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Diffstat (limited to 'gdb/symm-xdep.c')
| -rw-r--r-- | gdb/symm-xdep.c | 444 |
1 files changed, 0 insertions, 444 deletions
diff --git a/gdb/symm-xdep.c b/gdb/symm-xdep.c deleted file mode 100644 index bb19a1a..0000000 --- a/gdb/symm-xdep.c +++ /dev/null @@ -1,444 +0,0 @@ -/* Sequent Symmetry host interface, for GDB when running under Unix. - Copyright 1986, 1987, 1989, 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. */ - -/* FIXME, some 387-specific items of use taken from i387-tdep.c -- ought to be - merged back in. */ - -#include "defs.h" -#include "frame.h" -#include "inferior.h" -#include "symtab.h" - -#include <signal.h> -#include <sys/param.h> -#include <sys/user.h> -#include <sys/dir.h> -#include <sys/ioctl.h> -#include <sys/stat.h> -#include "gdbcore.h" -#include <fcntl.h> -#include <sgtty.h> -#define TERMINAL struct sgttyb - -#include "gdbcore.h" - -void -store_inferior_registers(regno) -int regno; -{ - struct pt_regset regs; - int reg_tmp, i; - extern char registers[]; - -#if 0 - /* PREPARE_TO_STORE deals with this. */ - if (-1 == regno) - { -#endif - regs.pr_eax = *(int *)®isters[REGISTER_BYTE(0)]; - regs.pr_ebx = *(int *)®isters[REGISTER_BYTE(5)]; - regs.pr_ecx = *(int *)®isters[REGISTER_BYTE(2)]; - regs.pr_edx = *(int *)®isters[REGISTER_BYTE(1)]; - regs.pr_esi = *(int *)®isters[REGISTER_BYTE(6)]; - regs.pr_edi = *(int *)®isters[REGISTER_BYTE(7)]; - regs.pr_esp = *(int *)®isters[REGISTER_BYTE(14)]; - regs.pr_ebp = *(int *)®isters[REGISTER_BYTE(15)]; - regs.pr_eip = *(int *)®isters[REGISTER_BYTE(16)]; - regs.pr_flags = *(int *)®isters[REGISTER_BYTE(17)]; - for (i = 0; i < 31; i++) { - regs.pr_fpa.fpa_regs[i] = - *(int *)®isters[REGISTER_BYTE(FP1_REGNUM+i)]; - } -#if 0 - } - else - { - reg_tmp = *(int *)®isters[REGISTER_BYTE(regno)]; - ptrace(XPT_RREGS, inferior_pid, (PTRACE_ARG3_TYPE) ®s, 0); - switch (regno) - { - case 0: - regs.pr_eax = *(int *)®isters[REGISTER_BYTE(0)]; - break; - case 5: - regs.pr_ebx = *(int *)®isters[REGISTER_BYTE(5)]; - break; - case 2: - regs.pr_ecx = *(int *)®isters[REGISTER_BYTE(2)]; - break; - case 1: - regs.pr_edx = *(int *)®isters[REGISTER_BYTE(1)]; - break; - case 6: - regs.pr_esi = *(int *)®isters[REGISTER_BYTE(6)]; - break; - case 7: - regs.pr_edi = *(int *)®isters[REGISTER_BYTE(7)]; - break; - case 15: - regs.pr_ebp = *(int *)®isters[REGISTER_BYTE(15)]; - break; - case 14: - regs.pr_esp = *(int *)®isters[REGISTER_BYTE(14)]; - break; - case 16: - regs.pr_eip = *(int *)®isters[REGISTER_BYTE(16)]; - break; - case 17: - regs.pr_flags = *(int *)®isters[REGISTER_BYTE(17)]; - break; - } - } -#endif /* 0 */ - ptrace(XPT_WREGS, inferior_pid, (PTRACE_ARG3_TYPE) ®s, 0); -} - -void -fetch_inferior_registers (regno) - int regno; -{ - int i; - struct pt_regset regs; - extern char registers[]; - - registers_fetched (); - - ptrace(XPT_RREGS, inferior_pid, (PTRACE_ARG3_TYPE) ®s, 0); - *(int *)®isters[REGISTER_BYTE(0)] = regs.pr_eax; - *(int *)®isters[REGISTER_BYTE(5)] = regs.pr_ebx; - *(int *)®isters[REGISTER_BYTE(2)] = regs.pr_ecx; - *(int *)®isters[REGISTER_BYTE(1)] = regs.pr_edx; - *(int *)®isters[REGISTER_BYTE(6)] = regs.pr_esi; - *(int *)®isters[REGISTER_BYTE(7)] = regs.pr_edi; - *(int *)®isters[REGISTER_BYTE(15)] = regs.pr_ebp; - *(int *)®isters[REGISTER_BYTE(14)] = regs.pr_esp; - *(int *)®isters[REGISTER_BYTE(16)] = regs.pr_eip; - *(int *)®isters[REGISTER_BYTE(17)] = regs.pr_flags; - for (i = 0; i < FPA_NREGS; i++) { - *(int *)®isters[REGISTER_BYTE(FP1_REGNUM+i)] = regs.pr_fpa.fpa_regs[i]; - } - bcopy(regs.pr_fpu.fpu_stack[0], ®isters[REGISTER_BYTE(3)], 10); - bcopy(regs.pr_fpu.fpu_stack[1], ®isters[REGISTER_BYTE(4)], 10); - bcopy(regs.pr_fpu.fpu_stack[2], ®isters[REGISTER_BYTE(8)], 10); - bcopy(regs.pr_fpu.fpu_stack[3], ®isters[REGISTER_BYTE(9)], 10); - bcopy(regs.pr_fpu.fpu_stack[4], ®isters[REGISTER_BYTE(10)], 10); - bcopy(regs.pr_fpu.fpu_stack[5], ®isters[REGISTER_BYTE(11)], 10); - bcopy(regs.pr_fpu.fpu_stack[6], ®isters[REGISTER_BYTE(12)], 10); - bcopy(regs.pr_fpu.fpu_stack[7], ®isters[REGISTER_BYTE(13)], 10); -} - - -/* Work with core dump and executable files, for GDB. - This code would be in core.c if it weren't machine-dependent. */ - -void -core_file_command (filename, from_tty) - char *filename; - int from_tty; -{ - int val; - extern char registers[]; - - /* Discard all vestiges of any previous core file - and mark data and stack spaces as empty. */ - - if (corefile) - free (corefile); - corefile = 0; - - if (corechan >= 0) - close (corechan); - corechan = -1; - - data_start = 0; - data_end = 0; - stack_start = STACK_END_ADDR; - stack_end = STACK_END_ADDR; - - /* Now, if a new core file was specified, open it and digest it. */ - - if (filename) - { - filename = tilde_expand (filename); - make_cleanup (free, filename); - - if (have_inferior_p ()) - error ("To look at a core file, you must kill the program with \"kill\"."); - corechan = open (filename, O_RDONLY, 0); - if (corechan < 0) - perror_with_name (filename); - /* 4.2-style (and perhaps also sysV-style) core dump file. */ - { - struct user u; - int reg_offset; - - val = myread (corechan, &u, sizeof u); - if (val < 0) - perror_with_name (filename); - data_start = exec_data_start; - - data_end = data_start + NBPG * (u.u_dsize - u.u_tsize); - stack_start = stack_end - NBPG * u.u_ssize; - data_offset = NBPG * UPAGES; - stack_offset = ctob(UPAGES + u.u_dsize - u.u_tsize); - reg_offset = (int) u.u_ar0 - KERNEL_U_ADDR; -printf("u.u_tsize= %#x, u.u_dsize= %#x, u.u_ssize= %#x, stack_off= %#x\n", - u.u_tsize, u.u_dsize, u.u_ssize, stack_offset); - - core_aouthdr.a_magic = 0; - - /* Read the register values out of the core file and store - them where `read_register' will find them. */ - - { - register int regno; - - for (regno = 0; regno < NUM_REGS; regno++) - { - char buf[MAX_REGISTER_RAW_SIZE]; - - val = lseek (corechan, register_addr (regno, reg_offset), 0); - if (val < 0) - perror_with_name (filename); - - val = myread (corechan, buf, sizeof buf); - if (val < 0) - perror_with_name (filename); - supply_register (regno, buf); - } - } - } - if (filename[0] == '/') - corefile = savestring (filename, strlen (filename)); - else - { - corefile = concat (current_directory, "/", filename, NULL); - } - - set_current_frame(create_new_frame(read_register(FP_REGNUM), - read_pc())); -/* set_current_frame (read_register (FP_REGNUM));*/ - select_frame (get_current_frame (), 0); - validate_files (); - } - else if (from_tty) - printf ("No core file now.\n"); -} - -/* FIXME: This should be merged with i387-tdep.c as well. */ -static -print_fpu_status(ep) -struct pt_regset ep; -{ - int i; - int bothstatus; - int top; - int fpreg; - unsigned char *p; - - printf("80387:"); - if (ep.pr_fpu.fpu_ip == 0) { - printf(" not in use.\n"); - return; - } else { - printf("\n"); - } - if (ep.pr_fpu.fpu_status != 0) { - print_387_status_word (ep.pr_fpu.fpu_status); - } - print_387_control_word (ep.pr_fpu.fpu_control); - printf ("last exception: "); - printf ("opcode 0x%x; ", ep.pr_fpu.fpu_rsvd4); - printf ("pc 0x%x:0x%x; ", ep.pr_fpu.fpu_cs, ep.pr_fpu.fpu_ip); - printf ("operand 0x%x:0x%x\n", ep.pr_fpu.fpu_data_offset, ep.pr_fpu.fpu_op_sel); - - top = (ep.pr_fpu.fpu_status >> 11) & 7; - - printf ("regno tag msb lsb value\n"); - for (fpreg = 7; fpreg >= 0; fpreg--) - { - double val; - - printf ("%s %d: ", fpreg == top ? "=>" : " ", fpreg); - - switch ((ep.pr_fpu.fpu_tag >> (fpreg * 2)) & 3) - { - case 0: printf ("valid "); break; - case 1: printf ("zero "); break; - case 2: printf ("trap "); break; - case 3: printf ("empty "); break; - } - for (i = 9; i >= 0; i--) - printf ("%02x", ep.pr_fpu.fpu_stack[fpreg][i]); - - i387_to_double (ep.pr_fpu.fpu_stack[fpreg], (char *)&val); - printf (" %g\n", val); - } - if (ep.pr_fpu.fpu_rsvd1) - warning ("rsvd1 is 0x%x\n", ep.pr_fpu.fpu_rsvd1); - if (ep.pr_fpu.fpu_rsvd2) - warning ("rsvd2 is 0x%x\n", ep.pr_fpu.fpu_rsvd2); - if (ep.pr_fpu.fpu_rsvd3) - warning ("rsvd3 is 0x%x\n", ep.pr_fpu.fpu_rsvd3); - if (ep.pr_fpu.fpu_rsvd5) - warning ("rsvd5 is 0x%x\n", ep.pr_fpu.fpu_rsvd5); -} - - -print_1167_control_word(pcr) -unsigned int pcr; - -{ - int pcr_tmp; - - pcr_tmp = pcr & FPA_PCR_MODE; - printf("\tMODE= %#x; RND= %#x ", pcr_tmp, pcr_tmp & 12); - switch (pcr_tmp & 12) { - case 0: - printf("RN (Nearest Value)"); - break; - case 1: - printf("RZ (Zero)"); - break; - case 2: - printf("RP (Positive Infinity)"); - break; - case 3: - printf("RM (Negative Infinity)"); - break; - } - printf("; IRND= %d ", pcr_tmp & 2); - if (0 == pcr_tmp & 2) { - printf("(same as RND)\n"); - } else { - printf("(toward zero)\n"); - } - pcr_tmp = pcr & FPA_PCR_EM; - printf("\tEM= %#x", pcr_tmp); - if (pcr_tmp & FPA_PCR_EM_DM) printf(" DM"); - if (pcr_tmp & FPA_PCR_EM_UOM) printf(" UOM"); - if (pcr_tmp & FPA_PCR_EM_PM) printf(" PM"); - if (pcr_tmp & FPA_PCR_EM_UM) printf(" UM"); - if (pcr_tmp & FPA_PCR_EM_OM) printf(" OM"); - if (pcr_tmp & FPA_PCR_EM_ZM) printf(" ZM"); - if (pcr_tmp & FPA_PCR_EM_IM) printf(" IM"); - printf("\n"); - pcr_tmp = FPA_PCR_CC; - printf("\tCC= %#x", pcr_tmp); - if (pcr_tmp & FPA_PCR_20MHZ) printf(" 20MHZ"); - if (pcr_tmp & FPA_PCR_CC_Z) printf(" Z"); - if (pcr_tmp & FPA_PCR_CC_C2) printf(" C2"); - if (pcr_tmp & FPA_PCR_CC_C1) printf(" C1"); - switch (pcr_tmp) { - case FPA_PCR_CC_Z: - printf(" (Equal)"); - break; - case FPA_PCR_CC_C1: - printf(" (Less than)"); - break; - case 0: - printf(" (Greater than)"); - break; - case FPA_PCR_CC_Z | FPA_PCR_CC_C1 | FPA_PCR_CC_C2: - printf(" (Unordered)"); - break; - default: - printf(" (Undefined)"); - break; - } - printf("\n"); - pcr_tmp = pcr & FPA_PCR_AE; - printf("\tAE= %#x", pcr_tmp); - if (pcr_tmp & FPA_PCR_AE_DE) printf(" DE"); - if (pcr_tmp & FPA_PCR_AE_UOE) printf(" UOE"); - if (pcr_tmp & FPA_PCR_AE_PE) printf(" PE"); - if (pcr_tmp & FPA_PCR_AE_UE) printf(" UE"); - if (pcr_tmp & FPA_PCR_AE_OE) printf(" OE"); - if (pcr_tmp & FPA_PCR_AE_ZE) printf(" ZE"); - if (pcr_tmp & FPA_PCR_AE_EE) printf(" EE"); - if (pcr_tmp & FPA_PCR_AE_IE) printf(" IE"); - printf("\n"); -} - -print_1167_regs(regs) -long regs[FPA_NREGS]; - -{ - int i; - - union { - double d; - long l[2]; - } xd; - union { - float f; - long l; - } xf; - - - for (i = 0; i < FPA_NREGS; i++) { - xf.l = regs[i]; - printf("%%fp%d: raw= %#x, single= %f", i+1, regs[i], xf.f); - if (!(i & 1)) { - printf("\n"); - } else { - xd.l[1] = regs[i]; - xd.l[0] = regs[i+1]; - printf(", double= %f\n", xd.d); - } - } -} - -print_fpa_status(ep) -struct pt_regset ep; - -{ - - printf("WTL 1167:"); - if (ep.pr_fpa.fpa_pcr !=0) { - printf("\n"); - print_1167_control_word(ep.pr_fpa.fpa_pcr); - print_1167_regs(ep.pr_fpa.fpa_regs); - } else { - printf(" not in use.\n"); - } -} - -i386_float_info () -{ - char ubuf[UPAGES*NBPG]; - struct pt_regset regset; - extern int corechan; - - if (have_inferior_p()) { - call_ptrace(XPT_RREGS, inferior_pid, (PTRACE_ARG3_TYPE) ®set, 0); - } else { - if (lseek (corechan, 0, 0) < 0) { - perror ("seek on core file"); - } - if (myread (corechan, ubuf, UPAGES*NBPG) < 0) { - perror ("read on core file"); - } - /* only interested in the floating point registers */ - regset.pr_fpu = ((struct user *) ubuf)->u_fpusave; - regset.pr_fpa = ((struct user *) ubuf)->u_fpasave; - } - print_fpu_status(regset); - print_fpa_status(regset); -} |