diff options
Diffstat (limited to 'gdb/config/convex/tm-convex.h')
| -rw-r--r-- | gdb/config/convex/tm-convex.h | 972 |
1 files changed, 486 insertions, 486 deletions
diff --git a/gdb/config/convex/tm-convex.h b/gdb/config/convex/tm-convex.h index 212f39d..953f767 100644 --- a/gdb/config/convex/tm-convex.h +++ b/gdb/config/convex/tm-convex.h @@ -1,486 +1,486 @@ -/* Definitions to make GDB run on Convex Unix (4bsd) - Copyright 1989, 1991, 1993 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#define TARGET_BYTE_ORDER BIG_ENDIAN - -/* There is come problem with the debugging symbols generated by the - compiler such that the debugging symbol for the first line of a - function overlap with the function prologue. */ -#define PROLOGUE_FIRSTLINE_OVERLAP - -/* When convex pcc says CHAR or SHORT, it provides the correct address. */ - -#define BELIEVE_PCC_PROMOTION 1 - -/* Symbol types to ignore. */ -/* 0xc4 is N_MONPT. Use the numeric value for the benefit of people - with (rather) old OS's. */ -#define IGNORE_SYMBOL(TYPE) \ - (((TYPE) & ~N_EXT) == N_TBSS \ - || ((TYPE) & ~N_EXT) == N_TDATA \ - || ((TYPE) & ~N_EXT) == 0xc4) - -/* 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. - Convex prolog is: - [sub.w #-,sp] in one of 3 possible sizes - [mov psw,- fc/vc main program prolog - and #-,- (skip it because the "mov psw" saves the - mov -,psw] T bit, so continue gets a surprise trap) - [and #-,sp] fc/vc O2 main program prolog - [ld.- -(ap),-] pcc/gcc register arg loads -*/ - -extern CORE_ADDR convex_skip_prologue PARAMS ((CORE_ADDR pc)); -#define SKIP_PROLOGUE(pc) (convex_skip_prologue (pc)) - -/* Immediately after a function call, return the saved pc. - (ignore frame and return *$sp so we can handle both calls and callq) */ - -#define SAVED_PC_AFTER_CALL(frame) \ - read_memory_integer (read_register (SP_REGNUM), 4) - -/* Address of end of stack space. - This is ((USRSTACK + 0xfff) & -0x1000)) from <convex/vmparam.h> but - that expression depends on the kernel version; instead, fetch a - page-zero pointer and get it from that. This will be invalid if - they ever change the way bkpt signals are delivered. */ - -#define STACK_END_ADDR (0xfffff000 & *(unsigned *) 0x80000050) - -/* User-mode traps push an extended rtn block, - then fault with one of the following PCs */ - -#define is_trace_pc(pc) ((unsigned) ((pc) - (*(int *) 0x80000040)) <= 4) -#define is_arith_pc(pc) ((unsigned) ((pc) - (*(int *) 0x80000044)) <= 4) -#define is_break_pc(pc) ((unsigned) ((pc) - (*(int *) 0x80000050)) <= 4) - -/* We need to manipulate trap bits in the psw */ - -#define PSW_TRAP_FLAGS 0x69670000 -#define PSW_T_BIT 0x08000000 -#define PSW_S_BIT 0x01000000 - -/* Stack grows downward. */ - -#define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) - -/* Sequence of bytes for breakpoint instruction. (bkpt) */ - -#define BREAKPOINT {0x7d,0x50} - -/* Amount PC must be decremented by after a breakpoint. - This is often the number of bytes in BREAKPOINT but not always. - (The break PC needs to be decremented by 2, but we do it when the - break frame is recognized and popped. That way gdb can tell breaks - from trace traps with certainty.) */ - -#define DECR_PC_AFTER_BREAK 0 - -/* 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 8 - -/* Number of machine registers */ - -#define NUM_REGS 26 - -/* Initializer for an array of names of registers. - There should be NUM_REGS strings in this initializer. */ - -#define REGISTER_NAMES {"pc","psw","fp","ap","a5","a4","a3","a2","a1","sp",\ - "s7","s6","s5","s4","s3","s2","s1","s0",\ - "S7","S6","S5","S4","S3","S2","S1","S0"} - -/* 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 S0_REGNUM 25 /* the real S regs */ -#define S7_REGNUM 18 -#define s0_REGNUM 17 /* low-order halves of S regs */ -#define s7_REGNUM 10 -#define SP_REGNUM 9 /* A regs */ -#define A1_REGNUM 8 -#define A5_REGNUM 4 -#define AP_REGNUM 3 -#define FP_REGNUM 2 /* Contains address of executing stack frame */ -#define PS_REGNUM 1 /* Contains processor status */ -#define PC_REGNUM 0 /* Contains program counter */ - -/* convert dbx stab register number (from `r' declaration) to a gdb REGNUM */ - -#define STAB_REG_TO_REGNUM(value) \ - ((value) < 8 ? S0_REGNUM - (value) : SP_REGNUM - ((value) - 8)) - -/* Vector register numbers, not handled as ordinary regs. - They are treated as convenience variables whose values are read - from the inferior when needed. */ - -#define V0_REGNUM 0 -#define V7_REGNUM 7 -#define VM_REGNUM 8 -#define VS_REGNUM 9 -#define VL_REGNUM 10 - -/* Total amount of space needed to store our copies of the machine's - register state, the array `registers'. */ -#define REGISTER_BYTES (4*10 + 8*8) - -/* Index within `registers' of the first byte of the space for - register N. - NB: must match structure of struct syscall_context for correct operation */ - -#define REGISTER_BYTE(N) ((N) < s7_REGNUM ? 4*(N) : \ - (N) < S7_REGNUM ? 44 + 8 * ((N)-s7_REGNUM) : \ - 40 + 8 * ((N)-S7_REGNUM)) - -/* Number of bytes of storage in the actual machine representation - for register N. */ - -#define REGISTER_RAW_SIZE(N) ((N) < S7_REGNUM ? 4 : 8) - -/* Number of bytes of storage in the program's representation - for register N. */ - -#define REGISTER_VIRTUAL_SIZE(N) REGISTER_RAW_SIZE(N) - -/* Largest value REGISTER_RAW_SIZE can have. */ - -#define MAX_REGISTER_RAW_SIZE 8 - -/* Largest value REGISTER_VIRTUAL_SIZE can have. */ - -#define MAX_REGISTER_VIRTUAL_SIZE 8 - -/* Return the GDB type object for the "standard" data type - of data in register N. */ - -#define REGISTER_VIRTUAL_TYPE(N) \ - ((N) < S7_REGNUM ? builtin_type_int : builtin_type_long_long) - -/* 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) \ - { write_register (A1_REGNUM, (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. */ - -#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ - memcpy (VALBUF, &((char *) REGBUF) [REGISTER_BYTE (S0_REGNUM) + \ - 8 - TYPE_LENGTH (TYPE)],\ - TYPE_LENGTH (TYPE)) - -/* Write into appropriate registers a function return value - of type TYPE, given in virtual format. */ - -#define STORE_RETURN_VALUE(TYPE,VALBUF) \ - write_register_bytes (REGISTER_BYTE (S0_REGNUM), VALBUF, 8) - -/* 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 *) & ((char *) REGBUF) [REGISTER_BYTE (s0_REGNUM)]) - -/* Define trapped internal variable hooks to read and write - vector and communication registers. */ - -#define IS_TRAPPED_INTERNALVAR is_trapped_internalvar -#define VALUE_OF_TRAPPED_INTERNALVAR value_of_trapped_internalvar -#define SET_TRAPPED_INTERNALVAR set_trapped_internalvar - -extern struct value *value_of_trapped_internalvar (); - -/* Hooks to read data from soff exec and core files, - and to describe the files. */ - -#define FILES_INFO_HOOK print_maps - -/* Hook to call to print a typeless integer value, normally printed in decimal. - For convex, use hex instead if the number looks like an address. */ - -#define PRINT_TYPELESS_INTEGER decout - -/* For the native compiler, variables for a particular lexical context - are listed after the beginning LBRAC instead of before in the - executables list of symbols. Using "gcc_compiled." to distinguish - between GCC and native compiler doesn't work on Convex because the - linker sorts the symbols to put "gcc_compiled." in the wrong place. - desc is nonzero for native, zero for gcc. */ -#define VARIABLES_INSIDE_BLOCK(desc, gcc_p) (desc != 0) - -/* Pcc occaisionally puts an SO where there should be an SOL. */ -#define PCC_SOL_BROKEN - -/* Describe the pointer in each stack frame to the previous stack frame - (its caller). */ - -/* FRAME_CHAIN takes a frame_info with a frame's nominal address in fi->frame, - and produces the frame's chain-pointer. */ - -/* (caller fp is saved at 8(fp)) */ - -#define FRAME_CHAIN(fi) (read_memory_integer ((fi)->frame + 8, 4)) - -/* Define other aspects of the stack frame. */ - -/* We need the boundaries of the text in the exec file, as a kludge, - for FRAMELESS_FUNCTION_INVOCATION and CALL_DUMMY_LOCATION. */ - -#define NEED_TEXT_START_END 1 - -/* An expression that tells us whether the function invocation represented - by FI does not have a frame on the stack associated with it. - On convex, check at the return address for `callq' -- if so, frameless, - otherwise, not. */ - -extern int convex_frameless_function_invocation PARAMS ((struct frame_info *fi)); -#define FRAMELESS_FUNCTION_INVOCATION(FI) (convex_frameless_function_invocatio (FI)) - -#define FRAME_SAVED_PC(fi) (read_memory_integer ((fi)->frame, 4)) - -#define FRAME_ARGS_ADDRESS(fi) (read_memory_integer ((fi)->frame + 12, 4)) - -#define FRAME_LOCALS_ADDRESS(fi) (fi)->frame - -/* Return number of args passed to a frame. - Can return -1, meaning no way to tell. */ - -extern int convex_frame_num_args PARAMS ((struct frame_info *fi)); -#define FRAME_NUM_ARGS(fi) (convex_frame_num_args ((fi))) - -/* Return number of bytes at start of arglist that are not really args. */ - -#define FRAME_ARGS_SKIP 0 - -/* 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. */ - -/* Normal (short) frames save only PC, FP, (callee's) AP. To reasonably - handle gcc and pcc register variables, scan the code following the - call for the instructions the compiler inserts to reload register - variables from stack slots and record the stack slots as the saved - locations of those registers. This will occasionally identify some - random load as a saved register; this is harmless. vc does not - declare its register allocation actions in the stabs. */ - -#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ -{ register int regnum; \ - register int frame_length = /* 3 short, 2 long, 1 extended, 0 context */\ - (read_memory_integer ((frame_info)->frame + 4, 4) >> 25) & 3; \ - register CORE_ADDR frame_fp = \ - read_memory_integer ((frame_info)->frame + 8, 4); \ - register CORE_ADDR next_addr; \ - memset (&frame_saved_regs, '\0', sizeof frame_saved_regs); \ - (frame_saved_regs).regs[PC_REGNUM] = (frame_info)->frame + 0; \ - (frame_saved_regs).regs[PS_REGNUM] = (frame_info)->frame + 4; \ - (frame_saved_regs).regs[FP_REGNUM] = (frame_info)->frame + 8; \ - (frame_saved_regs).regs[AP_REGNUM] = frame_fp + 12; \ - next_addr = (frame_info)->frame + 12; \ - if (frame_length < 3) \ - for (regnum = A5_REGNUM; regnum < SP_REGNUM; ++regnum) \ - (frame_saved_regs).regs[regnum] = (next_addr += 4); \ - if (frame_length < 2) \ - (frame_saved_regs).regs[SP_REGNUM] = (next_addr += 4); \ - next_addr -= 4; \ - if (frame_length < 3) \ - for (regnum = S7_REGNUM; regnum < S0_REGNUM; ++regnum) \ - (frame_saved_regs).regs[regnum] = (next_addr += 8); \ - if (frame_length < 2) \ - (frame_saved_regs).regs[S0_REGNUM] = (next_addr += 8); \ - else \ - (frame_saved_regs).regs[SP_REGNUM] = next_addr + 8; \ - if (frame_length == 3) { \ - CORE_ADDR pc = read_memory_integer ((frame_info)->frame, 4); \ - int op, ix, disp; \ - op = read_memory_integer (pc, 2); \ - if ((op & 0xffc7) == 0x1480) pc += 4; /* add.w #-,sp */ \ - else if ((op & 0xffc7) == 0x58c0) pc += 2; /* add.w #-,sp */ \ - op = read_memory_integer (pc, 2); \ - if ((op & 0xffc7) == 0x2a06) pc += 4; /* ld.w -,ap */ \ - for (;;) { \ - op = read_memory_integer (pc, 2); \ - ix = (op >> 3) & 7; \ - if ((op & 0xfcc0) == 0x2800) { /* ld.- -,ak */ \ - regnum = SP_REGNUM - (op & 7); \ - disp = read_memory_integer (pc + 2, 2); \ - pc += 4;} \ - else if ((op & 0xfcc0) == 0x2840) { /* ld.- -,ak */ \ - regnum = SP_REGNUM - (op & 7); \ - disp = read_memory_integer (pc + 2, 4); \ - pc += 6;} \ - if ((op & 0xfcc0) == 0x3000) { /* ld.- -,sk */ \ - regnum = S0_REGNUM - (op & 7); \ - disp = read_memory_integer (pc + 2, 2); \ - pc += 4;} \ - else if ((op & 0xfcc0) == 0x3040) { /* ld.- -,sk */ \ - regnum = S0_REGNUM - (op & 7); \ - disp = read_memory_integer (pc + 2, 4); \ - pc += 6;} \ - else if ((op & 0xff00) == 0x7100) { /* br crossjump */ \ - pc += 2 * (char) op; \ - continue;} \ - else if (op == 0x0140) { /* jmp crossjump */ \ - pc = read_memory_integer (pc + 2, 4); \ - continue;} \ - else break; \ - if ((frame_saved_regs).regs[regnum]) \ - break; \ - if (ix == 7) disp += frame_fp; \ - else if (ix == 6) disp += read_memory_integer (frame_fp + 12, 4); \ - else if (ix != 0) break; \ - (frame_saved_regs).regs[regnum] = \ - disp - 8 + (1 << ((op >> 8) & 3)); \ - if (regnum >= S7_REGNUM) \ - (frame_saved_regs).regs[regnum - S0_REGNUM + s0_REGNUM] = \ - disp - 4 + (1 << ((op >> 8) & 3)); \ - } \ - } \ -} - -/* Things needed for making the inferior call functions. */ - -#define CALL_DUMMY_LOCATION BEFORE_TEXT_END - -/* Push an empty stack frame, to record the current PC, etc. */ - -#define PUSH_DUMMY_FRAME \ -{ register CORE_ADDR sp = read_register (SP_REGNUM); \ - register int regnum; \ - char buf[8]; \ - long word; \ - for (regnum = S0_REGNUM; regnum >= S7_REGNUM; --regnum) { \ - read_register_bytes (REGISTER_BYTE (regnum), buf, 8); \ - sp = push_bytes (sp, buf, 8);} \ - for (regnum = SP_REGNUM; regnum >= FP_REGNUM; --regnum) { \ - word = read_register (regnum); \ - sp = push_bytes (sp, &word, 4);} \ - word = (read_register (PS_REGNUM) &~ (3<<25)) | (1<<25); \ - sp = push_bytes (sp, &word, 4); \ - word = read_register (PC_REGNUM); \ - sp = push_bytes (sp, &word, 4); \ - write_register (SP_REGNUM, sp); \ - write_register (FP_REGNUM, sp); \ - write_register (AP_REGNUM, sp);} - -/* Discard from the stack the innermost frame, restoring all registers. */ - -#define POP_FRAME do {\ - register CORE_ADDR fp = read_register (FP_REGNUM); \ - register int regnum; \ - register int frame_length = /* 3 short, 2 long, 1 extended, 0 context */ \ - (read_memory_integer (fp + 4, 4) >> 25) & 3; \ - char buf[8]; \ - write_register (PC_REGNUM, read_memory_integer (fp, 4)); \ - write_register (PS_REGNUM, read_memory_integer (fp += 4, 4)); \ - write_register (FP_REGNUM, read_memory_integer (fp += 4, 4)); \ - write_register (AP_REGNUM, read_memory_integer (fp += 4, 4)); \ - if (frame_length < 3) \ - for (regnum = A5_REGNUM; regnum < SP_REGNUM; ++regnum) \ - write_register (regnum, read_memory_integer (fp += 4, 4)); \ - if (frame_length < 2) \ - write_register (SP_REGNUM, read_memory_integer (fp += 4, 4)); \ - fp -= 4; \ - if (frame_length < 3) \ - for (regnum = S7_REGNUM; regnum < S0_REGNUM; ++regnum) { \ - read_memory (fp += 8, buf, 8); \ - write_register_bytes (REGISTER_BYTE (regnum), buf, 8);} \ - if (frame_length < 2) { \ - read_memory (fp += 8, buf, 8); \ - write_register_bytes (REGISTER_BYTE (regnum), buf, 8);} \ - else write_register (SP_REGNUM, fp + 8); \ - flush_cached_frames (); \ -} while (0) - -/* This sequence of words is the instructions - mov sp,ap - pshea 69696969 - calls 32323232 - bkpt - Note this is 16 bytes. */ - -#define CALL_DUMMY {0x50860d4069696969LL,0x2140323232327d50LL} - -#define CALL_DUMMY_LENGTH 16 - -#define CALL_DUMMY_START_OFFSET 0 - -/* 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 *)((char *) dummyname + 4) = nargs; \ - *(int *)((char *) dummyname + 10) = fun; } - -/* Defs to read soff symbol tables, see dbxread.c */ - -#define NUMBER_OF_SYMBOLS ((long) opthdr.o_nsyms) -#define STRING_TABLE_OFFSET ((long) filehdr.h_strptr) -#define SYMBOL_TABLE_OFFSET ((long) opthdr.o_symptr) -#define STRING_TABLE_SIZE ((long) filehdr.h_strsiz) -#define SIZE_OF_TEXT_SEGMENT ((long) txthdr.s_size) -#define ENTRY_POINT ((long) opthdr.o_entry) - -#define READ_STRING_TABLE_SIZE(BUFFER) \ - (BUFFER = STRING_TABLE_SIZE) - -#define DECLARE_FILE_HEADERS \ - FILEHDR filehdr; \ - OPTHDR opthdr; \ - SCNHDR txthdr - -#define READ_FILE_HEADERS(DESC,NAME) \ -{ \ - int n; \ - val = myread (DESC, &filehdr, sizeof filehdr); \ - if (val < 0) \ - perror_with_name (NAME); \ - if (! IS_SOFF_MAGIC (filehdr.h_magic)) \ - error ("%s: not an executable file.", NAME); \ - lseek (DESC, 0L, 0); \ - if (myread (DESC, &filehdr, sizeof filehdr) < 0) \ - perror_with_name (NAME); \ - if (myread (DESC, &opthdr, filehdr.h_opthdr) <= 0) \ - perror_with_name (NAME); \ - for (n = 0; n < filehdr.h_nscns; n++) \ - { \ - if (myread (DESC, &txthdr, sizeof txthdr) < 0) \ - perror_with_name (NAME); \ - if ((txthdr.s_flags & S_TYPMASK) == S_TEXT) \ - break; \ - } \ -} +/* OBSOLETE /* Definitions to make GDB run on Convex Unix (4bsd) */ +/* OBSOLETE Copyright 1989, 1991, 1993 Free Software Foundation, Inc. */ +/* OBSOLETE */ +/* OBSOLETE This file is part of GDB. */ +/* OBSOLETE */ +/* OBSOLETE This program is free software; you can redistribute it and/or modify */ +/* OBSOLETE it under the terms of the GNU General Public License as published by */ +/* OBSOLETE the Free Software Foundation; either version 2 of the License, or */ +/* OBSOLETE (at your option) any later version. */ +/* OBSOLETE */ +/* OBSOLETE This program is distributed in the hope that it will be useful, */ +/* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */ +/* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ +/* OBSOLETE GNU General Public License for more details. */ +/* OBSOLETE */ +/* OBSOLETE You should have received a copy of the GNU General Public License */ +/* OBSOLETE along with this program; if not, write to the Free Software */ +/* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define TARGET_BYTE_ORDER BIG_ENDIAN */ +/* OBSOLETE */ +/* OBSOLETE /* There is come problem with the debugging symbols generated by the */ +/* OBSOLETE compiler such that the debugging symbol for the first line of a */ +/* OBSOLETE function overlap with the function prologue. *x/ */ +/* OBSOLETE #define PROLOGUE_FIRSTLINE_OVERLAP */ +/* OBSOLETE */ +/* OBSOLETE /* When convex pcc says CHAR or SHORT, it provides the correct address. *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define BELIEVE_PCC_PROMOTION 1 */ +/* OBSOLETE */ +/* OBSOLETE /* Symbol types to ignore. *x/ */ +/* OBSOLETE /* 0xc4 is N_MONPT. Use the numeric value for the benefit of people */ +/* OBSOLETE with (rather) old OS's. *x/ */ +/* OBSOLETE #define IGNORE_SYMBOL(TYPE) \ */ +/* OBSOLETE (((TYPE) & ~N_EXT) == N_TBSS \ */ +/* OBSOLETE || ((TYPE) & ~N_EXT) == N_TDATA \ */ +/* OBSOLETE || ((TYPE) & ~N_EXT) == 0xc4) */ +/* OBSOLETE */ +/* OBSOLETE /* Offset from address of function to start of its code. */ +/* OBSOLETE Zero on most machines. *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define FUNCTION_START_OFFSET 0 */ +/* OBSOLETE */ +/* OBSOLETE /* Advance PC across any function entry prologue instructions */ +/* OBSOLETE to reach some "real" code. */ +/* OBSOLETE Convex prolog is: */ +/* OBSOLETE [sub.w #-,sp] in one of 3 possible sizes */ +/* OBSOLETE [mov psw,- fc/vc main program prolog */ +/* OBSOLETE and #-,- (skip it because the "mov psw" saves the */ +/* OBSOLETE mov -,psw] T bit, so continue gets a surprise trap) */ +/* OBSOLETE [and #-,sp] fc/vc O2 main program prolog */ +/* OBSOLETE [ld.- -(ap),-] pcc/gcc register arg loads */ +/* OBSOLETE *x/ */ +/* OBSOLETE */ +/* OBSOLETE extern CORE_ADDR convex_skip_prologue PARAMS ((CORE_ADDR pc)); */ +/* OBSOLETE #define SKIP_PROLOGUE(pc) (convex_skip_prologue (pc)) */ +/* OBSOLETE */ +/* OBSOLETE /* Immediately after a function call, return the saved pc. */ +/* OBSOLETE (ignore frame and return *$sp so we can handle both calls and callq) *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define SAVED_PC_AFTER_CALL(frame) \ */ +/* OBSOLETE read_memory_integer (read_register (SP_REGNUM), 4) */ +/* OBSOLETE */ +/* OBSOLETE /* Address of end of stack space. */ +/* OBSOLETE This is ((USRSTACK + 0xfff) & -0x1000)) from <convex/vmparam.h> but */ +/* OBSOLETE that expression depends on the kernel version; instead, fetch a */ +/* OBSOLETE page-zero pointer and get it from that. This will be invalid if */ +/* OBSOLETE they ever change the way bkpt signals are delivered. *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define STACK_END_ADDR (0xfffff000 & *(unsigned *) 0x80000050) */ +/* OBSOLETE */ +/* OBSOLETE /* User-mode traps push an extended rtn block, */ +/* OBSOLETE then fault with one of the following PCs *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define is_trace_pc(pc) ((unsigned) ((pc) - (*(int *) 0x80000040)) <= 4) */ +/* OBSOLETE #define is_arith_pc(pc) ((unsigned) ((pc) - (*(int *) 0x80000044)) <= 4) */ +/* OBSOLETE #define is_break_pc(pc) ((unsigned) ((pc) - (*(int *) 0x80000050)) <= 4) */ +/* OBSOLETE */ +/* OBSOLETE /* We need to manipulate trap bits in the psw *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define PSW_TRAP_FLAGS 0x69670000 */ +/* OBSOLETE #define PSW_T_BIT 0x08000000 */ +/* OBSOLETE #define PSW_S_BIT 0x01000000 */ +/* OBSOLETE */ +/* OBSOLETE /* Stack grows downward. *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) */ +/* OBSOLETE */ +/* OBSOLETE /* Sequence of bytes for breakpoint instruction. (bkpt) *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define BREAKPOINT {0x7d,0x50} */ +/* OBSOLETE */ +/* OBSOLETE /* Amount PC must be decremented by after a breakpoint. */ +/* OBSOLETE This is often the number of bytes in BREAKPOINT but not always. */ +/* OBSOLETE (The break PC needs to be decremented by 2, but we do it when the */ +/* OBSOLETE break frame is recognized and popped. That way gdb can tell breaks */ +/* OBSOLETE from trace traps with certainty.) *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define DECR_PC_AFTER_BREAK 0 */ +/* OBSOLETE */ +/* OBSOLETE /* Say how long (ordinary) registers are. This is a piece of bogosity */ +/* OBSOLETE used in push_word and a few other places; REGISTER_RAW_SIZE is the */ +/* OBSOLETE real way to know how big a register is. *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define REGISTER_SIZE 8 */ +/* OBSOLETE */ +/* OBSOLETE /* Number of machine registers *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define NUM_REGS 26 */ +/* OBSOLETE */ +/* OBSOLETE /* Initializer for an array of names of registers. */ +/* OBSOLETE There should be NUM_REGS strings in this initializer. *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define REGISTER_NAMES {"pc","psw","fp","ap","a5","a4","a3","a2","a1","sp",\ */ +/* OBSOLETE "s7","s6","s5","s4","s3","s2","s1","s0",\ */ +/* OBSOLETE "S7","S6","S5","S4","S3","S2","S1","S0"} */ +/* OBSOLETE */ +/* OBSOLETE /* Register numbers of various important registers. */ +/* OBSOLETE Note that some of these values are "real" register numbers, */ +/* OBSOLETE and correspond to the general registers of the machine, */ +/* OBSOLETE and some are "phony" register numbers which are too large */ +/* OBSOLETE to be actual register numbers as far as the user is concerned */ +/* OBSOLETE but do serve to get the desired values when passed to read_register. *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define S0_REGNUM 25 /* the real S regs *x/ */ +/* OBSOLETE #define S7_REGNUM 18 */ +/* OBSOLETE #define s0_REGNUM 17 /* low-order halves of S regs *x/ */ +/* OBSOLETE #define s7_REGNUM 10 */ +/* OBSOLETE #define SP_REGNUM 9 /* A regs *x/ */ +/* OBSOLETE #define A1_REGNUM 8 */ +/* OBSOLETE #define A5_REGNUM 4 */ +/* OBSOLETE #define AP_REGNUM 3 */ +/* OBSOLETE #define FP_REGNUM 2 /* Contains address of executing stack frame *x/ */ +/* OBSOLETE #define PS_REGNUM 1 /* Contains processor status *x/ */ +/* OBSOLETE #define PC_REGNUM 0 /* Contains program counter *x/ */ +/* OBSOLETE */ +/* OBSOLETE /* convert dbx stab register number (from `r' declaration) to a gdb REGNUM *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define STAB_REG_TO_REGNUM(value) \ */ +/* OBSOLETE ((value) < 8 ? S0_REGNUM - (value) : SP_REGNUM - ((value) - 8)) */ +/* OBSOLETE */ +/* OBSOLETE /* Vector register numbers, not handled as ordinary regs. */ +/* OBSOLETE They are treated as convenience variables whose values are read */ +/* OBSOLETE from the inferior when needed. *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define V0_REGNUM 0 */ +/* OBSOLETE #define V7_REGNUM 7 */ +/* OBSOLETE #define VM_REGNUM 8 */ +/* OBSOLETE #define VS_REGNUM 9 */ +/* OBSOLETE #define VL_REGNUM 10 */ +/* OBSOLETE */ +/* OBSOLETE /* Total amount of space needed to store our copies of the machine's */ +/* OBSOLETE register state, the array `registers'. *x/ */ +/* OBSOLETE #define REGISTER_BYTES (4*10 + 8*8) */ +/* OBSOLETE */ +/* OBSOLETE /* Index within `registers' of the first byte of the space for */ +/* OBSOLETE register N. */ +/* OBSOLETE NB: must match structure of struct syscall_context for correct operation *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define REGISTER_BYTE(N) ((N) < s7_REGNUM ? 4*(N) : \ */ +/* OBSOLETE (N) < S7_REGNUM ? 44 + 8 * ((N)-s7_REGNUM) : \ */ +/* OBSOLETE 40 + 8 * ((N)-S7_REGNUM)) */ +/* OBSOLETE */ +/* OBSOLETE /* Number of bytes of storage in the actual machine representation */ +/* OBSOLETE for register N. *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define REGISTER_RAW_SIZE(N) ((N) < S7_REGNUM ? 4 : 8) */ +/* OBSOLETE */ +/* OBSOLETE /* Number of bytes of storage in the program's representation */ +/* OBSOLETE for register N. *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define REGISTER_VIRTUAL_SIZE(N) REGISTER_RAW_SIZE(N) */ +/* OBSOLETE */ +/* OBSOLETE /* Largest value REGISTER_RAW_SIZE can have. *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define MAX_REGISTER_RAW_SIZE 8 */ +/* OBSOLETE */ +/* OBSOLETE /* Largest value REGISTER_VIRTUAL_SIZE can have. *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define MAX_REGISTER_VIRTUAL_SIZE 8 */ +/* OBSOLETE */ +/* OBSOLETE /* Return the GDB type object for the "standard" data type */ +/* OBSOLETE of data in register N. *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define REGISTER_VIRTUAL_TYPE(N) \ */ +/* OBSOLETE ((N) < S7_REGNUM ? builtin_type_int : builtin_type_long_long) */ +/* OBSOLETE */ +/* OBSOLETE /* Store the address of the place in which to copy the structure the */ +/* OBSOLETE subroutine will return. This is called from call_function. *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define STORE_STRUCT_RETURN(ADDR, SP) \ */ +/* OBSOLETE { write_register (A1_REGNUM, (ADDR)); } */ +/* OBSOLETE */ +/* OBSOLETE /* Extract from an array REGBUF containing the (raw) register state */ +/* OBSOLETE a function return value of type TYPE, and copy that, in virtual format, */ +/* OBSOLETE into VALBUF. *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ */ +/* OBSOLETE memcpy (VALBUF, &((char *) REGBUF) [REGISTER_BYTE (S0_REGNUM) + \ */ +/* OBSOLETE 8 - TYPE_LENGTH (TYPE)],\ */ +/* OBSOLETE TYPE_LENGTH (TYPE)) */ +/* OBSOLETE */ +/* OBSOLETE /* Write into appropriate registers a function return value */ +/* OBSOLETE of type TYPE, given in virtual format. *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define STORE_RETURN_VALUE(TYPE,VALBUF) \ */ +/* OBSOLETE write_register_bytes (REGISTER_BYTE (S0_REGNUM), VALBUF, 8) */ +/* OBSOLETE */ +/* OBSOLETE /* Extract from an array REGBUF containing the (raw) register state */ +/* OBSOLETE the address in which a function should return its structure value, */ +/* OBSOLETE as a CORE_ADDR (or an expression that can be used as one). *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \ */ +/* OBSOLETE (*(int *) & ((char *) REGBUF) [REGISTER_BYTE (s0_REGNUM)]) */ +/* OBSOLETE */ +/* OBSOLETE /* Define trapped internal variable hooks to read and write */ +/* OBSOLETE vector and communication registers. *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define IS_TRAPPED_INTERNALVAR is_trapped_internalvar */ +/* OBSOLETE #define VALUE_OF_TRAPPED_INTERNALVAR value_of_trapped_internalvar */ +/* OBSOLETE #define SET_TRAPPED_INTERNALVAR set_trapped_internalvar */ +/* OBSOLETE */ +/* OBSOLETE extern struct value *value_of_trapped_internalvar (); */ +/* OBSOLETE */ +/* OBSOLETE /* Hooks to read data from soff exec and core files, */ +/* OBSOLETE and to describe the files. *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define FILES_INFO_HOOK print_maps */ +/* OBSOLETE */ +/* OBSOLETE /* Hook to call to print a typeless integer value, normally printed in decimal. */ +/* OBSOLETE For convex, use hex instead if the number looks like an address. *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define PRINT_TYPELESS_INTEGER decout */ +/* OBSOLETE */ +/* OBSOLETE /* For the native compiler, variables for a particular lexical context */ +/* OBSOLETE are listed after the beginning LBRAC instead of before in the */ +/* OBSOLETE executables list of symbols. Using "gcc_compiled." to distinguish */ +/* OBSOLETE between GCC and native compiler doesn't work on Convex because the */ +/* OBSOLETE linker sorts the symbols to put "gcc_compiled." in the wrong place. */ +/* OBSOLETE desc is nonzero for native, zero for gcc. *x/ */ +/* OBSOLETE #define VARIABLES_INSIDE_BLOCK(desc, gcc_p) (desc != 0) */ +/* OBSOLETE */ +/* OBSOLETE /* Pcc occaisionally puts an SO where there should be an SOL. *x/ */ +/* OBSOLETE #define PCC_SOL_BROKEN */ +/* OBSOLETE */ +/* OBSOLETE /* Describe the pointer in each stack frame to the previous stack frame */ +/* OBSOLETE (its caller). *x/ */ +/* OBSOLETE */ +/* OBSOLETE /* FRAME_CHAIN takes a frame_info with a frame's nominal address in fi->frame, */ +/* OBSOLETE and produces the frame's chain-pointer. *x/ */ +/* OBSOLETE */ +/* OBSOLETE /* (caller fp is saved at 8(fp)) *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define FRAME_CHAIN(fi) (read_memory_integer ((fi)->frame + 8, 4)) */ +/* OBSOLETE */ +/* OBSOLETE /* Define other aspects of the stack frame. *x/ */ +/* OBSOLETE */ +/* OBSOLETE /* We need the boundaries of the text in the exec file, as a kludge, */ +/* OBSOLETE for FRAMELESS_FUNCTION_INVOCATION and CALL_DUMMY_LOCATION. *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define NEED_TEXT_START_END 1 */ +/* OBSOLETE */ +/* OBSOLETE /* An expression that tells us whether the function invocation represented */ +/* OBSOLETE by FI does not have a frame on the stack associated with it. */ +/* OBSOLETE On convex, check at the return address for `callq' -- if so, frameless, */ +/* OBSOLETE otherwise, not. *x/ */ +/* OBSOLETE */ +/* OBSOLETE extern int convex_frameless_function_invocation PARAMS ((struct frame_info *fi)); */ +/* OBSOLETE #define FRAMELESS_FUNCTION_INVOCATION(FI) (convex_frameless_function_invocatio (FI)) */ +/* OBSOLETE */ +/* OBSOLETE #define FRAME_SAVED_PC(fi) (read_memory_integer ((fi)->frame, 4)) */ +/* OBSOLETE */ +/* OBSOLETE #define FRAME_ARGS_ADDRESS(fi) (read_memory_integer ((fi)->frame + 12, 4)) */ +/* OBSOLETE */ +/* OBSOLETE #define FRAME_LOCALS_ADDRESS(fi) (fi)->frame */ +/* OBSOLETE */ +/* OBSOLETE /* Return number of args passed to a frame. */ +/* OBSOLETE Can return -1, meaning no way to tell. *x/ */ +/* OBSOLETE */ +/* OBSOLETE extern int convex_frame_num_args PARAMS ((struct frame_info *fi)); */ +/* OBSOLETE #define FRAME_NUM_ARGS(fi) (convex_frame_num_args ((fi))) */ +/* OBSOLETE */ +/* OBSOLETE /* Return number of bytes at start of arglist that are not really args. *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define FRAME_ARGS_SKIP 0 */ +/* OBSOLETE */ +/* OBSOLETE /* Put here the code to store, into a struct frame_saved_regs, */ +/* OBSOLETE the addresses of the saved registers of frame described by FRAME_INFO. */ +/* OBSOLETE This includes special registers such as pc and fp saved in special */ +/* OBSOLETE ways in the stack frame. sp is even more special: */ +/* OBSOLETE the address we return for it IS the sp for the next frame. *x/ */ +/* OBSOLETE */ +/* OBSOLETE /* Normal (short) frames save only PC, FP, (callee's) AP. To reasonably */ +/* OBSOLETE handle gcc and pcc register variables, scan the code following the */ +/* OBSOLETE call for the instructions the compiler inserts to reload register */ +/* OBSOLETE variables from stack slots and record the stack slots as the saved */ +/* OBSOLETE locations of those registers. This will occasionally identify some */ +/* OBSOLETE random load as a saved register; this is harmless. vc does not */ +/* OBSOLETE declare its register allocation actions in the stabs. *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ */ +/* OBSOLETE { register int regnum; \ */ +/* OBSOLETE register int frame_length = /* 3 short, 2 long, 1 extended, 0 context *x/\ */ +/* OBSOLETE (read_memory_integer ((frame_info)->frame + 4, 4) >> 25) & 3; \ */ +/* OBSOLETE register CORE_ADDR frame_fp = \ */ +/* OBSOLETE read_memory_integer ((frame_info)->frame + 8, 4); \ */ +/* OBSOLETE register CORE_ADDR next_addr; \ */ +/* OBSOLETE memset (&frame_saved_regs, '\0', sizeof frame_saved_regs); \ */ +/* OBSOLETE (frame_saved_regs).regs[PC_REGNUM] = (frame_info)->frame + 0; \ */ +/* OBSOLETE (frame_saved_regs).regs[PS_REGNUM] = (frame_info)->frame + 4; \ */ +/* OBSOLETE (frame_saved_regs).regs[FP_REGNUM] = (frame_info)->frame + 8; \ */ +/* OBSOLETE (frame_saved_regs).regs[AP_REGNUM] = frame_fp + 12; \ */ +/* OBSOLETE next_addr = (frame_info)->frame + 12; \ */ +/* OBSOLETE if (frame_length < 3) \ */ +/* OBSOLETE for (regnum = A5_REGNUM; regnum < SP_REGNUM; ++regnum) \ */ +/* OBSOLETE (frame_saved_regs).regs[regnum] = (next_addr += 4); \ */ +/* OBSOLETE if (frame_length < 2) \ */ +/* OBSOLETE (frame_saved_regs).regs[SP_REGNUM] = (next_addr += 4); \ */ +/* OBSOLETE next_addr -= 4; \ */ +/* OBSOLETE if (frame_length < 3) \ */ +/* OBSOLETE for (regnum = S7_REGNUM; regnum < S0_REGNUM; ++regnum) \ */ +/* OBSOLETE (frame_saved_regs).regs[regnum] = (next_addr += 8); \ */ +/* OBSOLETE if (frame_length < 2) \ */ +/* OBSOLETE (frame_saved_regs).regs[S0_REGNUM] = (next_addr += 8); \ */ +/* OBSOLETE else \ */ +/* OBSOLETE (frame_saved_regs).regs[SP_REGNUM] = next_addr + 8; \ */ +/* OBSOLETE if (frame_length == 3) { \ */ +/* OBSOLETE CORE_ADDR pc = read_memory_integer ((frame_info)->frame, 4); \ */ +/* OBSOLETE int op, ix, disp; \ */ +/* OBSOLETE op = read_memory_integer (pc, 2); \ */ +/* OBSOLETE if ((op & 0xffc7) == 0x1480) pc += 4; /* add.w #-,sp *x/ \ */ +/* OBSOLETE else if ((op & 0xffc7) == 0x58c0) pc += 2; /* add.w #-,sp *x/ \ */ +/* OBSOLETE op = read_memory_integer (pc, 2); \ */ +/* OBSOLETE if ((op & 0xffc7) == 0x2a06) pc += 4; /* ld.w -,ap *x/ \ */ +/* OBSOLETE for (;;) { \ */ +/* OBSOLETE op = read_memory_integer (pc, 2); \ */ +/* OBSOLETE ix = (op >> 3) & 7; \ */ +/* OBSOLETE if ((op & 0xfcc0) == 0x2800) { /* ld.- -,ak *x/ \ */ +/* OBSOLETE regnum = SP_REGNUM - (op & 7); \ */ +/* OBSOLETE disp = read_memory_integer (pc + 2, 2); \ */ +/* OBSOLETE pc += 4;} \ */ +/* OBSOLETE else if ((op & 0xfcc0) == 0x2840) { /* ld.- -,ak *x/ \ */ +/* OBSOLETE regnum = SP_REGNUM - (op & 7); \ */ +/* OBSOLETE disp = read_memory_integer (pc + 2, 4); \ */ +/* OBSOLETE pc += 6;} \ */ +/* OBSOLETE if ((op & 0xfcc0) == 0x3000) { /* ld.- -,sk *x/ \ */ +/* OBSOLETE regnum = S0_REGNUM - (op & 7); \ */ +/* OBSOLETE disp = read_memory_integer (pc + 2, 2); \ */ +/* OBSOLETE pc += 4;} \ */ +/* OBSOLETE else if ((op & 0xfcc0) == 0x3040) { /* ld.- -,sk *x/ \ */ +/* OBSOLETE regnum = S0_REGNUM - (op & 7); \ */ +/* OBSOLETE disp = read_memory_integer (pc + 2, 4); \ */ +/* OBSOLETE pc += 6;} \ */ +/* OBSOLETE else if ((op & 0xff00) == 0x7100) { /* br crossjump *x/ \ */ +/* OBSOLETE pc += 2 * (char) op; \ */ +/* OBSOLETE continue;} \ */ +/* OBSOLETE else if (op == 0x0140) { /* jmp crossjump *x/ \ */ +/* OBSOLETE pc = read_memory_integer (pc + 2, 4); \ */ +/* OBSOLETE continue;} \ */ +/* OBSOLETE else break; \ */ +/* OBSOLETE if ((frame_saved_regs).regs[regnum]) \ */ +/* OBSOLETE break; \ */ +/* OBSOLETE if (ix == 7) disp += frame_fp; \ */ +/* OBSOLETE else if (ix == 6) disp += read_memory_integer (frame_fp + 12, 4); \ */ +/* OBSOLETE else if (ix != 0) break; \ */ +/* OBSOLETE (frame_saved_regs).regs[regnum] = \ */ +/* OBSOLETE disp - 8 + (1 << ((op >> 8) & 3)); \ */ +/* OBSOLETE if (regnum >= S7_REGNUM) \ */ +/* OBSOLETE (frame_saved_regs).regs[regnum - S0_REGNUM + s0_REGNUM] = \ */ +/* OBSOLETE disp - 4 + (1 << ((op >> 8) & 3)); \ */ +/* OBSOLETE } \ */ +/* OBSOLETE } \ */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Things needed for making the inferior call functions. *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define CALL_DUMMY_LOCATION BEFORE_TEXT_END */ +/* OBSOLETE */ +/* OBSOLETE /* Push an empty stack frame, to record the current PC, etc. *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define PUSH_DUMMY_FRAME \ */ +/* OBSOLETE { register CORE_ADDR sp = read_register (SP_REGNUM); \ */ +/* OBSOLETE register int regnum; \ */ +/* OBSOLETE char buf[8]; \ */ +/* OBSOLETE long word; \ */ +/* OBSOLETE for (regnum = S0_REGNUM; regnum >= S7_REGNUM; --regnum) { \ */ +/* OBSOLETE read_register_bytes (REGISTER_BYTE (regnum), buf, 8); \ */ +/* OBSOLETE sp = push_bytes (sp, buf, 8);} \ */ +/* OBSOLETE for (regnum = SP_REGNUM; regnum >= FP_REGNUM; --regnum) { \ */ +/* OBSOLETE word = read_register (regnum); \ */ +/* OBSOLETE sp = push_bytes (sp, &word, 4);} \ */ +/* OBSOLETE word = (read_register (PS_REGNUM) &~ (3<<25)) | (1<<25); \ */ +/* OBSOLETE sp = push_bytes (sp, &word, 4); \ */ +/* OBSOLETE word = read_register (PC_REGNUM); \ */ +/* OBSOLETE sp = push_bytes (sp, &word, 4); \ */ +/* OBSOLETE write_register (SP_REGNUM, sp); \ */ +/* OBSOLETE write_register (FP_REGNUM, sp); \ */ +/* OBSOLETE write_register (AP_REGNUM, sp);} */ +/* OBSOLETE */ +/* OBSOLETE /* Discard from the stack the innermost frame, restoring all registers. *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define POP_FRAME do {\ */ +/* OBSOLETE register CORE_ADDR fp = read_register (FP_REGNUM); \ */ +/* OBSOLETE register int regnum; \ */ +/* OBSOLETE register int frame_length = /* 3 short, 2 long, 1 extended, 0 context *x/ \ */ +/* OBSOLETE (read_memory_integer (fp + 4, 4) >> 25) & 3; \ */ +/* OBSOLETE char buf[8]; \ */ +/* OBSOLETE write_register (PC_REGNUM, read_memory_integer (fp, 4)); \ */ +/* OBSOLETE write_register (PS_REGNUM, read_memory_integer (fp += 4, 4)); \ */ +/* OBSOLETE write_register (FP_REGNUM, read_memory_integer (fp += 4, 4)); \ */ +/* OBSOLETE write_register (AP_REGNUM, read_memory_integer (fp += 4, 4)); \ */ +/* OBSOLETE if (frame_length < 3) \ */ +/* OBSOLETE for (regnum = A5_REGNUM; regnum < SP_REGNUM; ++regnum) \ */ +/* OBSOLETE write_register (regnum, read_memory_integer (fp += 4, 4)); \ */ +/* OBSOLETE if (frame_length < 2) \ */ +/* OBSOLETE write_register (SP_REGNUM, read_memory_integer (fp += 4, 4)); \ */ +/* OBSOLETE fp -= 4; \ */ +/* OBSOLETE if (frame_length < 3) \ */ +/* OBSOLETE for (regnum = S7_REGNUM; regnum < S0_REGNUM; ++regnum) { \ */ +/* OBSOLETE read_memory (fp += 8, buf, 8); \ */ +/* OBSOLETE write_register_bytes (REGISTER_BYTE (regnum), buf, 8);} \ */ +/* OBSOLETE if (frame_length < 2) { \ */ +/* OBSOLETE read_memory (fp += 8, buf, 8); \ */ +/* OBSOLETE write_register_bytes (REGISTER_BYTE (regnum), buf, 8);} \ */ +/* OBSOLETE else write_register (SP_REGNUM, fp + 8); \ */ +/* OBSOLETE flush_cached_frames (); \ */ +/* OBSOLETE } while (0) */ +/* OBSOLETE */ +/* OBSOLETE /* This sequence of words is the instructions */ +/* OBSOLETE mov sp,ap */ +/* OBSOLETE pshea 69696969 */ +/* OBSOLETE calls 32323232 */ +/* OBSOLETE bkpt */ +/* OBSOLETE Note this is 16 bytes. *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define CALL_DUMMY {0x50860d4069696969LL,0x2140323232327d50LL} */ +/* OBSOLETE */ +/* OBSOLETE #define CALL_DUMMY_LENGTH 16 */ +/* OBSOLETE */ +/* OBSOLETE #define CALL_DUMMY_START_OFFSET 0 */ +/* OBSOLETE */ +/* OBSOLETE /* Insert the specified number of args and function address */ +/* OBSOLETE into a call sequence of the above form stored at DUMMYNAME. *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \ */ +/* OBSOLETE { *(int *)((char *) dummyname + 4) = nargs; \ */ +/* OBSOLETE *(int *)((char *) dummyname + 10) = fun; } */ +/* OBSOLETE */ +/* OBSOLETE /* Defs to read soff symbol tables, see dbxread.c *x/ */ +/* OBSOLETE */ +/* OBSOLETE #define NUMBER_OF_SYMBOLS ((long) opthdr.o_nsyms) */ +/* OBSOLETE #define STRING_TABLE_OFFSET ((long) filehdr.h_strptr) */ +/* OBSOLETE #define SYMBOL_TABLE_OFFSET ((long) opthdr.o_symptr) */ +/* OBSOLETE #define STRING_TABLE_SIZE ((long) filehdr.h_strsiz) */ +/* OBSOLETE #define SIZE_OF_TEXT_SEGMENT ((long) txthdr.s_size) */ +/* OBSOLETE #define ENTRY_POINT ((long) opthdr.o_entry) */ +/* OBSOLETE */ +/* OBSOLETE #define READ_STRING_TABLE_SIZE(BUFFER) \ */ +/* OBSOLETE (BUFFER = STRING_TABLE_SIZE) */ +/* OBSOLETE */ +/* OBSOLETE #define DECLARE_FILE_HEADERS \ */ +/* OBSOLETE FILEHDR filehdr; \ */ +/* OBSOLETE OPTHDR opthdr; \ */ +/* OBSOLETE SCNHDR txthdr */ +/* OBSOLETE */ +/* OBSOLETE #define READ_FILE_HEADERS(DESC,NAME) \ */ +/* OBSOLETE { \ */ +/* OBSOLETE int n; \ */ +/* OBSOLETE val = myread (DESC, &filehdr, sizeof filehdr); \ */ +/* OBSOLETE if (val < 0) \ */ +/* OBSOLETE perror_with_name (NAME); \ */ +/* OBSOLETE if (! IS_SOFF_MAGIC (filehdr.h_magic)) \ */ +/* OBSOLETE error ("%s: not an executable file.", NAME); \ */ +/* OBSOLETE lseek (DESC, 0L, 0); \ */ +/* OBSOLETE if (myread (DESC, &filehdr, sizeof filehdr) < 0) \ */ +/* OBSOLETE perror_with_name (NAME); \ */ +/* OBSOLETE if (myread (DESC, &opthdr, filehdr.h_opthdr) <= 0) \ */ +/* OBSOLETE perror_with_name (NAME); \ */ +/* OBSOLETE for (n = 0; n < filehdr.h_nscns; n++) \ */ +/* OBSOLETE { \ */ +/* OBSOLETE if (myread (DESC, &txthdr, sizeof txthdr) < 0) \ */ +/* OBSOLETE perror_with_name (NAME); \ */ +/* OBSOLETE if ((txthdr.s_flags & S_TYPMASK) == S_TEXT) \ */ +/* OBSOLETE break; \ */ +/* OBSOLETE } \ */ +/* OBSOLETE } */ |