/* BFD back-end for AIX on PS/2 core files. This was based on trad-core.c, which was written by John Gilmore of Cygnus Support. Copyright 1988, 1989, 1991, 1992, 1993 Free Software Foundation, Inc. Written by Minh Tran-Le . Converted to back end form by Ian Lance Taylor . This file is part of BFD, the Binary File Descriptor library. 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. */ /* To use this file on a particular host, configure the host with these parameters in the config/h-HOST file: HDEFINES=-DAIX386_CORE=1 HDEPFILES=aix386-core.o */ #include "bfd.h" #include "sysdep.h" #include "libbfd.h" #include "obstack.h" #include "coff/i386.h" #include "coff/internal.h" #include "libcoff.h" #include #include #include #include #if defined (_AIX) && defined (_I386) #define NOCHECKS /* this is for coredump.h */ #define _h_USER /* avoid including user.h from coredump.h */ #include #include #endif /* _AIX && _I386 */ /* maybe this could work on some other i386 but I have not tried it * mtranle@paris - Tue Sep 24 12:49:35 1991 */ #ifndef COR_MAGIC # define COR_MAGIC "core" #endif /* need this cast because ptr is really void * */ #define core_hdr(bfd) \ (((bfd->tdata.trad_core_data))->hdr) #define core_section(bfd,n) \ (((bfd)->tdata.trad_core_data)->sections[n]) #define core_regsec(bfd) \ (((bfd)->tdata.trad_core_data)->reg_section) #define core_reg2sec(bfd) \ (((bfd)->tdata.trad_core_data)->reg2_section) /* These are stored in the bfd's tdata */ struct trad_core_struct { struct corehdr *hdr; /* core file header */ asection *reg_section; asection *reg2_section; asection *sections[MAX_CORE_SEGS]; }; static bfd_target * DEFUN(aix386_core_file_p,(abfd), bfd *abfd) { int i,n; unsigned char longbuf[4]; /* Raw bytes of various header fields */ int core_size = sizeof (struct corehdr); struct corehdr *core; struct mergem { struct trad_core_struct coredata; struct corehdr internal_core; } *mergem; bfd_error = system_call_error; if (bfd_read ((PTR)longbuf, 1, sizeof (longbuf), abfd) != sizeof (longbuf)) return 0; if (strncmp(longbuf,COR_MAGIC,4)) return 0; if (bfd_seek (abfd, 0L, false) < 0) return 0; mergem = (struct mergem *)bfd_zalloc (abfd, sizeof (struct mergem)); if (mergem == NULL) { bfd_error = no_memory; return 0; } core = &mergem->internal_core; if ((bfd_read ((PTR) core, 1, core_size, abfd)) != core_size) { bfd_error = system_call_error; bfd_release (abfd, (char *)mergem); return 0; } set_tdata (abfd, &mergem->coredata); core_hdr (abfd) = core; /* create the sections. This is raunchy, but bfd_close wants to reclaim them */ core_regsec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection)); if (core_regsec (abfd) == NULL) { loser: bfd_error = no_memory; bfd_release (abfd, (char *)mergem); return 0; } core_reg2sec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection)); if (core_reg2sec (abfd) == NULL) { loser1: bfd_release (abfd, core_regsec (abfd)); goto loser; } for (i=0, n=0 ; (i < MAX_CORE_SEGS) && (core->cd_segs[i].cs_type) ; i++) { if (core->cd_segs[i].cs_offset == 0) continue; core_section (abfd,n) = (asection *) bfd_zalloc (abfd, sizeof (asection)); if (core_section (abfd,n) == NULL) { int j; if (n > 0) { for (j=0; j < n; j++) bfd_release (abfd, core_section(abfd, j)); } bfd_release (abfd, (char *)mergem); goto loser1; } switch (core->cd_segs[i].cs_type) { case COR_TYPE_DATA: core_section (abfd, n)->name = ".data"; core_section (abfd, n)->flags = (SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS); break; case COR_TYPE_STACK: core_section (abfd, n)->name = ".stack"; core_section (abfd, n)->flags = (SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS); break; case COR_TYPE_LIBDATA: core_section (abfd, n)->name = ".libdata"; core_section (abfd, n)->flags = (SEC_ALLOC + SEC_HAS_CONTENTS); break; case COR_TYPE_WRITE: core_section (abfd, n)->name = ".writeable"; core_section (abfd, n)->flags = (SEC_ALLOC + SEC_HAS_CONTENTS); break; case COR_TYPE_MSC: core_section (abfd, n)->name = ".misc"; core_section (abfd, n)->flags = (SEC_ALLOC + SEC_HAS_CONTENTS); break; default: core_section (abfd, n)->name = ".unknown"; core_section (abfd, n)->flags = (SEC_ALLOC + SEC_HAS_CONTENTS); break; } core_section (abfd, n)->_raw_size = core->cd_segs[i].cs_len; core_section (abfd, n)->vma = core->cd_segs[i].cs_address; core_section (abfd, n)->filepos = core->cd_segs[i].cs_offset; core_section (abfd, n)->alignment_power = 2; core_section (abfd, n)->next = NULL; if (n > 0) core_section (abfd, (n-1))->next = core_section (abfd, n); abfd->section_count = ++n; } core_regsec (abfd)->name = ".reg"; core_reg2sec (abfd)->name = ".reg2"; core_regsec (abfd)->flags = SEC_ALLOC + SEC_HAS_CONTENTS; core_reg2sec (abfd)->flags = SEC_ALLOC + SEC_HAS_CONTENTS; core_regsec (abfd)->_raw_size = sizeof(core->cd_regs); core_reg2sec (abfd)->_raw_size = sizeof(core->cd_fpregs); core_regsec (abfd)->vma = -1; core_reg2sec (abfd)->vma = -1; /* We'll access the regs afresh in the core file, like any section: */ core_regsec (abfd)->filepos = (file_ptr)offsetof(struct corehdr,cd_regs[0]); core_reg2sec (abfd)->filepos = (file_ptr)offsetof(struct corehdr, cd_fpregs); /* add the 2 reg fake sections to abfd */ abfd->section_count += 2; abfd->sections = core_regsec (abfd); core_regsec (abfd)->next = core_reg2sec (abfd); core_reg2sec (abfd)->next = core_section (abfd, 0); return abfd->xvec; } static char * DEFUN(aix386_core_file_failing_command,(abfd), bfd *abfd) { return core_hdr (abfd)->cd_comm; } static int DEFUN(aix386_core_file_failing_signal,(abfd), bfd *abfd) { return core_hdr (abfd)->cd_cursig; } static boolean DEFUN(aix386_core_file_matches_executable_p, (core_bfd, exec_bfd), bfd *core_bfd AND bfd *exec_bfd) { return true; /* FIXME, We have no way of telling at this point */ } /* No archive file support via this BFD */ #define aix386_openr_next_archived_file bfd_generic_openr_next_archived_file #define aix386_generic_stat_arch_elt bfd_generic_stat_arch_elt #define aix386_slurp_armap bfd_false #define aix386_slurp_extended_name_table bfd_true #define aix386_write_armap (PROTO (boolean, (*), \ (bfd *arch, unsigned int elength, struct orl *map, \ unsigned int orl_count, int stridx))) bfd_false #define aix386_truncate_arname bfd_dont_truncate_arname #define aix386_close_and_cleanup bfd_generic_close_and_cleanup #define aix386_set_section_contents (PROTO(boolean, (*), \ (bfd *abfd, asection *section, PTR data, file_ptr offset, \ bfd_size_type count))) bfd_false #define aix386_get_section_contents bfd_generic_get_section_contents #define aix386_new_section_hook (PROTO (boolean, (*), \ (bfd *, sec_ptr))) bfd_true #define aix386_get_symtab_upper_bound bfd_0u #define aix386_get_symtab (PROTO (unsigned int, (*), \ (bfd *, struct symbol_cache_entry **))) bfd_0u #define aix386_get_reloc_upper_bound (PROTO (unsigned int, (*), \ (bfd *, sec_ptr))) bfd_0u #define aix386_canonicalize_reloc (PROTO (unsigned int, (*), \ (bfd *, sec_ptr, arelent **, struct symbol_cache_entry**))) bfd_0u #define aix386_make_empty_symbol (PROTO ( \ struct symbol_cache_entry *, (*), (bfd *))) bfd_false #define aix386_print_symbol (PROTO (void, (*), \ (bfd *, PTR, struct symbol_cache_entry *, \ bfd_print_symbol_type))) bfd_false #define aix386_get_symbol_info (PROTO (void, (*), \ (bfd *, struct symbol_cache_entry *, \ symbol_info *))) bfd_false #define aix386_get_lineno (PROTO (alent *, (*), \ (bfd *, struct symbol_cache_entry *))) bfd_nullvoidptr #define aix386_set_arch_mach (PROTO (boolean, (*), \ (bfd *, enum bfd_architecture, unsigned long))) bfd_false #define aix386_find_nearest_line (PROTO (boolean, (*), \ (bfd *abfd, struct sec *section, \ struct symbol_cache_entry **symbols,bfd_vma offset, \ CONST char **file, CONST char **func, unsigned int *line))) bfd_false #define aix386_sizeof_headers (PROTO (int, (*), \ (bfd *, boolean))) bfd_0 #define aix386_bfd_debug_info_start bfd_void #define aix386_bfd_debug_info_end bfd_void #define aix386_bfd_debug_info_accumulate (PROTO (void, (*), \ (bfd *, struct sec *))) bfd_void #define aix386_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents #define aix386_bfd_relax_section bfd_generic_relax_section #define aix386_bfd_reloc_type_lookup \ ((CONST struct reloc_howto_struct *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) bfd_nullvoidptr) #define aix386_bfd_make_debug_symbol \ ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr) #define aix386_bfd_link_hash_table_create \ ((struct bfd_link_hash_table *(*) PARAMS ((bfd *))) bfd_nullvoidptr) #define aix386_bfd_link_add_symbols \ ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false) #define aix386_bfd_final_link \ ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false) /* If somebody calls any byte-swapping routines, shoot them. */ void swap_abort() { abort(); /* This way doesn't require any declaration for ANSI to fuck up */ } #define NO_GET ((PROTO(bfd_vma, (*), ( bfd_byte *))) swap_abort ) #define NO_GETS ((PROTO(bfd_signed_vma, (*), ( bfd_byte *))) swap_abort ) #define NO_PUT ((PROTO(void, (*), (bfd_vma, bfd_byte *))) swap_abort ) bfd_target aix386_core_vec = { "aix386-core", bfd_target_unknown_flavour, true, /* target byte order */ true, /* target headers byte order */ (HAS_RELOC | EXEC_P | /* object flags */ HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS | WP_TEXT), (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ 0, /* leading underscore */ ' ', /* ar_pad_char */ 16, /* ar_max_namelen */ 3, /* minimum alignment power */ NO_GET, NO_GETS, NO_PUT, NO_GET, NO_GETS, NO_PUT, NO_GET, NO_GETS, NO_PUT, /* data */ NO_GET, NO_GETS, NO_PUT, NO_GET, NO_GETS, NO_PUT, NO_GET, NO_GETS, NO_PUT, /* hdrs */ {_bfd_dummy_target, _bfd_dummy_target, _bfd_dummy_target, aix386_core_file_p}, {bfd_false, bfd_false, /* bfd_create_object */ bfd_false, bfd_false}, {bfd_false, bfd_false, /* bfd_write_contents */ bfd_false, bfd_false}, JUMP_TABLE(aix386), (PTR) 0 };