diff options
Diffstat (limited to 'gdb/ptx4-nat.c')
| -rw-r--r-- | gdb/ptx4-nat.c | 256 |
1 files changed, 133 insertions, 123 deletions
diff --git a/gdb/ptx4-nat.c b/gdb/ptx4-nat.c index ef83ccc955e..9640d283eba 100644 --- a/gdb/ptx4-nat.c +++ b/gdb/ptx4-nat.c @@ -1,21 +1,22 @@ /* Native-dependent code for ptx 4.0 Copyright 1988, 1989, 1991, 1992 Free Software Foundation, Inc. -This file is part of GDB. + 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 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. + 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. */ + 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. */ #include "defs.h" #include "inferior.h" @@ -26,23 +27,23 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include <fcntl.h> /* Given a pointer to a general register set in /proc format (gregset_t *), - unpack the register contents and supply them as gdb's idea of the current - register values. */ + unpack the register contents and supply them as gdb's idea of the current + register values. */ void supply_gregset (gregsetp) gregset_t *gregsetp; { - supply_register(EAX_REGNUM, (char *)&(*gregsetp)[EAX]); - supply_register(EDX_REGNUM, (char *)&(*gregsetp)[EDX]); - supply_register(ECX_REGNUM, (char *)&(*gregsetp)[ECX]); - supply_register(EBX_REGNUM, (char *)&(*gregsetp)[EBX]); - supply_register(ESI_REGNUM, (char *)&(*gregsetp)[ESI]); - supply_register(EDI_REGNUM, (char *)&(*gregsetp)[EDI]); - supply_register(ESP_REGNUM, (char *)&(*gregsetp)[UESP]); - supply_register(EBP_REGNUM, (char *)&(*gregsetp)[EBP]); - supply_register(EIP_REGNUM, (char *)&(*gregsetp)[EIP]); - supply_register(EFLAGS_REGNUM, (char *)&(*gregsetp)[EFL]); + supply_register (EAX_REGNUM, (char *) &(*gregsetp)[EAX]); + supply_register (EDX_REGNUM, (char *) &(*gregsetp)[EDX]); + supply_register (ECX_REGNUM, (char *) &(*gregsetp)[ECX]); + supply_register (EBX_REGNUM, (char *) &(*gregsetp)[EBX]); + supply_register (ESI_REGNUM, (char *) &(*gregsetp)[ESI]); + supply_register (EDI_REGNUM, (char *) &(*gregsetp)[EDI]); + supply_register (ESP_REGNUM, (char *) &(*gregsetp)[UESP]); + supply_register (EBP_REGNUM, (char *) &(*gregsetp)[EBP]); + supply_register (EIP_REGNUM, (char *) &(*gregsetp)[EIP]); + supply_register (EFLAGS_REGNUM, (char *) &(*gregsetp)[EFL]); } void @@ -52,11 +53,11 @@ fill_gregset (gregsetp, regno) { int regi; - for (regi = 0 ; regi < NUM_REGS ; regi++) + for (regi = 0; regi < NUM_REGS; regi++) { if ((regno == -1) || (regno == regi)) { - (*gregsetp)[regi] = *(greg_t *)®isters[REGISTER_BYTE (regi)]; + (*gregsetp)[regi] = *(greg_t *) & registers[REGISTER_BYTE (regi)]; } } } @@ -64,21 +65,21 @@ fill_gregset (gregsetp, regno) #if defined (FP0_REGNUM) /* Given a pointer to a floating point register set in /proc format - (fpregset_t *), unpack the register contents and supply them as gdb's - idea of the current floating point register values. */ + (fpregset_t *), unpack the register contents and supply them as gdb's + idea of the current floating point register values. */ -void +void supply_fpregset (fpregsetp) fpregset_t *fpregsetp; { - supply_fpu_registers((struct fpusave *)&fpregsetp->fp_reg_set); - supply_fpa_registers((struct fpasave *)&fpregsetp->f_wregs); + supply_fpu_registers ((struct fpusave *) &fpregsetp->fp_reg_set); + supply_fpa_registers ((struct fpasave *) &fpregsetp->f_wregs); } /* Given a pointer to a floating point register set in /proc format - (fpregset_t *), update the register specified by REGNO from gdb's idea - of the current floating point register set. If REGNO is -1, update - them all. */ + (fpregset_t *), update the register specified by REGNO from gdb's idea + of the current floating point register set. If REGNO is -1, update + them all. */ void fill_fpregset (fpregsetp, regno) @@ -92,7 +93,7 @@ fill_fpregset (fpregsetp, regno) /* FIXME: see m68k-tdep.c for an example, for the m68k. */ } -#endif /* defined (FP0_REGNUM) */ +#endif /* defined (FP0_REGNUM) */ /* * This doesn't quite do the same thing as the procfs.c version, but give @@ -100,108 +101,117 @@ fill_fpregset (fpregsetp, regno) */ /* this could use elf_interpreter() from elfread.c */ int -proc_iterate_over_mappings(func) - int (*func) PARAMS ((int, CORE_ADDR)); +proc_iterate_over_mappings (func) + int (*func) PARAMS ((int, CORE_ADDR)); { - vaddr_t curseg, memptr; - pt_vseg_t pv; - int rv, cmperr; - sec_ptr interp_sec; - char *interp_content; - int interp_fd, funcstat; - unsigned int size; - char buf1[NBPG], buf2[NBPG]; - - /* - * The following is really vile. We can get the name of the - * shared library from the exec_bfd, and we can get a list of - * each virtual memory segment, but there is no simple way to - * find the mapped segment from the shared library (ala - * procfs's PIOCOPENMEM). As a pretty nasty kludge, we - * compare the virtual memory segment to the contents of the - * .interp file. If they match, we assume that we've got the - * right one. - */ - - /* - * TODO: for attach, use XPT_OPENT to get the executable, in - * case we're attached without knowning the executable's - * filename. - */ + vaddr_t curseg, memptr; + pt_vseg_t pv; + int rv, cmperr; + sec_ptr interp_sec; + char *interp_content; + int interp_fd, funcstat; + unsigned int size; + char buf1[NBPG], buf2[NBPG]; + + /* + * The following is really vile. We can get the name of the + * shared library from the exec_bfd, and we can get a list of + * each virtual memory segment, but there is no simple way to + * find the mapped segment from the shared library (ala + * procfs's PIOCOPENMEM). As a pretty nasty kludge, we + * compare the virtual memory segment to the contents of the + * .interp file. If they match, we assume that we've got the + * right one. + */ + + /* + * TODO: for attach, use XPT_OPENT to get the executable, in + * case we're attached without knowning the executable's + * filename. + */ #ifdef VERBOSE_DEBUG - printf("proc_iter\n"); + printf ("proc_iter\n"); #endif - interp_sec = bfd_get_section_by_name(exec_bfd, ".interp"); - if (!interp_sec) { - return 0; - } + interp_sec = bfd_get_section_by_name (exec_bfd, ".interp"); + if (!interp_sec) + { + return 0; + } - size = bfd_section_size(exec_bfd, interp_sec); - interp_content = alloca(size); - if (0 == bfd_get_section_contents(exec_bfd, interp_sec, - interp_content, (file_ptr)0, size)) { - return 0; - } + size = bfd_section_size (exec_bfd, interp_sec); + interp_content = alloca (size); + if (0 == bfd_get_section_contents (exec_bfd, interp_sec, + interp_content, (file_ptr) 0, size)) + { + return 0; + } #ifdef VERBOSE_DEBUG - printf("proc_iter: \"%s\"\n", interp_content); + printf ("proc_iter: \"%s\"\n", interp_content); #endif - interp_fd = open(interp_content, O_RDONLY, 0); - if (-1 == interp_fd) { - return 0; - } + interp_fd = open (interp_content, O_RDONLY, 0); + if (-1 == interp_fd) + { + return 0; + } - curseg = 0; - while (1) { - rv = ptrace(PT_NEXT_VSEG, inferior_pid, &pv, curseg); + curseg = 0; + while (1) + { + rv = ptrace (PT_NEXT_VSEG, inferior_pid, &pv, curseg); #ifdef VERBOSE_DEBUG - printf("PT_NEXT_VSEG: rv %d errno %d\n", rv, errno); + printf ("PT_NEXT_VSEG: rv %d errno %d\n", rv, errno); #endif - if (-1 == rv) - break; - if (0 == rv) - break; + if (-1 == rv) + break; + if (0 == rv) + break; #ifdef VERBOSE_DEBUG - printf("pv.pv_start 0x%x pv_size 0x%x pv_prot 0x%x\n", - pv.pv_start, pv.pv_size, pv.pv_prot); + printf ("pv.pv_start 0x%x pv_size 0x%x pv_prot 0x%x\n", + pv.pv_start, pv.pv_size, pv.pv_prot); #endif - curseg = pv.pv_start + pv.pv_size; - - rv = lseek(interp_fd, 0, SEEK_SET); - if (-1 == rv) { - perror("lseek"); - close(interp_fd); - return 0; - } - for (memptr = pv.pv_start; memptr < pv.pv_start + pv.pv_size; - memptr += NBPG) { + curseg = pv.pv_start + pv.pv_size; + + rv = lseek (interp_fd, 0, SEEK_SET); + if (-1 == rv) + { + perror ("lseek"); + close (interp_fd); + return 0; + } + for (memptr = pv.pv_start; memptr < pv.pv_start + pv.pv_size; + memptr += NBPG) + { #ifdef VERBOSE_DEBUG - printf("memptr 0x%x\n", memptr); + printf ("memptr 0x%x\n", memptr); #endif - rv = read(interp_fd, buf1, NBPG); - if (-1 == rv) { - perror("read"); - close(interp_fd); - return 0; - } - rv = ptrace(PT_RDATA_PAGE, inferior_pid, buf2, - memptr); - if (-1 == rv) { - perror("ptrace"); - close(interp_fd); - return 0; - } - cmperr = memcmp(buf1, buf2, NBPG); - if (cmperr) - break; - } - if (0 == cmperr) { - /* this is it */ - funcstat = (*func)(interp_fd, pv.pv_start); - break; - } + rv = read (interp_fd, buf1, NBPG); + if (-1 == rv) + { + perror ("read"); + close (interp_fd); + return 0; + } + rv = ptrace (PT_RDATA_PAGE, inferior_pid, buf2, + memptr); + if (-1 == rv) + { + perror ("ptrace"); + close (interp_fd); + return 0; + } + cmperr = memcmp (buf1, buf2, NBPG); + if (cmperr) + break; + } + if (0 == cmperr) + { + /* this is it */ + funcstat = (*func) (interp_fd, pv.pv_start); + break; } - close(interp_fd); - return 0; + } + close (interp_fd); + return 0; } |