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file/file-5.42.dif
Dirk Mueller 2f9edeb10a - update to 5.43: 
* Add octal indirect magic
  * avoid infinite loop in non-wide code 
  * Obey MAGIC_CONTINUE with multiple magic files
  * Fix bug with large flist
  * PR/364: Detect non-nul-terminated core filenames from QEMU
  * PR/359: Add support for http://ndjson.org/ 
  * PR/362: Fix wide printing 
  * PR/358: Fix width for -f -
- drop file-boo1201350.patch (upstream)

OBS-URL: https://build.opensuse.org/package/show/Base:System/file?expand=0&rev=254
2022-09-13 20:12:04 +00:00

615 lines
18 KiB
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Raw Blame History

---
magic/Magdir/elf | 2
magic/Magdir/linux | 36 +++++----
magic/Magdir/msad | 5 +
magic/Magdir/msdos | 6 -
magic/Makefile.am | 63 +++++++++-------
magic/Makefile.in | 60 +++++++++------
src/Makefile.am | 2
src/dcore.c | 207 +++++++++++++++++++++++++++++++++++++++++++++++++++++
8 files changed, 313 insertions(+), 68 deletions(-)
Index: magic/Magdir/elf
===================================================================
--- magic/Magdir/elf.orig
+++ magic/Magdir/elf
@@ -152,7 +152,7 @@
>18 leshort 47 Renesas H8/300H,
>18 leshort 48 Renesas H8S,
>18 leshort 49 Renesas H8/500,
->18 leshort 50 IA-64,
+>18 leshort 50 IA-64 (Intel 64 bit architecture),
>18 leshort 51 Stanford MIPS-X,
>18 leshort 52 Motorola Coldfire,
>18 leshort 53 Motorola M68HC12,
Index: magic/Magdir/linux
===================================================================
--- magic/Magdir/linux.orig
+++ magic/Magdir/linux
@@ -140,27 +140,31 @@
# All known start with: b8 c0 07 8e d8 b8 00 90 8e c0 b9 00 01 29 f6 29
# Linux kernel boot images (i386 arch) (Wolfram Kleff)
# URL: https://www.kernel.org/doc/Documentation/x86/boot.txt
-514 string HdrS Linux kernel
+514 string HdrS Linux
!:strength + 55
# often no extension like in linux, vmlinuz, bzimage or memdisk but sometimes
# Acronis Recovery kernel64.dat and Plop Boot Manager plpbtrom.bin
# DamnSmallLinux 1.5 damnsmll.lnx
!:ext /dat/bin/lnx
->510 leshort 0xAA55 x86 boot executable
->>518 leshort >0x1ff
->>>529 byte 0 zImage,
->>>529 byte 1 bzImage,
->>>526 lelong >0
->>>>(526.s+0x200) string >\0 version %s,
->>498 leshort 1 RO-rootFS,
->>498 leshort 0 RW-rootFS,
->>508 leshort >0 root_dev %#X,
->>502 leshort >0 swap_dev %#X,
->>504 leshort >0 RAMdisksize %u KB,
->>506 leshort 0xFFFF Normal VGA
->>506 leshort 0xFFFE Extended VGA
->>506 leshort 0xFFFD Prompt for Videomode
->>506 leshort >0 Video mode %d
+>510 leshort 0xAA55 \b/x86 Kernel
+>510 leshort <0xAA55 Kernel
+>510 leshort >0xAA55 Kernel
+>518 leshort 0x0105 \b, Setup Version 0x105, zImage
+>518 leshort >0x0105 \b, Setup Version %#x
+>518 leshort >0x1ff
+>>529 byte 0 \b, zImage
+>>529 byte 1 \b, bzImage
+>>526 lelong >0
+>>>(526.s+0x200) string >\0 \b, Version %s
+>>498 leshort 1 \b, RO-rootFS
+>>498 leshort 0 \b, RW-rootFS
+>>508 leshort >0 \b, root_dev %#X
+>>502 leshort >0 \b, swap_dev %#X
+>>504 leshort >0 \b, RAMdisksize %u KB
+>>506 leshort 0xFFFF \b, Normal VGA
+>>506 leshort 0xFFFE \b, Extended VGA
+>>506 leshort 0xFFFD \b, Prompt for Videomode
+>>506 leshort >0 \b, Video mode %d
# This also matches new kernels, which were caught above by "HdrS".
0 belong 0xb8c0078e Linux kernel
>0x1e3 string Loading version 1.3.79 or older
Index: magic/Magdir/msad
===================================================================
--- /dev/null
+++ magic/Magdir/msad
@@ -0,0 +1,5 @@
+#------------------------------------------------------------------------------
+# msad: file(1) magic for msad
+# Microsoft visual C
+# This must precede the heuristic for raw G3 data
+4 string Standard\ Jet\ DB Microsoft Access Database
Index: magic/Magdir/msdos
===================================================================
--- magic/Magdir/msdos.orig
+++ magic/Magdir/msdos
@@ -145,9 +145,9 @@
>>(0x3c.l+22) leshort&0x0200 >0 (stripped to external PDB)
>>(0x3c.l+22) leshort&0x1000 >0 system file
>>(0x3c.l+24) leshort 0x010b
->>>(0x3c.l+232) lelong >0 Mono/.Net assembly
+>>>(0x3c.l+232) lelong >0 \b, Mono/.Net assembly
>>(0x3c.l+24) leshort 0x020b
->>>(0x3c.l+248) lelong >0 Mono/.Net assembly
+>>>(0x3c.l+248) lelong >0 \b, Mono/.Net assembly
# hooray, there's a DOS extender using the PE format, with a valid PE
# executable inside (which just prints a message and exits if run in win)
@@ -750,7 +750,7 @@
>1 leshort <-259
# that offset must be accessible
# add 10000h to jump at end of 64 KiB segment, add 1 for jump instruction and 2 for 16-bit offset
->>(1,s+65539) byte x
+>>(1.s+65539) byte x
# after jump next instruction for DEBUGGING!
#>>>&-1 ubelong x \b, NEXT instruction %#8.8x
>>>0 use msdos-com
Index: magic/Makefile.am
===================================================================
--- magic/Makefile.am.orig
+++ magic/Makefile.am
@@ -5,7 +5,7 @@ MAGIC_FRAGMENT_BASE = Magdir
MAGIC_DIR = $(top_srcdir)/magic
MAGIC_FRAGMENT_DIR = $(MAGIC_DIR)/$(MAGIC_FRAGMENT_BASE)
-pkgdata_DATA = magic.mgc
+pkgdata_DATA = magic.mgc magic
MAGIC_FRAGMENTS = \
$(MAGIC_DIR)/Header \
@@ -24,7 +24,6 @@ $(MAGIC_FRAGMENT_DIR)/animation \
$(MAGIC_FRAGMENT_DIR)/aout \
$(MAGIC_FRAGMENT_DIR)/apache \
$(MAGIC_FRAGMENT_DIR)/apl \
-$(MAGIC_FRAGMENT_DIR)/apple \
$(MAGIC_FRAGMENT_DIR)/application \
$(MAGIC_FRAGMENT_DIR)/applix \
$(MAGIC_FRAGMENT_DIR)/apt \
@@ -106,7 +105,6 @@ $(MAGIC_FRAGMENT_DIR)/erlang \
$(MAGIC_FRAGMENT_DIR)/espressif \
$(MAGIC_FRAGMENT_DIR)/esri \
$(MAGIC_FRAGMENT_DIR)/fcs \
-$(MAGIC_FRAGMENT_DIR)/filesystems \
$(MAGIC_FRAGMENT_DIR)/finger \
$(MAGIC_FRAGMENT_DIR)/flash \
$(MAGIC_FRAGMENT_DIR)/flif \
@@ -152,6 +150,8 @@ $(MAGIC_FRAGMENT_DIR)/isz \
$(MAGIC_FRAGMENT_DIR)/java \
$(MAGIC_FRAGMENT_DIR)/javascript \
$(MAGIC_FRAGMENT_DIR)/jpeg \
+$(MAGIC_FRAGMENT_DIR)/linux \
+$(MAGIC_FRAGMENT_DIR)/filesystems \
$(MAGIC_FRAGMENT_DIR)/karma \
$(MAGIC_FRAGMENT_DIR)/kde \
$(MAGIC_FRAGMENT_DIR)/keepass \
@@ -162,7 +162,6 @@ $(MAGIC_FRAGMENT_DIR)/lammps \
$(MAGIC_FRAGMENT_DIR)/lecter \
$(MAGIC_FRAGMENT_DIR)/lex \
$(MAGIC_FRAGMENT_DIR)/lif \
-$(MAGIC_FRAGMENT_DIR)/linux \
$(MAGIC_FRAGMENT_DIR)/lisp \
$(MAGIC_FRAGMENT_DIR)/llvm \
$(MAGIC_FRAGMENT_DIR)/locoscript \
@@ -170,7 +169,6 @@ $(MAGIC_FRAGMENT_DIR)/lua \
$(MAGIC_FRAGMENT_DIR)/luks \
$(MAGIC_FRAGMENT_DIR)/m4 \
$(MAGIC_FRAGMENT_DIR)/mach \
-$(MAGIC_FRAGMENT_DIR)/macintosh \
$(MAGIC_FRAGMENT_DIR)/macos \
$(MAGIC_FRAGMENT_DIR)/magic \
$(MAGIC_FRAGMENT_DIR)/mail.news \
@@ -194,11 +192,11 @@ $(MAGIC_FRAGMENT_DIR)/misctools \
$(MAGIC_FRAGMENT_DIR)/mkid \
$(MAGIC_FRAGMENT_DIR)/mlssa \
$(MAGIC_FRAGMENT_DIR)/mmdf \
-$(MAGIC_FRAGMENT_DIR)/modem \
$(MAGIC_FRAGMENT_DIR)/modulefile \
$(MAGIC_FRAGMENT_DIR)/motorola \
$(MAGIC_FRAGMENT_DIR)/mozilla \
$(MAGIC_FRAGMENT_DIR)/msdos \
+$(MAGIC_FRAGMENT_DIR)/modem \
$(MAGIC_FRAGMENT_DIR)/msooxml \
$(MAGIC_FRAGMENT_DIR)/msvc \
$(MAGIC_FRAGMENT_DIR)/msx \
@@ -261,6 +259,8 @@ $(MAGIC_FRAGMENT_DIR)/qt \
$(MAGIC_FRAGMENT_DIR)/revision \
$(MAGIC_FRAGMENT_DIR)/ringdove \
$(MAGIC_FRAGMENT_DIR)/riff \
+$(MAGIC_FRAGMENT_DIR)/apple \
+$(MAGIC_FRAGMENT_DIR)/macintosh \
$(MAGIC_FRAGMENT_DIR)/rpi \
$(MAGIC_FRAGMENT_DIR)/rpm \
$(MAGIC_FRAGMENT_DIR)/rpmsg \
@@ -351,9 +351,21 @@ EXTRA_DIST = \
$(MAGIC_DIR)/scripts/create_filemagic_flac \
$(MAGIC_FRAGMENTS)
-
+RAW = magic
MAGIC = magic.mgc
-CLEANFILES = ${MAGIC} $(MAGIC_FRAGMENT_DIR)/Localstuff
+CLEANFILES = ${MAGIC} $(MAGIC_FRAGMENT_DIR)/Localstuff ${RAW}
+
+${RAW}: $(MAGIC_DIR)/Header $(MAGIC_DIR)/Localstuff $(MAGIC_FRAGMENTS)
+ cat /dev/null > $@
+ for frag in $(MAGIC_FRAGMENTS); do \
+ if test -f $(srcdir)/$$frag; then \
+ f=$(srcdir)/$$frag; \
+ else \
+ f=$$frag; \
+ fi; \
+ cat $$f; \
+ done >> $@
+
# FIXME: Build file natively as well so that it can be used to compile
# the target's magic file; for now we bail if the local version does not match
@@ -365,19 +377,22 @@ FILE_COMPILE = $(top_builddir)/src/file$
FILE_COMPILE_DEP = $(FILE_COMPILE)
endif
-${MAGIC}: $(MAGIC_FRAGMENTS) $(FILE_COMPILE_DEP)
- @rm -fr magic
- @mkdir magic && cp -p $(MAGIC_FRAGMENTS) magic
- @(if expr "${FILE_COMPILE}" : '.*/.*' > /dev/null; then \
- echo "Using ${FILE_COMPILE} to generate ${MAGIC}" > /dev/null; \
- else \
- v=$$(${FILE_COMPILE} --version | sed -e s/file-// -e q); \
- if [ "$$v" != "${PACKAGE_VERSION}" ]; then \
- echo "Cannot use the installed version of file ($$v) to"; \
- echo "cross-compile file ${PACKAGE_VERSION}"; \
- echo "Please install file ${PACKAGE_VERSION} locally first"; \
- exit 1; \
- fi; \
- fi)
- $(FILE_COMPILE) -C -m magic
- @rm -fr magic
+${MAGIC}: $(MAGIC_FRAGMENTS) $(FILE_COMPILE_DEP) $(RAW)
+ $(FILE_COMPILE) -C -m $(RAW)
+
+#${MAGIC}: $(MAGIC_FRAGMENTS) $(FILE_COMPILE_DEP)
+# @rm -fr magic
+# @mkdir magic && cp -p $(MAGIC_FRAGMENTS) magic
+# @(if expr "${FILE_COMPILE}" : '.*/.*' > /dev/null; then \
+# echo "Using ${FILE_COMPILE} to generate ${MAGIC}" > /dev/null; \
+# else \
+# v=$$(${FILE_COMPILE} --version | sed -e s/file-// -e q); \
+# if [ "$$v" != "${PACKAGE_VERSION}" ]; then \
+# echo "Cannot use the installed version of file ($$v) to"; \
+# echo "cross-compile file ${PACKAGE_VERSION}"; \
+# echo "Please install file ${PACKAGE_VERSION} locally first"; \
+# exit 1; \
+# fi; \
+# fi)
+# $(FILE_COMPILE) -C -m magic
+# @rm -fr magic
Index: magic/Makefile.in
===================================================================
--- magic/Makefile.in.orig
+++ magic/Makefile.in
@@ -283,7 +283,7 @@ top_srcdir = @top_srcdir@
MAGIC_FRAGMENT_BASE = Magdir
MAGIC_DIR = $(top_srcdir)/magic
MAGIC_FRAGMENT_DIR = $(MAGIC_DIR)/$(MAGIC_FRAGMENT_BASE)
-pkgdata_DATA = magic.mgc
+pkgdata_DATA = magic.mgc magic
MAGIC_FRAGMENTS = \
$(MAGIC_DIR)/Header \
$(MAGIC_DIR)/Localstuff \
@@ -301,7 +301,6 @@ $(MAGIC_FRAGMENT_DIR)/animation \
$(MAGIC_FRAGMENT_DIR)/aout \
$(MAGIC_FRAGMENT_DIR)/apache \
$(MAGIC_FRAGMENT_DIR)/apl \
-$(MAGIC_FRAGMENT_DIR)/apple \
$(MAGIC_FRAGMENT_DIR)/application \
$(MAGIC_FRAGMENT_DIR)/applix \
$(MAGIC_FRAGMENT_DIR)/apt \
@@ -383,7 +382,6 @@ $(MAGIC_FRAGMENT_DIR)/erlang \
$(MAGIC_FRAGMENT_DIR)/espressif \
$(MAGIC_FRAGMENT_DIR)/esri \
$(MAGIC_FRAGMENT_DIR)/fcs \
-$(MAGIC_FRAGMENT_DIR)/filesystems \
$(MAGIC_FRAGMENT_DIR)/finger \
$(MAGIC_FRAGMENT_DIR)/flash \
$(MAGIC_FRAGMENT_DIR)/flif \
@@ -429,6 +427,8 @@ $(MAGIC_FRAGMENT_DIR)/isz \
$(MAGIC_FRAGMENT_DIR)/java \
$(MAGIC_FRAGMENT_DIR)/javascript \
$(MAGIC_FRAGMENT_DIR)/jpeg \
+$(MAGIC_FRAGMENT_DIR)/linux \
+$(MAGIC_FRAGMENT_DIR)/filesystems \
$(MAGIC_FRAGMENT_DIR)/karma \
$(MAGIC_FRAGMENT_DIR)/kde \
$(MAGIC_FRAGMENT_DIR)/keepass \
@@ -439,7 +439,6 @@ $(MAGIC_FRAGMENT_DIR)/lammps \
$(MAGIC_FRAGMENT_DIR)/lecter \
$(MAGIC_FRAGMENT_DIR)/lex \
$(MAGIC_FRAGMENT_DIR)/lif \
-$(MAGIC_FRAGMENT_DIR)/linux \
$(MAGIC_FRAGMENT_DIR)/lisp \
$(MAGIC_FRAGMENT_DIR)/llvm \
$(MAGIC_FRAGMENT_DIR)/locoscript \
@@ -447,7 +446,6 @@ $(MAGIC_FRAGMENT_DIR)/lua \
$(MAGIC_FRAGMENT_DIR)/luks \
$(MAGIC_FRAGMENT_DIR)/m4 \
$(MAGIC_FRAGMENT_DIR)/mach \
-$(MAGIC_FRAGMENT_DIR)/macintosh \
$(MAGIC_FRAGMENT_DIR)/macos \
$(MAGIC_FRAGMENT_DIR)/magic \
$(MAGIC_FRAGMENT_DIR)/mail.news \
@@ -471,11 +469,11 @@ $(MAGIC_FRAGMENT_DIR)/misctools \
$(MAGIC_FRAGMENT_DIR)/mkid \
$(MAGIC_FRAGMENT_DIR)/mlssa \
$(MAGIC_FRAGMENT_DIR)/mmdf \
-$(MAGIC_FRAGMENT_DIR)/modem \
$(MAGIC_FRAGMENT_DIR)/modulefile \
$(MAGIC_FRAGMENT_DIR)/motorola \
$(MAGIC_FRAGMENT_DIR)/mozilla \
$(MAGIC_FRAGMENT_DIR)/msdos \
+$(MAGIC_FRAGMENT_DIR)/modem \
$(MAGIC_FRAGMENT_DIR)/msooxml \
$(MAGIC_FRAGMENT_DIR)/msvc \
$(MAGIC_FRAGMENT_DIR)/msx \
@@ -538,6 +536,8 @@ $(MAGIC_FRAGMENT_DIR)/qt \
$(MAGIC_FRAGMENT_DIR)/revision \
$(MAGIC_FRAGMENT_DIR)/ringdove \
$(MAGIC_FRAGMENT_DIR)/riff \
+$(MAGIC_FRAGMENT_DIR)/apple \
+$(MAGIC_FRAGMENT_DIR)/macintosh \
$(MAGIC_FRAGMENT_DIR)/rpi \
$(MAGIC_FRAGMENT_DIR)/rpm \
$(MAGIC_FRAGMENT_DIR)/rpmsg \
@@ -628,10 +628,22 @@ EXTRA_DIST = \
$(MAGIC_DIR)/scripts/create_filemagic_flac \
$(MAGIC_FRAGMENTS)
+RAW = magic
MAGIC = magic.mgc
-CLEANFILES = ${MAGIC} $(MAGIC_FRAGMENT_DIR)/Localstuff
+CLEANFILES = ${MAGIC} $(MAGIC_FRAGMENT_DIR)/Localstuff ${RAW}
@IS_CROSS_COMPILE_FALSE@FILE_COMPILE = $(top_builddir)/src/file${EXEEXT}
+${RAW}: $(MAGIC_DIR)/Header $(MAGIC_DIR)/Localstuff $(MAGIC_FRAGMENTS)
+ cat /dev/null > $@
+ for frag in $(MAGIC_FRAGMENTS); do \
+ if test -f $(srcdir)/$$frag; then \
+ f=$(srcdir)/$$frag; \
+ else \
+ f=$$frag; \
+ fi; \
+ cat $$f; \
+ done >> $@
+
# FIXME: Build file natively as well so that it can be used to compile
# the target's magic file; for now we bail if the local version does not match
@IS_CROSS_COMPILE_TRUE@FILE_COMPILE = file${EXEEXT}
@@ -855,23 +867,25 @@ uninstall-am: uninstall-pkgdataDATA
.PRECIOUS: Makefile
+${MAGIC}: $(MAGIC_FRAGMENTS) $(FILE_COMPILE_DEP) $(RAW)
+ $(FILE_COMPILE) -C -m $(RAW)
-${MAGIC}: $(MAGIC_FRAGMENTS) $(FILE_COMPILE_DEP)
- @rm -fr magic
- @mkdir magic && cp -p $(MAGIC_FRAGMENTS) magic
- @(if expr "${FILE_COMPILE}" : '.*/.*' > /dev/null; then \
- echo "Using ${FILE_COMPILE} to generate ${MAGIC}" > /dev/null; \
- else \
- v=$$(${FILE_COMPILE} --version | sed -e s/file-// -e q); \
- if [ "$$v" != "${PACKAGE_VERSION}" ]; then \
- echo "Cannot use the installed version of file ($$v) to"; \
- echo "cross-compile file ${PACKAGE_VERSION}"; \
- echo "Please install file ${PACKAGE_VERSION} locally first"; \
- exit 1; \
- fi; \
- fi)
- $(FILE_COMPILE) -C -m magic
- @rm -fr magic
+#${MAGIC}: $(MAGIC_FRAGMENTS) $(FILE_COMPILE_DEP)
+# @rm -fr magic
+# @mkdir magic && cp -p $(MAGIC_FRAGMENTS) magic
+# @(if expr "${FILE_COMPILE}" : '.*/.*' > /dev/null; then \
+# echo "Using ${FILE_COMPILE} to generate ${MAGIC}" > /dev/null; \
+# else \
+# v=$$(${FILE_COMPILE} --version | sed -e s/file-// -e q); \
+# if [ "$$v" != "${PACKAGE_VERSION}" ]; then \
+# echo "Cannot use the installed version of file ($$v) to"; \
+# echo "cross-compile file ${PACKAGE_VERSION}"; \
+# echo "Please install file ${PACKAGE_VERSION} locally first"; \
+# exit 1; \
+# fi; \
+# fi)
+# $(FILE_COMPILE) -C -m magic
+# @rm -fr magic
# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
Index: src/Makefile.am
===================================================================
--- src/Makefile.am.orig
+++ src/Makefile.am
@@ -1,4 +1,4 @@
-MAGIC = $(pkgdatadir)/magic
+MAGIC = $(sysconfdir)/magic:$(pkgdatadir)/magic
lib_LTLIBRARIES = libmagic.la
nodist_include_HEADERS = magic.h
Index: src/dcore.c
===================================================================
--- /dev/null
+++ src/dcore.c
@@ -0,0 +1,207 @@
+/*
+ * Show goo about ELF core files
+ * Jeremy Fitzhardinge <jeremy@zip.com.au> 1996
+ */
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <string.h>
+#if defined __GLIBC__ && __GLIBC__ >= 2
+#include <elf.h>
+#include <sys/procfs.h>
+# ifndef NT_PRFPREG
+# define NT_PRFPREG 2
+# endif
+# ifndef NT_TASKSTRUCT
+# define NT_TASKSTRUCT 4
+# endif
+#else
+#include <linux/elf.h>
+#include <linux/elfcore.h>
+#endif
+
+static void fperror(const char *str)
+{
+ perror(str);
+ exit(1);
+}
+
+static size_t myread(int fd, void *buf, size_t sz)
+{
+ size_t ret;
+
+ if ((ret = read(fd, buf, sz)) != sz)
+ fperror("read failed");
+ return ret;
+}
+
+static void print_prstatus(const prstatus_t *pr)
+{
+ unsigned i;
+ static const char *regs[] = { "ebx", "ecx", "edx", "esi", "edi", "ebp",
+ "eax", "ds", "es", "fs", "gs",
+ "orig_eax", "eip", "cs",
+ "efl", "uesp", "ss"};
+
+ printf(" pid=%d ppid=%d pgrp=%d sid=%d\n",
+ pr->pr_pid, pr->pr_ppid, pr->pr_pgrp, pr->pr_sid);
+ for(i = 0; i < NGREG; i++)
+ {
+ unsigned long val = pr->pr_reg[i];
+ printf(" %-2u %-5s=%08lx %lu\n", i, regs[i], val, val);
+ }
+}
+
+static void print_prpsinfo(const prpsinfo_t *ps)
+{
+ printf(" uid=%d gid=%d\n", ps->pr_uid, ps->pr_gid);
+ printf(" comm=%s\n", ps->pr_fname);
+ printf(" psargs=%s\n", ps->pr_psargs);
+}
+
+#define roundup(x, y) ((((x)+((y)-1))/(y))*(y))
+
+static void do_note(int fd, Elf32_Phdr *phdr)
+{
+ off_t here = lseek(fd, 0, SEEK_CUR);
+ int size = phdr->p_filesz;
+ char *raw = alloca(size), *end;
+ end = raw+size;
+
+ lseek(fd, phdr->p_offset, SEEK_SET);
+ myread(fd, raw, size);
+
+ while(raw < end)
+ {
+ Elf32_Nhdr *note = (Elf32_Nhdr *)raw;
+ const char *str;
+ const char *name, *desc;
+
+ raw += sizeof(*note);
+ name = raw;
+ raw += roundup(note->n_namesz, sizeof(long));
+ desc = raw;
+ raw += roundup(note->n_descsz, sizeof(long));
+
+ printf(" name=%.*s", (int)note->n_namesz, name);
+
+ if(strncmp(name, "CORE", note->n_namesz) != 0)
+ {
+ printf("\n");
+ continue;
+ }
+
+ switch(note->n_type)
+ {
+#define X(x) case x: str = #x; break;
+ X(NT_PRSTATUS);
+ X(NT_PRFPREG);
+ X(NT_PRPSINFO);
+ X(NT_TASKSTRUCT);
+#undef X
+ default:
+ str = "???";
+ }
+ printf(" n_type=%s n_descsz=%ld\n",
+ str, note->n_descsz);
+ switch(note->n_type)
+ {
+ case NT_PRSTATUS:
+ print_prstatus((prstatus_t *)desc);
+ break;
+ case NT_PRPSINFO:
+ print_prpsinfo((prpsinfo_t *)desc);
+ break;
+ }
+ }
+ lseek(fd, here, SEEK_SET);
+}
+
+int main(int argc, char *argv[])
+{
+ int fd;
+ Elf32_Ehdr elf;
+ int i;
+
+ if (argc != 2)
+ {
+ fprintf(stderr, "Usage: %s corefile\n", argv[0]);
+ exit(1);
+ }
+
+ if ((fd = open(argv[1], O_RDONLY)) == -1)
+ fperror("open of core");
+
+ myread(fd, &elf, sizeof(elf));
+
+ if (memcmp(ELFMAG, elf.e_ident, SELFMAG) != 0)
+ printf("bad magic\n");
+
+ if (elf.e_ident[EI_CLASS] != ELFCLASS32)
+ printf("wrong class\n");
+
+ if (elf.e_ident[EI_DATA] != ELFDATA2LSB)
+ printf("wrong endianess\n");
+
+ if (elf.e_ident[EI_VERSION] != EV_CURRENT)
+ printf("wrong version\n");
+
+ {
+ const char *str;
+ switch(elf.e_type)
+ {
+#define C(x) case ET_##x: str = #x; break;
+ C(NONE);
+ C(REL);
+ C(EXEC);
+ C(DYN);
+ C(CORE);
+#undef C
+ default: str = "???"; break;
+ }
+ printf("elf file type ET_%s\n", str);
+ }
+
+ if (elf.e_machine != EM_386 && elf.e_machine != EM_486)
+ printf("not i386 or i486\n");
+
+ if (elf.e_ehsize != sizeof(elf))
+ printf("wrong header size\n");
+
+ if (elf.e_phentsize != sizeof(Elf32_Phdr))
+ printf("wrong phdr size\n");
+
+ if (lseek(fd, elf.e_phoff, SEEK_SET) != (off_t)elf.e_phoff)
+ fperror("lseek to phdr failed\n");
+
+ for(i = 0; i < elf.e_phnum; i++)
+ {
+ Elf32_Phdr phdr;
+ const char *str;
+
+ myread(fd, &phdr, sizeof(phdr));
+ switch(phdr.p_type)
+ {
+#define C(x) case PT_##x: str = #x; break;
+ C(NULL);
+ C(LOAD);
+ C(DYNAMIC);
+ C(INTERP);
+ C(NOTE);
+ C(SHLIB);
+ C(PHDR);
+#undef C
+ default:
+ str = "???"; break;
+ }
+ printf("type PT_%s off=%ld vaddr=%lx filesz=%ld flags=%lx\n",
+ str, phdr.p_offset, phdr.p_vaddr, phdr.p_filesz,
+ (unsigned long)phdr.p_flags);
+ if (phdr.p_type == PT_NOTE)
+ do_note(fd, &phdr);
+ }
+ exit(0);
+}
+
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