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* config/i386/tm-i386.h: New file containing generic i*86 target

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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
1995-11-02 15:20:50 +00:00
parent 7ff82a593d
commit 7ee7dc27b0
13 changed files with 547 additions and 694 deletions
Download Patch File Download Diff File Expand all files Collapse all files

45
gdb/config/i386/tm-i386bsd.h
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@@ -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 */