/* BFD back-end for HP/UX core files.
- Copyright 1993, 1994, 1996, 1998, 1999, 2001, 2002, 2003, 2004
- Free Software Foundation, Inc.
+ Copyright (C) 1993-2020 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 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 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.
+ 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. */
-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. */
/* This file can only be compiled on systems which use HP/UX style
core files. */
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
-#if defined (HOST_HPPAHPUX) || defined (HOST_HP300HPUX) || defined (HOST_HPPAMPEIX)
+#if defined (HOST_HPPAHPUX) || 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
# endif
#endif
#include <signal.h>
+#ifdef HPUX_CORE
#include <machine/reg.h>
-#include <sys/user.h> /* After a.out.h */
+#endif
#include <sys/file.h>
/* Kludge: There's no explicit mechanism provided by sys/core.h to
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 */
+#define CORE_ANON_SHMEM 0x00000200 /* anonymous shared memory */
#endif
/* These are stored in the bfd's tdata */
struct hpux_core_struct
{
int sig;
- int lwpid; /* Kernel thread ID. */
+ int lwpid; /* Kernel thread ID. */
unsigned long user_tid; /* User thread ID. */
char cmd[MAXCOMLEN + 1];
};
#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
- PARAMS ((bfd *, const char *, flagword, bfd_size_type, bfd_vma,
- unsigned int));
-static const bfd_target *hpux_core_core_file_p
- PARAMS ((bfd *));
-static char *hpux_core_core_file_failing_command
- PARAMS ((bfd *));
-static int hpux_core_core_file_failing_signal
- PARAMS ((bfd *));
-static bfd_boolean hpux_core_core_file_matches_executable_p
- PARAMS ((bfd *, bfd *));
-static void swap_abort
- PARAMS ((void));
+static asection *make_bfd_asection (bfd *, const char *, flagword,
+ bfd_size_type, bfd_vma, unsigned int);
+static bfd_cleanup 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 (abfd, name, flags, _raw_size, vma, alignment_power)
- bfd *abfd;
- const char *name;
- flagword flags;
- bfd_size_type _raw_size;
- bfd_vma vma;
- unsigned int alignment_power;
+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;
strcpy (newname, name);
- asect = bfd_make_section_anyway (abfd, newname);
+ asect = bfd_make_section_anyway_with_flags (abfd, newname, flags);
if (!asect)
return NULL;
- asect->flags = flags;
- asect->_raw_size = _raw_size;
+ 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.
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 (abfd)
- bfd *abfd;
+static bfd_cleanup
+hpux_core_core_file_p (bfd *abfd)
{
int good_sections = 0;
int unknown_sections = 0;
case CORE_FORMAT:
/* Just skip this. */
bfd_seek (abfd, (file_ptr) core_header.len, SEEK_CUR);
- good_sections++;
+ good_sections++;
break;
case CORE_EXEC:
{
abfd) != core_header.len)
break;
strncpy (core_command (abfd), proc_exec.cmd, MAXCOMLEN + 1);
- good_sections++;
+ 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. */
+ /* 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;
+ /* 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;
+ 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;
+ 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,
- (int) &proc_info - (int) & proc_info.hw_regs,
- 2))
+ /* 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)
- {
+ }
+ 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,
- (int) &proc_info - (int) & proc_info.hw_regs,
+ (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,
- (int) &proc_info - (int) & proc_info.hw_regs,
- 2))
+ }
+ /* 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++;
+ if (bfd_seek (abfd, (file_ptr) core_header.len, SEEK_CUR) != 0)
+ break;
+ good_sections++;
}
break;
case CORE_ANON_SHMEM:
if (!make_bfd_asection (abfd, ".data",
SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS,
- core_header.len, core_header.addr, 2))
+ core_header.len,
+ (bfd_vma) core_header.addr, 2))
goto fail;
bfd_seek (abfd, (file_ptr) core_header.len, SEEK_CUR);
- good_sections++;
+ 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.
- */
+ /* 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;
+ break;
- default:
+ 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
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);
+ _bfd_error_handler
+ ("%pB 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);
- return abfd->xvec;
+ return _bfd_no_cleanup;
fail:
bfd_release (abfd, core_hdr (abfd));
}
static char *
-hpux_core_core_file_failing_command (abfd)
- bfd *abfd;
+hpux_core_core_file_failing_command (bfd *abfd)
{
return core_command (abfd);
}
static int
-hpux_core_core_file_failing_signal (abfd)
- bfd *abfd;
+hpux_core_core_file_failing_signal (bfd *abfd)
{
return core_signal (abfd);
}
-static bfd_boolean
-hpux_core_core_file_matches_executable_p (core_bfd, exec_bfd)
- bfd *core_bfd ATTRIBUTE_UNUSED;
- bfd *exec_bfd ATTRIBUTE_UNUSED;
-{
- return TRUE; /* FIXME, We have no way of telling at this point */
-}
\f
/* If somebody calls any byte-swapping routines, shoot them. */
static void
-swap_abort ()
+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 =
+const bfd_target core_hpux_vec =
{
"hpux-core",
bfd_target_unknown_flavour,
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 */
- NO_GET, NO_GETS, NO_PUT, /* 64 bit data */
+ 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_GET, NO_GETS, NO_PUT, /* 64 bit hdrs */
+ 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_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_bool_bfd_false_error,
+ _bfd_bool_bfd_false_error,
+ _bfd_bool_bfd_false_error,
+ _bfd_bool_bfd_false_error
},
{ /* bfd_write_contents */
- bfd_false, bfd_false,
- bfd_false, bfd_false
+ _bfd_bool_bfd_false_error,
+ _bfd_bool_bfd_false_error,
+ _bfd_bool_bfd_false_error,
+ _bfd_bool_bfd_false_error
},
BFD_JUMP_TABLE_GENERIC (_bfd_generic),
NULL,
- (PTR) 0 /* backend_data */
-};
+ NULL /* backend_data */
+ };
projects / deliverable / binutils-gdb.git / blobdiff