diff options
Diffstat (limited to 'binutils-2.24/bfd/hpux-core.c')
| -rw-r--r-- | binutils-2.24/bfd/hpux-core.c | 429 |
1 files changed, 0 insertions, 429 deletions
diff --git a/binutils-2.24/bfd/hpux-core.c b/binutils-2.24/bfd/hpux-core.c deleted file mode 100644 index 3731210e..00000000 --- a/binutils-2.24/bfd/hpux-core.c +++ /dev/null @@ -1,429 +0,0 @@ -/* BFD back-end for HP/UX core files. - Copyright 1993, 1994, 1996, 1998, 1999, 2001, 2002, 2003, 2004, 2005, 2006, - 2007, 2008, 2010, 2011, 2012 Free Software Foundation, Inc. - Written by Stu Grossman, Cygnus Support. - Converted to back-end form by Ian Lance Taylor, Cygnus SUpport - - 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 3 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., 51 Franklin Street - Fifth Floor, Boston, - MA 02110-1301, USA. */ - - -/* This file can only be compiled on systems which use HP/UX style - core files. */ - -#include "sysdep.h" -#include "bfd.h" -#include "libbfd.h" - -#if defined (HOST_HPPAHPUX) || defined (HOST_HP300HPUX) || defined (HOST_HPPAMPEIX) - -/* FIXME: sys/core.h doesn't exist for HPUX version 7. HPUX version - 5, 6, and 7 core files seem to be standard trad-core.c type core - files; can we just use trad-core.c in addition to this file? */ - -#include <sys/core.h> -#include <sys/utsname.h> - -#endif /* HOST_HPPAHPUX */ - -#ifdef HOST_HPPABSD - -/* Not a very swift place to put it, but that's where the BSD port - puts them. */ -#include "/hpux/usr/include/sys/core.h" - -#endif /* HOST_HPPABSD */ - -#include <sys/param.h> -#ifdef HAVE_DIRENT_H -# include <dirent.h> -#else -# ifdef HAVE_SYS_NDIR_H -# include <sys/ndir.h> -# endif -# ifdef HAVE_SYS_DIR_H -# include <sys/dir.h> -# endif -# ifdef HAVE_NDIR_H -# include <ndir.h> -# endif -#endif -#include <signal.h> -#ifdef HPUX_CORE -#include <machine/reg.h> -#endif -#include <sys/file.h> - -/* Kludge: There's no explicit mechanism provided by sys/core.h to - conditionally know whether a proc_info has thread id fields. - However, CORE_ANON_SHMEM shows up first at 10.30, which is - happily also when meaningful thread id's show up in proc_info. */ -#if defined(CORE_ANON_SHMEM) -#define PROC_INFO_HAS_THREAD_ID (1) -#endif - -/* This type appears at HP-UX 10.30. Defining it if not defined - by sys/core.h allows us to build for older HP-UX's, and (since - it won't be encountered in core-dumps from older HP-UX's) is - harmless. */ -#if !defined(CORE_ANON_SHMEM) -#define CORE_ANON_SHMEM 0x00000200 /* anonymous shared memory */ -#endif - -/* These are stored in the bfd's tdata */ - -/* .lwpid and .user_tid are only valid if PROC_INFO_HAS_THREAD_ID, else they - are set to 0. Also, until HP-UX implements MxN threads, .user_tid and - .lwpid are synonymous. */ -struct hpux_core_struct -{ - int sig; - int lwpid; /* Kernel thread ID. */ - unsigned long user_tid; /* User thread ID. */ - char cmd[MAXCOMLEN + 1]; -}; - -#define core_hdr(bfd) ((bfd)->tdata.hpux_core_data) -#define core_signal(bfd) (core_hdr(bfd)->sig) -#define core_command(bfd) (core_hdr(bfd)->cmd) -#define core_kernel_thread_id(bfd) (core_hdr(bfd)->lwpid) -#define core_user_thread_id(bfd) (core_hdr(bfd)->user_tid) -#define hpux_core_core_file_matches_executable_p generic_core_file_matches_executable_p -#define hpux_core_core_file_pid _bfd_nocore_core_file_pid - -static asection *make_bfd_asection (bfd *, const char *, flagword, - bfd_size_type, bfd_vma, unsigned int); -static const bfd_target *hpux_core_core_file_p (bfd *); -static char *hpux_core_core_file_failing_command (bfd *); -static int hpux_core_core_file_failing_signal (bfd *); -static void swap_abort (void); - -static asection * -make_bfd_asection (bfd *abfd, const char *name, flagword flags, - bfd_size_type size, bfd_vma vma, - unsigned int alignment_power) -{ - asection *asect; - char *newname; - - newname = bfd_alloc (abfd, (bfd_size_type) strlen (name) + 1); - if (!newname) - return NULL; - - strcpy (newname, name); - - asect = bfd_make_section_anyway_with_flags (abfd, newname, flags); - if (!asect) - return NULL; - - asect->size = size; - asect->vma = vma; - asect->filepos = bfd_tell (abfd); - asect->alignment_power = alignment_power; - - return asect; -} - -/* Return true if the given core file section corresponds to a thread, - based on its name. */ - -static int -thread_section_p (bfd *abfd ATTRIBUTE_UNUSED, - asection *sect, - void *obj ATTRIBUTE_UNUSED) -{ - return CONST_STRNEQ (sect->name, ".reg/"); -} - -/* this function builds a bfd target if the file is a corefile. - It returns null or 0 if it finds out thaat it is not a core file. - The way it checks this is by looking for allowed 'type' field values. - These are declared in sys/core.h - There are some values which are 'reserved for future use'. In particular - CORE_NONE is actually defined as 0. This may be a catch-all for cases - in which the core file is generated by some non-hpux application. - (I am just guessing here!) -*/ -static const bfd_target * -hpux_core_core_file_p (bfd *abfd) -{ - int good_sections = 0; - int unknown_sections = 0; - - core_hdr (abfd) = (struct hpux_core_struct *) - bfd_zalloc (abfd, (bfd_size_type) sizeof (struct hpux_core_struct)); - if (!core_hdr (abfd)) - return NULL; - - while (1) - { - int val; - struct corehead core_header; - - val = bfd_bread ((void *) &core_header, - (bfd_size_type) sizeof core_header, abfd); - if (val <= 0) - break; - switch (core_header.type) - { - case CORE_KERNEL: - case CORE_FORMAT: - /* Just skip this. */ - bfd_seek (abfd, (file_ptr) core_header.len, SEEK_CUR); - good_sections++; - break; - case CORE_EXEC: - { - struct proc_exec proc_exec; - if (bfd_bread ((void *) &proc_exec, (bfd_size_type) core_header.len, - abfd) != core_header.len) - break; - strncpy (core_command (abfd), proc_exec.cmd, MAXCOMLEN + 1); - good_sections++; - } - break; - case CORE_PROC: - { - struct proc_info proc_info; - char secname[100]; /* Of arbitrary size, but plenty large. */ - - /* We need to read this section, 'cause we need to determine - whether the core-dumped app was threaded before we create - any .reg sections. */ - if (bfd_bread (&proc_info, (bfd_size_type) core_header.len, abfd) - != core_header.len) - break; - - /* However, we also want to create those sections with the - file positioned at the start of the record, it seems. */ - if (bfd_seek (abfd, -((file_ptr) core_header.len), SEEK_CUR) != 0) - break; - -#if defined(PROC_INFO_HAS_THREAD_ID) - core_kernel_thread_id (abfd) = proc_info.lwpid; - core_user_thread_id (abfd) = proc_info.user_tid; -#else - core_kernel_thread_id (abfd) = 0; - core_user_thread_id (abfd) = 0; -#endif - /* If the program was unthreaded, then we'll just create a - .reg section. - - If the program was threaded, then we'll create .reg/XXXXX - section for each thread, where XXXXX is a printable - representation of the kernel thread id. We'll also - create a .reg section for the thread that was running - and signalled at the time of the core-dump (i.e., this - is effectively an alias, needed to keep GDB happy.) - - Note that we use `.reg/XXXXX' as opposed to '.regXXXXX' - because GDB expects that .reg2 will be the floating- - point registers. */ - if (core_kernel_thread_id (abfd) == 0) - { - if (!make_bfd_asection (abfd, ".reg", - SEC_HAS_CONTENTS, - core_header.len, - (bfd_vma) offsetof (struct proc_info, - hw_regs), - 2)) - goto fail; - } - else - { - /* There are threads. Is this the one that caused the - core-dump? We'll claim it was the running thread. */ - if (proc_info.sig != -1) - { - if (!make_bfd_asection (abfd, ".reg", - SEC_HAS_CONTENTS, - core_header.len, - (bfd_vma)offsetof (struct proc_info, - hw_regs), - 2)) - goto fail; - } - /* We always make one of these sections, for every thread. */ - sprintf (secname, ".reg/%d", core_kernel_thread_id (abfd)); - if (!make_bfd_asection (abfd, secname, - SEC_HAS_CONTENTS, - core_header.len, - (bfd_vma) offsetof (struct proc_info, - hw_regs), - 2)) - goto fail; - } - core_signal (abfd) = proc_info.sig; - if (bfd_seek (abfd, (file_ptr) core_header.len, SEEK_CUR) != 0) - break; - good_sections++; - } - break; - - case CORE_DATA: - case CORE_STACK: - case CORE_TEXT: - case CORE_MMF: - case CORE_SHM: - case CORE_ANON_SHMEM: - if (!make_bfd_asection (abfd, ".data", - SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS, - core_header.len, - (bfd_vma) core_header.addr, 2)) - goto fail; - - bfd_seek (abfd, (file_ptr) core_header.len, SEEK_CUR); - good_sections++; - break; - - case CORE_NONE: - /* Let's not punt if we encounter a section of unknown - type. Rather, let's make a note of it. If we later - see that there were also "good" sections, then we'll - declare that this a core file, but we'll also warn that - it may be incompatible with this gdb. - */ - unknown_sections++; - break; - - default: - goto fail; /*unrecognized core file type */ - } - } - - /* OK, we believe you. You're a core file (sure, sure). */ - - /* On HP/UX, we sometimes encounter core files where none of the threads - was found to be the running thread (ie the signal was set to -1 for - all threads). This happens when the program was aborted externally - via a TT_CORE ttrace system call. In that case, we just pick one - thread at random to be the active thread. */ - if (core_kernel_thread_id (abfd) != 0 - && bfd_get_section_by_name (abfd, ".reg") == NULL) - { - asection *asect = bfd_sections_find_if (abfd, thread_section_p, NULL); - asection *reg_sect; - - if (asect != NULL) - { - reg_sect = make_bfd_asection (abfd, ".reg", asect->flags, - asect->size, asect->vma, - asect->alignment_power); - if (reg_sect == NULL) - goto fail; - - reg_sect->filepos = asect->filepos; - } - } - - /* Were there sections of unknown type? If so, yet there were - at least some complete sections of known type, then, issue - a warning. Possibly the core file was generated on a version - of HP-UX that is incompatible with that for which this gdb was - built. - */ - if ((unknown_sections > 0) && (good_sections > 0)) - (*_bfd_error_handler) - ("%s appears to be a core file,\nbut contains unknown sections. It may have been created on an incompatible\nversion of HP-UX. As a result, some information may be unavailable.\n", - abfd->filename); - - return abfd->xvec; - - fail: - bfd_release (abfd, core_hdr (abfd)); - core_hdr (abfd) = NULL; - bfd_section_list_clear (abfd); - return NULL; -} - -static char * -hpux_core_core_file_failing_command (bfd *abfd) -{ - return core_command (abfd); -} - -static int -hpux_core_core_file_failing_signal (bfd *abfd) -{ - return core_signal (abfd); -} - - -/* If somebody calls any byte-swapping routines, shoot them. */ -static void -swap_abort (void) -{ - abort(); /* This way doesn't require any declaration for ANSI to fuck up */ -} - -#define NO_GET ((bfd_vma (*) (const void *)) swap_abort) -#define NO_PUT ((void (*) (bfd_vma, void *)) swap_abort) -#define NO_GETS ((bfd_signed_vma (*) (const void *)) swap_abort) -#define NO_GET64 ((bfd_uint64_t (*) (const void *)) swap_abort) -#define NO_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort) -#define NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort) - -const bfd_target hpux_core_vec = - { - "hpux-core", - bfd_target_unknown_flavour, - BFD_ENDIAN_BIG, /* target byte order */ - BFD_ENDIAN_BIG, /* target headers byte order */ - (HAS_RELOC | EXEC_P | /* object flags */ - HAS_LINENO | HAS_DEBUG | - HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED), - (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ - 0, /* symbol prefix */ - ' ', /* ar_pad_char */ - 16, /* ar_max_namelen */ - 0, /* match priority. */ - NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit data */ - NO_GET, NO_GETS, NO_PUT, /* 32 bit data */ - NO_GET, NO_GETS, NO_PUT, /* 16 bit data */ - NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit hdrs */ - NO_GET, NO_GETS, NO_PUT, /* 32 bit hdrs */ - NO_GET, NO_GETS, NO_PUT, /* 16 bit hdrs */ - - { /* bfd_check_format */ - _bfd_dummy_target, /* unknown format */ - _bfd_dummy_target, /* object file */ - _bfd_dummy_target, /* archive */ - hpux_core_core_file_p /* a core file */ - }, - { /* bfd_set_format */ - bfd_false, bfd_false, - bfd_false, bfd_false - }, - { /* bfd_write_contents */ - bfd_false, bfd_false, - bfd_false, bfd_false - }, - - BFD_JUMP_TABLE_GENERIC (_bfd_generic), - BFD_JUMP_TABLE_COPY (_bfd_generic), - BFD_JUMP_TABLE_CORE (hpux_core), - BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), - BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols), - BFD_JUMP_TABLE_RELOCS (_bfd_norelocs), - BFD_JUMP_TABLE_WRITE (_bfd_generic), - BFD_JUMP_TABLE_LINK (_bfd_nolink), - BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), - - NULL, - - NULL /* backend_data */ - }; |