diff options
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/.Sanitize | 5 | ||||
| -rw-r--r-- | gdb/ChangeLog | 26 | ||||
| -rw-r--r-- | gdb/config/decstation.mh | 4 | ||||
| -rw-r--r-- | gdb/config/irix3.mh | 4 | ||||
| -rw-r--r-- | gdb/config/irix4.mh | 6 | ||||
| -rw-r--r-- | gdb/irix4-nat.c | 126 | ||||
| -rw-r--r-- | gdb/mips-nat.c | 165 | ||||
| -rw-r--r-- | gdb/mips-tdep.c | 171 | ||||
| -rw-r--r-- | gdb/nm-irix3.h | 24 | ||||
| -rw-r--r-- | gdb/nm-irix4.h | 31 | ||||
| -rw-r--r-- | gdb/nm-mips.h | 23 | ||||
| -rw-r--r-- | gdb/procfs.c | 2 | ||||
| -rw-r--r-- | gdb/xm-irix3.h | 4 | ||||
| -rw-r--r-- | gdb/xm-irix4.h | 16 | ||||
| -rw-r--r-- | gdb/xm-mips.h | 3 |
15 files changed, 461 insertions, 149 deletions
diff --git a/gdb/.Sanitize b/gdb/.Sanitize index ce88acb..a3c9e42 100644 --- a/gdb/.Sanitize +++ b/gdb/.Sanitize @@ -116,6 +116,7 @@ inflow.c infptrace.c infrun.c inftarg.c +irix4-nat.c kdb-start.c language.c language.h @@ -132,14 +133,16 @@ maint.c mem-break.c minimon.h minsyms.c +mips-nat.c mips-pinsn.c mips-tdep.c -mips-xdep.c mipsread.c munch news-xdep.c nindy-share nindy-tdep.c +nm-irix4.h +nm-mips.h nm-rs6000.h nm-sun3.h nm-sun4os4.h diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 06469cf..f476bbb 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,29 @@ +Fri Oct 9 00:31:33 1992 K. Richard Pixley (rich@sendai.cygnus.com) + + Mips native support. Decstation and iris4 have been tested. + Iris3 has not. + + * mips-tdep.c (supply_gregset, fill_gregset, supply_fpregset, + fill_fpregset): removed to irix4-nat.c + * mips-xdep.c: removed. + * irix4-nat.c, mips-nat.c, nm-irix3.h, nm-irix4.h, nm-mips.h: new + files. + * procfs.c: include nm.h. + * xm-irix3.h (U_REGS_OFFSET, FETCH_INFERIOR_REGISTERS): removed. + * xm-irix4.h: bump copyright. + (U_REGS_OFFSET, FETCH_INFERIOR_REGISTERS, USE_PROC_FS, + PROC_NAME_FMT): removed. + * xm-mips.h (FETCH_INFERIOR_REGISTERS): removed. + * config/irix4.mh (XDEPFILES): removed procfs.o fork-child.o. + (NAT_FILE, NATDEPFILES): new macros for native support. + (CC): supply default compiler switches. + * config/irix3.mh (XDEPFILES): removed infptrace.o inftarg.o fork-child.o coredep.o. + (NAT_FILE, NATDEPFILES): new macros for native support. Note that + irix3 is untested. + * config/decstation.mh (XDEPFILES): removed infptrace.o inftarg.o + fork-child.o mips-xdep.o coredep.o. + (NAT_FILE, NATDEPFILES): new macros for native support. + Thu Oct 8 23:50:51 1992 K. Richard Pixley (rich@sendai.cygnus.com) * config/rs6000.mh (XDEPFILES): removed fork-child.o. diff --git a/gdb/config/decstation.mh b/gdb/config/decstation.mh index 4a71ca2..28da9e3 100644 --- a/gdb/config/decstation.mh +++ b/gdb/config/decstation.mh @@ -1,6 +1,8 @@ # Host: Little-endian MIPS machine such as DECstation. -XDEPFILES= infptrace.o inftarg.o fork-child.o mips-xdep.o coredep.o +XDEPFILES= XM_FILE= xm-mips.h +NAT_FILE= nm-mips.h +NATDEPFILES= infptrace.o inftarg.o coredep.o mips-nat.o fork-child.o # We can't use MMALLOC because the DECstation RPC library can't cope # with a malloc(0) that returns 0. Besides, it's useless on a machine diff --git a/gdb/config/irix3.mh b/gdb/config/irix3.mh index d585d92..854272d 100644 --- a/gdb/config/irix3.mh +++ b/gdb/config/irix3.mh @@ -1,6 +1,8 @@ # Host: SGI Iris running irix 3.x -XDEPFILES= infptrace.o inftarg.o fork-child.o coredep.o +XDEPFILES= XM_FILE= xm-irix3.h +NAT_FILE= nm-irix3.h +NATDEPFILES= fork-child.o coredep.o infptrace.o inftarg.o nat-mips.o ALLOCA=alloca.o ALLOCA1=alloca.o MUNCH_DEFINE=-B diff --git a/gdb/config/irix4.mh b/gdb/config/irix4.mh index fcea27e..854fa69 100644 --- a/gdb/config/irix4.mh +++ b/gdb/config/irix4.mh @@ -1,8 +1,12 @@ # Host: SGI Iris running irix 4.x -XDEPFILES= procfs.o fork-child.o +XDEPFILES= XM_FILE= xm-irix4.h +NAT_FILE= nm-irix4.h +NATDEPFILES= fork-child.o procfs.o irix4-nat.o ALLOCA=alloca.o ALLOCA1=alloca.o MUNCH_DEFINE=-B XM_CLIBS=-lbsd -lsun INSTALL = cp +# use cc in K&R mode, bump up some static compiler tables. +CC = cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh1100 diff --git a/gdb/irix4-nat.c b/gdb/irix4-nat.c new file mode 100644 index 0000000..5127bc2 --- /dev/null +++ b/gdb/irix4-nat.c @@ -0,0 +1,126 @@ +/* Target-dependent code for the MIPS architecture, for GDB, the GNU Debugger. + Copyright 1988, 1989, 1990, 1991, 1992 Free Software Foundation, Inc. + Contributed by Alessandro Forin(af@cs.cmu.edu) at CMU + and by Per Bothner(bothner@cs.wisc.edu) at U.Wisconsin. + +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. */ + +#include "defs.h" + +/* + * Implemented for Irix 4.x by Garrett A. Wollman + */ + +#include <sys/time.h> +#include <sys/procfs.h> + +typedef unsigned int greg_t; /* why isn't this defined? */ + +/* + * See the comment in m68k-tdep.c regarding the utility of these functions. + */ + +void +supply_gregset (gregsetp) + gregset_t *gregsetp; +{ + register int regi; + register greg_t *regp = (greg_t *)(gregsetp->gp_regs); + + /* FIXME: somewhere, there should be a #define for the meaning + of this magic number 32; we should use that. */ + for(regi = 0; regi < 32; regi++) + supply_register (regi, (char *)(regp + regi)); + + supply_register (PC_REGNUM, (char *)&(gregsetp->gp_pc)); + supply_register (HI_REGNUM, (char *)&(gregsetp->gp_mdhi)); + supply_register (LO_REGNUM, (char *)&(gregsetp->gp_mdlo)); + supply_register (PS_REGNUM, (char *)&(gregsetp->gp_cause)); +} + +void +fill_gregset (gregsetp, regno) + gregset_t *gregsetp; + int regno; +{ + int regi; + register greg_t *regp = (greg_t *)(gregsetp->gp_regs); + extern char registers[]; + + /* same FIXME as above wrt 32*/ + for (regi = 0; regi < 32; regi++) + if ((regno == -1) || (regno == regi)) + *(regp + regi) = *(greg_t *) ®isters[REGISTER_BYTE (regi)]; + + if ((regno == -1) || (regno == PC_REGNUM)) + gregsetp->gp_pc = *(greg_t *) ®isters[REGISTER_BYTE (PC_REGNUM)]; + + if ((regno == -1) || (regno == PS_REGNUM)) + gregsetp->gp_cause = *(greg_t *) ®isters[REGISTER_BYTE (PS_REGNUM)]; + + if ((regno == -1) || (regno == HI_REGNUM)) + gregsetp->gp_mdhi = *(greg_t *) ®isters[REGISTER_BYTE (HI_REGNUM)]; + + if ((regno == -1) || (regno == LO_REGNUM)) + gregsetp->gp_mdlo = *(greg_t *) ®isters[REGISTER_BYTE (LO_REGNUM)]; +} + +/* + * Now we do the same thing for floating-point registers. + * We don't bother to condition on FP0_REGNUM since any + * reasonable MIPS configuration has an R3010 in it. + * + * Again, see the comments in m68k-tdep.c. + */ + +void +supply_fpregset (fpregsetp) + fpregset_t *fpregsetp; +{ + register int regi; + + for (regi = 0; regi < 32; regi++) + supply_register (FP0_REGNUM + regi, + (char *)&fpregsetp->fp_r.fp_regs[regi]); + + supply_register (FCRCS_REGNUM, (char *)&fpregsetp->fp_csr); + + /* FIXME: how can we supply FCRIR_REGNUM? SGI doesn't tell us. */ +} + +void +fill_fpregset (fpregsetp, regno) + fpregset_t *fpregsetp; + int regno; +{ + int regi; + char *from, *to; + extern char registers[]; + + for (regi = FP0_REGNUM; regi < FP0_REGNUM + 32; regi++) + { + if ((regno == -1) || (regno == regi)) + { + from = (char *) ®isters[REGISTER_BYTE (regi)]; + to = (char *) &(fpregsetp->fp_r.fp_regs[regi]); + bcopy(from, to, REGISTER_RAW_SIZE (regi)); + } + } + + if ((regno == -1) || (regno == FCRCS_REGNUM)) + fpregsetp->fp_csr = *(unsigned *) ®isters[REGISTER_BYTE(FCRCS_REGNUM)]; +} diff --git a/gdb/mips-nat.c b/gdb/mips-nat.c new file mode 100644 index 0000000..458f91f --- /dev/null +++ b/gdb/mips-nat.c @@ -0,0 +1,165 @@ +/* Low level MIPS interface to ptrace, for GDB when running under Unix. + Copyright 1988, 1989, 1991, 1992 Free Software Foundation, Inc. + Contributed by Alessandro Forin(af@cs.cmu.edu) at CMU + and by Per Bothner(bothner@cs.wisc.edu) at U.Wisconsin. + +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. */ + +#include "defs.h" +#include "inferior.h" +#include "gdbcore.h" + +/* For now we stub this out; sgi core format is super-hairy (and completely + different in the new release). + For most mips systems, this function is defined in coredep.c. */ + +#if defined(sgi) +void +fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr) + char *core_reg_sect; + unsigned core_reg_size; + int which; + unsigned int reg_addr; +{ + return; +} +#endif + +/* Access to the inferior is only good for native systems, not cross. + I am not sure why this is stubbed out on SGI... --gnu@cygnus.com */ + +#if defined(sgi) || !defined(GDB_TARGET_IS_MIPS) + +/* ARGSUSED */ +void +fetch_inferior_registers (regno) + int regno; +{ + return; +} + +/* ARGSUSED */ +void +store_inferior_registers (regno) + int regno; +{ + return; +} + + +#else + +/* DECstation native... */ + +#include <sys/ptrace.h> + +/* Map gdb internal register number to ptrace ``address''. + These ``addresses'' are defined in DECstation <sys/ptrace.h> */ + +#define REGISTER_PTRACE_ADDR(regno) \ + (regno < 32 ? GPR_BASE + regno \ + : regno == PC_REGNUM ? PC \ + : regno == CAUSE_REGNUM ? CAUSE \ + : regno == HI_REGNUM ? MMHI \ + : regno == LO_REGNUM ? MMLO \ + : regno == FCRCS_REGNUM ? FPC_CSR \ + : regno == FCRIR_REGNUM ? FPC_EIR \ + : regno >= FP0_REGNUM ? FPR_BASE + (regno - FP0_REGNUM) \ + : 0) + +static const char zerobuf[MAX_REGISTER_RAW_SIZE]; + +/* Get all registers from the inferior */ + +void +fetch_inferior_registers (regno) + int regno; +{ + register unsigned int regaddr; + char buf[MAX_REGISTER_RAW_SIZE]; + register int i; + + registers_fetched (); + + for (regno = 1; regno < NUM_REGS; regno++) + { + regaddr = REGISTER_PTRACE_ADDR (regno); + for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int)) + { + *(int *) &buf[i] = ptrace (PT_READ_U, inferior_pid, + (PTRACE_ARG3_TYPE) regaddr, 0); + regaddr += sizeof (int); + } + supply_register (regno, buf); + } + + supply_register (ZERO_REGNUM, zerobuf); + /* Frame ptr reg must appear to be 0; it is faked by stack handling code. */ + supply_register (FP_REGNUM, zerobuf); +} + +/* Store our register values back into the inferior. + If REGNO is -1, do this for all registers. + Otherwise, REGNO specifies which register (so we can save time). */ + +void +store_inferior_registers (regno) + int regno; +{ + register unsigned int regaddr; + char buf[80]; + + if (regno == 0) + return; + + if (regno > 0) + { + regaddr = REGISTER_PTRACE_ADDR (regno); + errno = 0; + ptrace (PT_WRITE_U, inferior_pid, (PTRACE_ARG3_TYPE) regaddr, + read_register (regno)); + if (errno != 0) + { + sprintf (buf, "writing register number %d", regno); + perror_with_name (buf); + } + } + else + { + for (regno = 0; regno < NUM_REGS; regno++) + { + if (regno == ZERO_REGNUM || regno == PS_REGNUM + || regno == BADVADDR_REGNUM || regno == CAUSE_REGNUM + || regno == FCRIR_REGNUM || regno == FP_REGNUM + || (regno >= FIRST_EMBED_REGNUM && regno <= LAST_EMBED_REGNUM)) + continue; + regaddr = register_addr (regno, 1); + errno = 0; + ptrace (6, inferior_pid, (PTRACE_ARG3_TYPE) regaddr, + read_register (regno)); + if (errno != 0) + { + sprintf (buf, "writing all regs, number %d", regno); + perror_with_name (buf); + } + } + } +} + +#endif /* sgi */ + + diff --git a/gdb/mips-tdep.c b/gdb/mips-tdep.c index c7e6547..c4bf929 100644 --- a/gdb/mips-tdep.c +++ b/gdb/mips-tdep.c @@ -165,6 +165,8 @@ heuristic_proc_desc(start_pc, limit_pc, next_frame) if (start_pc == 0) return NULL; bzero(&temp_proc_desc, sizeof(temp_proc_desc)); bzero(&temp_saved_regs, sizeof(struct frame_saved_regs)); + PROC_LOW_ADDR(&temp_proc_desc) = start_pc; + if (start_pc + 200 < limit_pc) limit_pc = start_pc + 200; restart: frame_size = 0; @@ -172,7 +174,7 @@ heuristic_proc_desc(start_pc, limit_pc, next_frame) unsigned long word; int status; - status = read_memory_nobpt (cur_pc, &word, 4); + status = read_memory_nobpt (cur_pc, (char *)&word, 4); if (status) memory_error (status, cur_pc); SWAP_TARGET_AND_HOST (&word, sizeof (word)); if ((word & 0xFFFF0000) == 0x27bd0000) /* addiu $sp,$sp,-i */ @@ -320,13 +322,16 @@ init_extra_frame_info(fci) /* r0 bit means kernel trap */ int kernel_trap = PROC_REG_MASK(proc_desc) & 1; - /* Fixup frame-pointer - only needed for top frame */ - /* This may not be quite right, if procedure has a real frame register */ - if (fci->pc == PROC_LOW_ADDR(proc_desc)) - fci->frame = read_register (SP_REGNUM); - else + if (fci->frame == 0) + { + /* Fixup frame-pointer - only needed for top frame */ + /* This may not be quite right, if proc has a real frame register */ + if (fci->pc == PROC_LOW_ADDR(proc_desc)) + fci->frame = read_register (SP_REGNUM); + else fci->frame = READ_FRAME_REG(fci, PROC_FRAME_REG(proc_desc)) - + PROC_FRAME_OFFSET(proc_desc); + + PROC_FRAME_OFFSET(proc_desc); + } if (proc_desc == &temp_proc_desc) *fci->saved_regs = temp_saved_regs; @@ -366,6 +371,29 @@ init_extra_frame_info(fci) } } +/* MIPS stack frames are almost impenetrable. When execution stops, + we basically have to look at symbol information for the function + that we stopped in, which tells us *which* register (if any) is + the base of the frame pointer, and what offset from that register + the frame itself is at. + + This presents a problem when trying to examine a stack in memory + (that isn't executing at the moment), using the "frame" command. We + don't have a PC, nor do we have any registers except SP. + + This routine takes two arguments, SP and PC, and tries to make the + cached frames look as if these two arguments defined a frame on the + cache. This allows the rest of info frame to extract the important + arguments without difficulty. */ + +FRAME +setup_arbitrary_frame (stack, pc) + FRAME_ADDR stack; + CORE_ADDR pc; +{ + return create_new_frame (stack, pc); +} + CORE_ADDR mips_push_arguments(nargs, args, sp, struct_return, struct_addr) @@ -405,8 +433,8 @@ mips_push_arguments(nargs, args, sp, struct_return, struct_addr) write_memory(sp + m_arg->offset, m_arg->contents, m_arg->len); if (struct_return) { buf = struct_addr; - write_memory(sp, &buf, sizeof(CORE_ADDR)); -} + write_memory(sp, (char *)&buf, sizeof(CORE_ADDR)); + } return sp; } @@ -464,7 +492,7 @@ mips_push_dummy_frame() if (PROC_REG_MASK(proc_desc) & (1 << ireg)) { buffer = read_register (ireg); - write_memory (save_address, &buffer, sizeof(REGISTER_TYPE)); + write_memory (save_address, (char *)&buffer, sizeof(REGISTER_TYPE)); save_address -= 4; } /* save floating-points registers */ @@ -473,20 +501,20 @@ mips_push_dummy_frame() if (PROC_FREG_MASK(proc_desc) & (1 << ireg)) { buffer = read_register (ireg + FP0_REGNUM); - write_memory (save_address, &buffer, 4); + write_memory (save_address, (char *)&buffer, 4); save_address -= 4; } write_register (PUSH_FP_REGNUM, sp); PROC_FRAME_REG(proc_desc) = PUSH_FP_REGNUM; PROC_FRAME_OFFSET(proc_desc) = 0; buffer = read_register (PC_REGNUM); - write_memory (sp - 4, &buffer, sizeof(REGISTER_TYPE)); + write_memory (sp - 4, (char *)&buffer, sizeof(REGISTER_TYPE)); buffer = read_register (HI_REGNUM); - write_memory (sp - 8, &buffer, sizeof(REGISTER_TYPE)); + write_memory (sp - 8, (char *)&buffer, sizeof(REGISTER_TYPE)); buffer = read_register (LO_REGNUM); - write_memory (sp - 12, &buffer, sizeof(REGISTER_TYPE)); + write_memory (sp - 12, (char *)&buffer, sizeof(REGISTER_TYPE)); buffer = read_register (FCRCS_REGNUM); - write_memory (sp - 16, &buffer, sizeof(REGISTER_TYPE)); + write_memory (sp - 16, (char *)&buffer, sizeof(REGISTER_TYPE)); sp -= 4 * (GEN_REG_SAVE_COUNT+FLOAT_REG_SAVE_COUNT+SPECIAL_REG_SAVE_COUNT); write_register (SP_REGNUM, sp); PROC_LOW_ADDR(proc_desc) = sp - CALL_DUMMY_SIZE + CALL_DUMMY_START_OFFSET; @@ -500,7 +528,7 @@ mips_pop_frame() { register int regnum; FRAME frame = get_current_frame (); CORE_ADDR new_sp = frame->frame; - mips_extra_func_info_t proc_desc = (mips_extra_func_info_t)frame->proc_desc; + mips_extra_func_info_t proc_desc = frame->proc_desc; if (PROC_DESC_IS_DUMMY(proc_desc)) { struct linked_proc_info **ptr = &linked_proc_desc_table;; @@ -529,10 +557,10 @@ mips_pop_frame() } static void -mips_print_register(regnum, all) +mips_print_register (regnum, all) int regnum, all; { - unsigned char raw_buffer[MAX_REGISTER_RAW_SIZE]; + unsigned char raw_buffer[MAX_REGISTER_RAW_SIZE * 2]; /* *2 for doubles */ REGISTER_TYPE val; /* Get the data in raw format. */ @@ -649,113 +677,6 @@ isa_NAN(p, len) else return 1; } -/* - * Implemented for Irix 4.x by Garrett A. Wollman - */ -#ifdef USE_PROC_FS /* Target-dependent /proc support */ - -#include <sys/time.h> -#include <sys/procfs.h> - -typedef unsigned int greg_t; /* why isn't this defined? */ - -/* - * See the comment in m68k-tdep.c regarding the utility of these functions. - */ - -void -supply_gregset (gregsetp) - gregset_t *gregsetp; -{ - register int regno; - register greg_t *regp = (greg_t *)(gregsetp->gp_regs); - - /* FIXME: somewhere, there should be a #define for the meaning - of this magic number 32; we should use that. */ - for(regno = 0; regno < 32; regno++) - supply_register (regno, (char *)(regp + regno)); - - supply_register (PC_REGNUM, (char *)&(gregsetp->gp_pc)); - supply_register (HI_REGNUM, (char *)&(gregsetp->gp_mdhi)); - supply_register (LO_REGNUM, (char *)&(gregsetp->gp_mdlo)); - supply_register (PS_REGNUM, (char *)&(gregsetp->gp_cause)); -} - -void -fill_gregset (gregsetp, regno) - gregset_t *gregsetp; - int regno; -{ - int regi; - register greg_t *regp = (greg_t *)(gregsetp->gp_regs); - extern char registers[]; - - /* same FIXME as above wrt 32*/ - for (regi = 0; regi < 32; regi++) - if ((regno == -1) || (regno == regi)) - *(regp + regno) = *(greg_t *) ®isters[REGISTER_BYTE (regi)]; - - if ((regno == -1) || (regno == PC_REGNUM)) - gregsetp->gp_pc = *(greg_t *) ®isters[REGISTER_BYTE (PC_REGNUM)]; - - if ((regno == -1) || (regno == PS_REGNUM)) - gregsetp->gp_cause = *(greg_t *) ®isters[REGISTER_BYTE (PS_REGNUM)]; - - if ((regno == -1) || (regno == HI_REGNUM)) - gregsetp->gp_mdhi = *(greg_t *) ®isters[REGISTER_BYTE (HI_REGNUM)]; - - if ((regno == -1) || (regno == LO_REGNUM)) - gregsetp->gp_mdlo = *(greg_t *) ®isters[REGISTER_BYTE (LO_REGNUM)]; -} - -/* - * Now we do the same thing for floating-point registers. - * We don't bother to condition on FP0_REGNUM since any - * reasonable MIPS configuration has an R3010 in it. - * - * Again, see the comments in m68k-tdep.c. - */ - -void -supply_fpregset (fpregsetp) - fpregset_t *fpregsetp; -{ - register int regno; - - for (regno = 0; regno < 32; regno++) - supply_register (FP0_REGNUM + regno, - (char *)&fpregsetp->fp_r.fp_regs[regno]); - - supply_register (FCRCS_REGNUM, (char *)&fpregsetp->fp_csr); - - /* FIXME: how can we supply FCRIR_REGNUM? SGI doesn't tell us. */ -} - -void -fill_fpregset (fpregsetp, regno) - fpregset_t *fpregsetp; - int regno; -{ - int regi; - char *from, *to; - extern char registers[]; - - for (regi = FP0_REGNUM; regi < FP0_REGNUM + 32; regi++) - { - if ((regno == -1) || (regno == regi)) - { - from = (char *) ®isters[REGISTER_BYTE (regi)]; - to = (char *) &(fpregsetp->fp_r.fp_regs[regi]); - bcopy(from, to, REGISTER_RAW_SIZE (regno)); - } - } - - if ((regno == -1) || (regno == FCRCS_REGNUM)) - fpregsetp->fp_csr = *(unsigned *) ®isters[REGISTER_BYTE(FCRCS_REGNUM)]; -} - -#endif /* USE_PROC_FS */ - /* To skip prologues, I use this predicate. Returns either PC itself if the code at PC does not look like a function prologue, PC+4 if it does (our caller does not need anything more fancy). */ diff --git a/gdb/nm-irix3.h b/gdb/nm-irix3.h new file mode 100644 index 0000000..fcf98a2 --- /dev/null +++ b/gdb/nm-irix3.h @@ -0,0 +1,24 @@ +/* Definitions for irix3 native support. + +Copyright (C) 1991, 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. */ + +/* Don't need special routines for the SGI -- we can use infptrace.c */ +#undef FETCH_INFERIOR_REGISTERS + +#define U_REGS_OFFSET 0 diff --git a/gdb/nm-irix4.h b/gdb/nm-irix4.h new file mode 100644 index 0000000..340dade --- /dev/null +++ b/gdb/nm-irix4.h @@ -0,0 +1,31 @@ +/* Definitions for native support of irix4. + +Copyright (C) 1991, 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. */ + +/* + * Let's use /debug instead of all this dangerous mucking about + * with ptrace(), which seems *extremely* fragile, anyway. + */ +#define USE_PROC_FS +#define PROC_NAME_FMT "/debug/%d" + +/* Don't need special routines for the SGI -- we can use infptrace.c */ +#undef FETCH_INFERIOR_REGISTERS + +#define U_REGS_OFFSET 0 diff --git a/gdb/nm-mips.h b/gdb/nm-mips.h new file mode 100644 index 0000000..4a264fe --- /dev/null +++ b/gdb/nm-mips.h @@ -0,0 +1,23 @@ +/* Definitions for GDB on mips. + Copyright (C) 1986, 1987, 1989, 1992 Free Software Foundation, Inc. + Contributed by Per Bothner(bothner@cs.wisc.edu) at U.Wisconsin + and by Alessandro Forin(af@cs.cmu.edu) at CMU + +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. */ + +/* Override copies of {fetch,store}_inferior_registers in infptrace.c. */ +#define FETCH_INFERIOR_REGISTERS diff --git a/gdb/procfs.c b/gdb/procfs.c index 1a694e0..dfab0ba 100644 --- a/gdb/procfs.c +++ b/gdb/procfs.c @@ -45,6 +45,8 @@ regardless of whether or not the actual target has floating point hardware. #include "command.h" #include "gdbcore.h" +#include "nm.h" + #define MAX_SYSCALLS 256 /* Maximum number of syscalls for table */ #ifndef PROC_NAME_FMT diff --git a/gdb/xm-irix3.h b/gdb/xm-irix3.h index e155a41..f12855e 100644 --- a/gdb/xm-irix3.h +++ b/gdb/xm-irix3.h @@ -20,8 +20,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #define HAVE_TERMIO -#define U_REGS_OFFSET 0 - #include "xm-bigmips.h" /* Override register locations in upage for SGI machines */ @@ -32,5 +30,3 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ else \ addr = regno + NSIG_HNDLRS; /* Skip over signal handlers */ -/* Don't need special routines for the SGI -- we can use infptrace.c */ -#undef FETCH_INFERIOR_REGISTERS diff --git a/gdb/xm-irix4.h b/gdb/xm-irix4.h index 21ee98f..7a21cf5 100644 --- a/gdb/xm-irix4.h +++ b/gdb/xm-irix4.h @@ -1,4 +1,6 @@ -/* Copyright (C) 1991 Free Software Foundation, Inc. +/* Definitions for irix4 hosting support. + +Copyright (C) 1991, 1992 Free Software Foundation, Inc. This file is part of GDB. @@ -20,8 +22,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #define HAVE_TERMIO -#define U_REGS_OFFSET 0 - #include "xm-bigmips.h" /* Override register locations in upage for SGI machines */ @@ -32,17 +32,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ else \ addr = regno + NSIG_HNDLRS; /* Skip over signal handlers */ -/* Don't need special routines for the SGI -- we can use infptrace.c */ -#undef FETCH_INFERIOR_REGISTERS - /* BEGIN GW MODS */ -/* - * Let's use /debug instead of all this dangerous mucking about - * with ptrace(), which seems *extremely* fragile, anyway. - */ -#define USE_PROC_FS -#define PROC_NAME_FMT "/debug/%d" - /* Irix defines psignal() in signal.h, which gets gcc rather angry at us * because their definition is markedly different. */ diff --git a/gdb/xm-mips.h b/gdb/xm-mips.h index 6a8a5bb..030d472 100644 --- a/gdb/xm-mips.h +++ b/gdb/xm-mips.h @@ -61,8 +61,5 @@ extern void *memset(); sizeof (int) * (regno - FP0_REGNUM); \ } -/* Override copies of {fetch,store}_inferior_registers in infptrace.c. */ -#define FETCH_INFERIOR_REGISTERS - /* Kernel is a bit tenacious about sharing text segments, disallowing bpts. */ #define ONE_PROCESS_WRITETEXT |