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authorFred Fish <fnf@specifix.com>1993-03-23 01:19:58 +0000
committerFred Fish <fnf@specifix.com>1993-03-23 01:19:58 +0000
commit5076de826cefc4cd828a8cf4cd6940d9a82f9e70 (patch)
treed6a1288826d5e971b6f88cfa048f8f51b8ec3543 /gdb/config/i386/xm-symmetry.h
parent8256379df2a7043fdf6327a0190ab667cfbb84bf (diff)
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* config/{*.mt, *.mh}: All target and host makefile fragment
config files moved to an appropriate config/<cpu> subdirectory. * nm-*, xm-*, tm-*: All native, host, and target files, which get linked to nm.h, xm.h, and tm.h respectively by configure, moved to appropriate config/<cpu> subdirectory.
Diffstat (limited to 'gdb/config/i386/xm-symmetry.h')
-rw-r--r--gdb/config/i386/xm-symmetry.h245
1 files changed, 245 insertions, 0 deletions
diff --git a/gdb/config/i386/xm-symmetry.h b/gdb/config/i386/xm-symmetry.h
new file mode 100644
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--- /dev/null
+++ b/gdb/config/i386/xm-symmetry.h
@@ -0,0 +1,245 @@
+/* Definitions to make GDB run on a Sequent Symmetry under dynix 3.0,
+ with Weitek 1167 and i387 support.
+ Copyright 1986, 1987, 1989, 1992 Free Software Foundation, Inc.
+
+This file is part of GDB.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+/* Symmetry version by Jay Vosburgh (uunet!sequent!fubar) */
+
+/* This machine doesn't have the siginterrupt call. */
+#define NO_SIGINTERRUPT
+
+#define HAVE_WAIT_STRUCT
+
+/* XPT_DEBUG doesn't work yet under Dynix 3.0.12, but UNDEBUG does... */
+/* #define PTRACE_ATTACH XPT_DEBUG
+#define PTRACE_DETACH XPT_UNDEBUG
+#define ATTACH_DETACH */
+
+#define HOST_BYTE_ORDER LITTLE_ENDIAN
+
+/* Get rid of any system-imposed stack limit if possible. */
+
+#define SET_STACK_LIMIT_HUGE
+
+/* This is the amount to subtract from u.u_ar0
+ to get the offset in the core file of the register values. */
+
+#define KERNEL_U_ADDR (0x80000000 - (UPAGES * NBPG))
+
+/* The magic numbers below are offsets into u_ar0 in the user struct.
+ They live in <machine/reg.h>. Gdb calls this macro with blockend
+ holding u.u_ar0 - KERNEL_U_ADDR. Only the registers listed are
+ saved in the u area (along with a few others that aren't useful
+ here. See <machine/reg.h>). */
+
+#define REGISTER_U_ADDR(addr, blockend, regno) \
+{ struct user foo; /* needed for finding fpu regs */ \
+switch (regno) { \
+ case 0: \
+ addr = blockend + EAX * sizeof(int); break; \
+ case 1: \
+ addr = blockend + EDX * sizeof(int); break; \
+ case 2: \
+ addr = blockend + ECX * sizeof(int); break; \
+ case 3: /* st(0) */ \
+ addr = blockend - \
+ ((int)&foo.u_fpusave.fpu_stack[0][0] - (int)&foo); \
+ break; \
+ case 4: /* st(1) */ \
+ addr = blockend - \
+ ((int) &foo.u_fpusave.fpu_stack[1][0] - (int)&foo); \
+ break; \
+ case 5: \
+ addr = blockend + EBX * sizeof(int); break; \
+ case 6: \
+ addr = blockend + ESI * sizeof(int); break; \
+ case 7: \
+ addr = blockend + EDI * sizeof(int); break; \
+ case 8: /* st(2) */ \
+ addr = blockend - \
+ ((int) &foo.u_fpusave.fpu_stack[2][0] - (int)&foo); \
+ break; \
+ case 9: /* st(3) */ \
+ addr = blockend - \
+ ((int) &foo.u_fpusave.fpu_stack[3][0] - (int)&foo); \
+ break; \
+ case 10: /* st(4) */ \
+ addr = blockend - \
+ ((int) &foo.u_fpusave.fpu_stack[4][0] - (int)&foo); \
+ break; \
+ case 11: /* st(5) */ \
+ addr = blockend - \
+ ((int) &foo.u_fpusave.fpu_stack[5][0] - (int)&foo); \
+ break; \
+ case 12: /* st(6) */ \
+ addr = blockend - \
+ ((int) &foo.u_fpusave.fpu_stack[6][0] - (int)&foo); \
+ break; \
+ case 13: /* st(7) */ \
+ addr = blockend - \
+ ((int) &foo.u_fpusave.fpu_stack[7][0] - (int)&foo); \
+ break; \
+ case 14: \
+ addr = blockend + ESP * sizeof(int); break; \
+ case 15: \
+ addr = blockend + EBP * sizeof(int); break; \
+ case 16: \
+ addr = blockend + EIP * sizeof(int); break; \
+ case 17: \
+ addr = blockend + FLAGS * sizeof(int); break; \
+ case 18: /* fp1 */ \
+ case 19: /* fp2 */ \
+ case 20: /* fp3 */ \
+ case 21: /* fp4 */ \
+ case 22: /* fp5 */ \
+ case 23: /* fp6 */ \
+ case 24: /* fp7 */ \
+ case 25: /* fp8 */ \
+ case 26: /* fp9 */ \
+ case 27: /* fp10 */ \
+ case 28: /* fp11 */ \
+ case 29: /* fp12 */ \
+ case 30: /* fp13 */ \
+ case 31: /* fp14 */ \
+ case 32: /* fp15 */ \
+ case 33: /* fp16 */ \
+ case 34: /* fp17 */ \
+ case 35: /* fp18 */ \
+ case 36: /* fp19 */ \
+ case 37: /* fp20 */ \
+ case 38: /* fp21 */ \
+ case 39: /* fp22 */ \
+ case 40: /* fp23 */ \
+ case 41: /* fp24 */ \
+ case 42: /* fp25 */ \
+ case 43: /* fp26 */ \
+ case 44: /* fp27 */ \
+ case 45: /* fp28 */ \
+ case 46: /* fp29 */ \
+ case 47: /* fp30 */ \
+ case 48: /* fp31 */ \
+ addr = blockend - \
+ ((int) &foo.u_fpasave.fpa_regs[(regno)-18] - (int)&foo); \
+ } \
+}
+
+/* Override copies of {fetch,store}_inferior_registers in infptrace.c. */
+
+#define FETCH_INFERIOR_REGISTERS
+
+/* We must fetch all the regs before storing, since we store all at once. */
+
+#define CHILD_PREPARE_TO_STORE() read_register_bytes (0, NULL, REGISTER_BYTES)
+
+/* Interface definitions for kernel debugger KDB. */
+/* This doesn't work... */
+/* Map machine fault codes into signal numbers.
+ First subtract 0, divide by 4, then index in a table.
+ Faults for which the entry in this table is 0
+ are not handled by KDB; the program's own trap handler
+ gets to handle then. */
+
+#define FAULT_CODE_ORIGIN 0
+#define FAULT_CODE_UNITS 4
+#define FAULT_TABLE \
+{ 0, SIGKILL, SIGSEGV, 0, 0, 0, 0, 0, \
+ 0, 0, SIGTRAP, SIGTRAP, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 0, 0, 0, 0}
+
+/* Start running with a stack stretching from BEG to END.
+ BEG and END should be symbols meaningful to the assembler.
+ This is used only for kdb. */
+
+#define INIT_STACK(beg, end) \
+{ asm (".globl end"); \
+ asm ("movl $ end, %esp"); \
+ asm ("movl %ebp, $0"); }
+
+/* Push the frame pointer register on the stack. */
+#define PUSH_FRAME_PTR \
+ asm ("pushl %ebp");
+
+/* Copy the top-of-stack to the frame pointer register. */
+#define POP_FRAME_PTR \
+ asm ("movl (%esp), %ebp");
+
+/* After KDB is entered by a fault, push all registers
+ that GDB thinks about (all NUM_REGS of them),
+ so that they appear in order of ascending GDB register number.
+ The fault code will be on the stack beyond the last register. */
+
+#define PUSH_REGISTERS \
+{ asm("pushad"); }
+/*
+{ asm("pushl %eax"); \
+ asm("pushl %edx"); \
+ asm("pushl %ecx"); \
+ asm("pushl %st(0)"); \
+ asm("pushl %st(1)"); \
+ asm("pushl %ebx"); \
+ asm("pushl %esi"); \
+ asm("pushl %edi"); \
+ asm("pushl %st(2)"); \
+ asm("pushl %st(3)"); \
+ asm("pushl %st(4)"); \
+ asm("pushl %st(5)"); \
+ asm("pushl %st(6)"); \
+ asm("pushl %st(7)"); \
+ asm("pushl %esp"); \
+ asm("pushl %ebp"); \
+ asm("pushl %eip"); \
+ asm("pushl %eflags"); \
+ asm("pushl %fp1"); \
+ asm("pushl %fp2"); \
+ asm("pushl %fp3"); \
+ asm("pushl %fp4"); \
+ asm("pushl %fp5"); \
+ asm("pushl %fp6"); \
+ asm("pushl %fp7"); \
+ asm("pushl %fp8"); \
+ asm("pushl %fp9"); \
+ asm("pushl %fp10"); \
+ asm("pushl %fp11"); \
+ asm("pushl %fp12"); \
+ asm("pushl %fp13"); \
+ asm("pushl %fp14"); \
+ asm("pushl %fp15"); \
+ asm("pushl %fp16"); \
+ asm("pushl %fp17"); \
+ asm("pushl %fp18"); \
+ asm("pushl %fp19"); \
+ asm("pushl %fp20"); \
+ asm("pushl %fp21"); \
+ asm("pushl %fp22"); \
+ asm("pushl %fp23"); \
+ asm("pushl %fp24"); \
+ asm("pushl %fp25"); \
+ asm("pushl %fp26"); \
+ asm("pushl %fp27"); \
+ asm("pushl %fp28"); \
+ asm("pushl %fp29"); \
+ asm("pushl %fp30"); \
+ asm("pushl %fp31"); \
+}
+*/
+/* Assuming the registers (including processor status) have been
+ pushed on the stack in order of ascending GDB register number,
+ restore them and return to the address in the saved PC register. */
+
+#define POP_REGISTERS \
+{ asm ("popad"); }