,
|
||||
|
|
@ -94,17 +100,17 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|||
#define FP1_REGNUM 18 /* first 1167 register */
|
||||
/* Get %fp2 - %fp31 by addition, since they are contiguous */
|
||||
|
||||
#undef SP_REGNUM
|
||||
#define SP_REGNUM 14 /* esp--Contains address of top of stack */
|
||||
#undef SP_REGNUM
|
||||
#define SP_REGNUM 14 /* (usp) Contains address of top of stack */
|
||||
#define ESP_REGNUM 14
|
||||
#undef FP_REGNUM
|
||||
#define FP_REGNUM 15 /* ebp--Contains address of executing stack frame */
|
||||
#undef FP_REGNUM
|
||||
#define FP_REGNUM 15 /* (ebp) Contains address of executing stack frame */
|
||||
#define EBP_REGNUM 15
|
||||
#undef PC_REGNUM
|
||||
#define PC_REGNUM 16 /* eip--Contains program counter */
|
||||
#undef PC_REGNUM
|
||||
#define PC_REGNUM 16 /* (eip) Contains program counter */
|
||||
#define EIP_REGNUM 16
|
||||
#undef PS_REGNUM
|
||||
#define PS_REGNUM 17 /* eflags--Contains processor status */
|
||||
#undef PS_REGNUM
|
||||
#define PS_REGNUM 17 /* (ps) Contains processor status */
|
||||
#define EFLAGS_REGNUM 17
|
||||
|
||||
/*
|
||||
|
|
@ -209,49 +215,45 @@ switch (regno) { \
|
|||
}
|
||||
|
||||
/* Total amount of space needed to store our copies of the machine's
|
||||
register state, the array `registers'. */
|
||||
/* 10 i386 registers, 8 i387 registers, and 31 Weitek 1167 registers */
|
||||
#undef REGISTER_BYTES
|
||||
register state, the array `registers'. 10 i*86 registers, 8 i387
|
||||
registers, and 31 Weitek 1167 registers */
|
||||
|
||||
#undef REGISTER_BYTES
|
||||
#define REGISTER_BYTES ((10 * 4) + (8 * 10) + (31 * 4))
|
||||
|
||||
/* Index within `registers' of the first byte of the space for
|
||||
register N. */
|
||||
|
||||
#undef REGISTER_BYTE
|
||||
#undef REGISTER_BYTE
|
||||
#define REGISTER_BYTE(N) \
|
||||
((N < 3) ? (N * 4) : \
|
||||
(N < 5) ? (((N - 2) * 10) + 2) : \
|
||||
(N < 8) ? (((N - 5) * 4) + 32) : \
|
||||
(N < 14) ? (((N - 8) * 10) + 44) : \
|
||||
(((N - 14) * 4) + 104))
|
||||
(((N) < 3) ? ((N) * 4) : \
|
||||
((N) < 5) ? ((((N) - 2) * 10) + 2) : \
|
||||
((N) < 8) ? ((((N) - 5) * 4) + 32) : \
|
||||
((N) < 14) ? ((((N) - 8) * 10) + 44) : \
|
||||
((((N) - 14) * 4) + 104))
|
||||
|
||||
/* Number of bytes of storage in the actual machine representation
|
||||
* for register N. All registers are 4 bytes, except 387 st(0) - st(7),
|
||||
* which are 80 bits each.
|
||||
*/
|
||||
|
||||
#undef REGISTER_RAW_SIZE
|
||||
#undef REGISTER_RAW_SIZE
|
||||
#define REGISTER_RAW_SIZE(N) \
|
||||
((N < 3) ? 4 : \
|
||||
(N < 5) ? 10 : \
|
||||
(N < 8) ? 4 : \
|
||||
(N < 14) ? 10 : \
|
||||
(((N) < 3) ? 4 : \
|
||||
((N) < 5) ? 10 : \
|
||||
((N) < 8) ? 4 : \
|
||||
((N) < 14) ? 10 : \
|
||||
4)
|
||||
|
||||
/* Largest value REGISTER_RAW_SIZE can have. */
|
||||
|
||||
#undef MAX_REGISTER_RAW_SIZE
|
||||
#define MAX_REGISTER_RAW_SIZE 10
|
||||
|
||||
/* Nonzero if register N requires conversion
|
||||
from raw format to virtual format. */
|
||||
|
||||
#undef REGISTER_CONVERTIBLE
|
||||
#undef REGISTER_CONVERTIBLE
|
||||
#define REGISTER_CONVERTIBLE(N) \
|
||||
((N < 3) ? 0 : \
|
||||
(N < 5) ? 1 : \
|
||||
(N < 8) ? 0 : \
|
||||
(N < 14) ? 1 : \
|
||||
(((N) < 3) ? 0 : \
|
||||
((N) < 5) ? 1 : \
|
||||
((N) < 8) ? 0 : \
|
||||
((N) < 14) ? 1 : \
|
||||
0)
|
||||
|
||||
#include "floatformat.h"
|
||||
|
|
@ -294,24 +296,17 @@ switch (regno) { \
|
|||
passes it on the stack. gcc should be fixed in future versions to
|
||||
adopt native cc conventions. */
|
||||
|
||||
#undef STORE_STRUCT_RETURN
|
||||
#undef STORE_STRUCT_RETURN
|
||||
#define STORE_STRUCT_RETURN(ADDR, SP) write_register(0, (ADDR))
|
||||
|
||||
/* Extract from an array REGBUF containing the (raw) register state
|
||||
a function return value of type TYPE, and copy that, in virtual format,
|
||||
into VALBUF. */
|
||||
|
||||
#undef EXTRACT_RETURN_VALUE
|
||||
#undef EXTRACT_RETURN_VALUE
|
||||
#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
|
||||
symmetry_extract_return_value(TYPE, REGBUF, VALBUF)
|
||||
|
||||
|
||||
extern void
|
||||
print_387_control_word PARAMS ((unsigned int));
|
||||
|
||||
extern void
|
||||
print_387_status_word PARAMS ((unsigned int));
|
||||
|
||||
/* The following redefines make backtracing through sigtramp work.
|
||||
They manufacture a fake sigtramp frame and obtain the saved pc in sigtramp
|
||||
from the sigcontext structure which is pushed by the kernel on the
|
||||
|
|
@ -322,35 +317,5 @@ print_387_status_word PARAMS ((unsigned int));
|
|||
/* Offset to saved PC in sigcontext, from <signal.h>. */
|
||||
#define SIGCONTEXT_PC_OFFSET 16
|
||||
|
||||
/* FRAME_CHAIN takes a frame's nominal address and produces the frame's
|
||||
chain-pointer.
|
||||
In the case of the i386, the frame's nominal address
|
||||
is the address of a 4-byte word containing the calling frame's address. */
|
||||
#undef FRAME_CHAIN
|
||||
#define FRAME_CHAIN(thisframe) \
|
||||
(thisframe->signal_handler_caller \
|
||||
? thisframe->frame \
|
||||
: (!inside_entry_file ((thisframe)->pc) \
|
||||
? read_memory_integer ((thisframe)->frame, 4) \
|
||||
: 0))
|
||||
#endif /* ifndef TM_SYMMETRY_H */
|
||||
|
||||
/* A macro that tells us whether the function invocation represented
|
||||
by FI does not have a frame on the stack associated with it. If it
|
||||
does not, FRAMELESS is set to 1, else 0. */
|
||||
#undef FRAMELESS_FUNCTION_INVOCATION
|
||||
#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) \
|
||||
do { \
|
||||
if ((FI)->signal_handler_caller) \
|
||||
(FRAMELESS) = 0; \
|
||||
else \
|
||||
(FRAMELESS) = frameless_look_for_prologue(FI); \
|
||||
} while (0)
|
||||
|
||||
/* Saved Pc. Get it from sigcontext if within sigtramp. */
|
||||
|
||||
#undef FRAME_SAVED_PC
|
||||
#define FRAME_SAVED_PC(FRAME) \
|
||||
(((FRAME)->signal_handler_caller \
|
||||
? sigtramp_saved_pc (FRAME) \
|
||||
: read_memory_integer ((FRAME)->frame + 4, 4)) \
|
||||
)
|
||||
|
|
|
|||
Loading…
Reference in New Issue