diff options
author | Alan Modra <amodra@bigpond.net.au> | 2001-09-18 09:57:26 +0000 |
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committer | Alan Modra <amodra@bigpond.net.au> | 2001-09-18 09:57:26 +0000 |
commit | 439c22790eb92fc38c0c4e91bc343ef8d0e55427 (patch) | |
tree | eb49f3489bb7e104ca1c425d07d5d954ab03148f /bfd/netbsd-core.c | |
parent | 8ff532ca9bf72656df68051c20729d9fdec919b9 (diff) | |
download | gdb-439c22790eb92fc38c0c4e91bc343ef8d0e55427.tar.gz |
Touches most files in bfd/, so likely will be blamed for everything..
o bfd_read and bfd_write lose an unnecessary param and become
bfd_bread and bfd_bwrite.
o bfd_*alloc now all take a bfd_size_type arg, and will error if
size_t is too small. eg. 32 bit host, 64 bit bfd, verrry big files
or bugs in linker scripts etc.
o file_ptr becomes a bfd_signed_vma. Besides matching sizes with
various other types involved in handling sections, this should make
it easier for bfd to support a 64 bit off_t on 32 bit hosts that
provide it.
o I've made the H_GET_* and H_PUT_* macros (which invoke bfd_h_{get,put}_*)
generally available. They now cast their args to bfd_vma and
bfd_byte * as appropriate, which removes a swag of casts from the
source.
o Bug fixes to bfd_get8, aix386_core_vec, elf32_h8_relax_section, and
aout-encap.c.
o Zillions of formatting and -Wconversion fixes.
Diffstat (limited to 'bfd/netbsd-core.c')
-rw-r--r-- | bfd/netbsd-core.c | 232 |
1 files changed, 124 insertions, 108 deletions
diff --git a/bfd/netbsd-core.c b/bfd/netbsd-core.c index c93d6a4dc22..1c1a99ee048 100644 --- a/bfd/netbsd-core.c +++ b/bfd/netbsd-core.c @@ -1,5 +1,5 @@ /* BFD back end for NetBSD style core files - Copyright 1988, 1989, 1991, 1992, 1993, 1996, 1998, 1999, 2000 + Copyright 1988, 1989, 1991, 1992, 1993, 1996, 1998, 1999, 2000, 2001 Free Software Foundation, Inc. Written by Paul Kranenburg, EUR @@ -39,12 +39,12 @@ struct netbsd_core_struct { /* forward declarations */ -static const bfd_target * netbsd_core_file_p PARAMS ((bfd *abfd)); -static char * netbsd_core_file_failing_command PARAMS ((bfd *abfd)); -static int netbsd_core_file_failing_signal PARAMS ((bfd *abfd)); -static boolean netbsd_core_file_matches_executable_p - PARAMS ((bfd *core_bfd, bfd *exec_bfd)); -static void swap_abort PARAMS ((void)); +static const bfd_target *netbsd_core_file_p PARAMS ((bfd *abfd)); +static char *netbsd_core_file_failing_command PARAMS ((bfd *abfd)); +static int netbsd_core_file_failing_signal PARAMS ((bfd *abfd)); +static boolean netbsd_core_file_matches_executable_p + PARAMS ((bfd *core_bfd, bfd *exec_bfd)); +static void swap_abort PARAMS ((void)); /* Handle NetBSD-style core dump file. */ @@ -54,117 +54,132 @@ netbsd_core_file_p (abfd) bfd *abfd; { - int i, val, offset; - asection *asect, *asect2; - struct core core; - struct coreseg coreseg; - - val = bfd_read ((void *)&core, 1, sizeof core, abfd); - if (val != sizeof core) { - /* Too small to be a core file */ - bfd_set_error(bfd_error_wrong_format); - return 0; + int i, val; + file_ptr offset; + asection *asect, *asect2; + struct core core; + struct coreseg coreseg; + bfd_size_type amt = sizeof core; + + val = bfd_bread ((void *) &core, amt, abfd); + if (val != sizeof core) + { + /* Too small to be a core file */ + bfd_set_error (bfd_error_wrong_format); + return 0; + } + + if (CORE_GETMAGIC (core) != COREMAGIC) + { + bfd_set_error (bfd_error_wrong_format); + return 0; + } + + amt = sizeof (struct netbsd_core_struct); + rawptr = (struct netbsd_core_struct *) bfd_zalloc (abfd, amt); + if (rawptr == NULL) + { + bfd_set_error (bfd_error_no_memory); + return 0; + } + + rawptr->core = core; + abfd->tdata.netbsd_core_data = rawptr; + + offset = core.c_hdrsize; + for (i = 0; i < core.c_nseg; i++) + { + + if (bfd_seek (abfd, offset, SEEK_SET) != 0) + goto punt; + + val = bfd_bread ((void *) &coreseg, (bfd_size_type) sizeof coreseg, abfd); + if (val != sizeof coreseg) + { + bfd_set_error (bfd_error_file_truncated); + goto punt; } - - if (CORE_GETMAGIC(core) != COREMAGIC) { - bfd_set_error(bfd_error_wrong_format); - return 0; + if (CORE_GETMAGIC (coreseg) != CORESEGMAGIC) + { + bfd_set_error (bfd_error_wrong_format); + goto punt; } - rawptr = (struct netbsd_core_struct *) - bfd_zalloc (abfd, sizeof (struct netbsd_core_struct)); - if (rawptr == NULL) { - bfd_set_error(bfd_error_no_memory); - return 0; + offset += core.c_seghdrsize; + + amt = sizeof (asection); + asect = (asection *) bfd_zalloc (abfd, amt); + if (asect == NULL) + { + bfd_set_error (bfd_error_no_memory); + goto punt; } - rawptr->core = core; - abfd->tdata.netbsd_core_data = rawptr; - - offset = core.c_hdrsize; - for (i = 0; i < core.c_nseg; i++) { - - if (bfd_seek (abfd, offset, SEEK_SET) != 0) - goto punt; - - val = bfd_read ((void *)&coreseg, 1, sizeof coreseg, abfd); - if (val != sizeof coreseg) { - bfd_set_error(bfd_error_file_truncated); - goto punt; - } - if (CORE_GETMAGIC(coreseg) != CORESEGMAGIC) { - bfd_set_error(bfd_error_wrong_format); - goto punt; - } - - offset += core.c_seghdrsize; - - asect = (asection *) bfd_zalloc (abfd, sizeof (asection)); - if (asect == NULL) { - bfd_set_error(bfd_error_no_memory); - goto punt; - } - - asect->_raw_size = coreseg.c_size; - asect->vma = coreseg.c_addr; - asect->filepos = offset; - asect->alignment_power = 2; - asect->next = abfd->sections; - abfd->sections = asect; - abfd->section_count++; - offset += coreseg.c_size; - - switch (CORE_GETFLAG(coreseg)) { - case CORE_CPU: - asect->name = ".reg"; - asect->flags = SEC_ALLOC + SEC_HAS_CONTENTS; + asect->_raw_size = coreseg.c_size; + asect->vma = coreseg.c_addr; + asect->filepos = offset; + asect->alignment_power = 2; + asect->next = abfd->sections; + abfd->sections = asect; + abfd->section_count++; + offset += coreseg.c_size; + + switch (CORE_GETFLAG(coreseg)) + { + case CORE_CPU: + asect->name = ".reg"; + asect->flags = SEC_ALLOC + SEC_HAS_CONTENTS; #ifdef CORE_FPU_OFFSET - /* Hackish... */ - asect->_raw_size = CORE_FPU_OFFSET; - asect2 = (asection *)bfd_zalloc (abfd, - sizeof (asection)); - if (asect2 == NULL) { - bfd_set_error(bfd_error_no_memory); - goto punt; - } - asect2->_raw_size = coreseg.c_size - CORE_FPU_OFFSET; - asect2->vma = 0; - asect2->filepos = asect->filepos + CORE_FPU_OFFSET; - asect2->alignment_power = 2; - asect2->next = abfd->sections; - asect2->name = ".reg2"; - asect2->flags = SEC_ALLOC + SEC_HAS_CONTENTS; - abfd->sections = asect2; - abfd->section_count++; + /* Hackish... */ + asect->_raw_size = CORE_FPU_OFFSET; + amt = sizeof (asection); + asect2 = (asection *) bfd_zalloc (abfd, amt); + if (asect2 == NULL) + { + bfd_set_error (bfd_error_no_memory); + goto punt; + } + asect2->_raw_size = coreseg.c_size - CORE_FPU_OFFSET; + asect2->vma = 0; + asect2->filepos = asect->filepos + CORE_FPU_OFFSET; + asect2->alignment_power = 2; + asect2->next = abfd->sections; + asect2->name = ".reg2"; + asect2->flags = SEC_ALLOC + SEC_HAS_CONTENTS; + abfd->sections = asect2; + abfd->section_count++; #endif - break; - case CORE_DATA: - asect->name = ".data"; - asect->flags = SEC_ALLOC+SEC_LOAD+SEC_HAS_CONTENTS; - break; - case CORE_STACK: - asect->name = ".stack"; - asect->flags = SEC_ALLOC+SEC_LOAD+SEC_HAS_CONTENTS; - break; - } + break; + case CORE_DATA: + asect->name = ".data"; + asect->flags = SEC_ALLOC+SEC_LOAD+SEC_HAS_CONTENTS; + break; + case CORE_STACK: + asect->name = ".stack"; + asect->flags = SEC_ALLOC+SEC_LOAD+SEC_HAS_CONTENTS; + break; } + } - /* OK, we believe you. You're a core file (sure, sure). */ - return abfd->xvec; + /* OK, we believe you. You're a core file (sure, sure). */ + return abfd->xvec; -punt: { - asection *anext; - for (asect = abfd->sections; asect; asect = anext) { - anext = asect->next; - free((void *)asect); - } - } - free ((void *)rawptr); - abfd->tdata.netbsd_core_data = NULL; - abfd->sections = NULL; - abfd->section_count = 0; - return 0; + punt: + { + asection *anext; + for (asect = abfd->sections; asect; asect = anext) + { + anext = asect->next; + free ((void *) asect); + } + } + + free ((void *) rawptr); + abfd->tdata.netbsd_core_data = NULL; + abfd->sections = NULL; + abfd->section_count = 0; + return 0; } static char* @@ -187,7 +202,8 @@ netbsd_core_file_failing_signal (abfd) /* ARGSUSED */ static boolean netbsd_core_file_matches_executable_p (core_bfd, exec_bfd) - bfd *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 */ } |