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authorH.J. Lu <hjl.tools@gmail.com>2010-04-10 22:21:31 +0000
committerH.J. Lu <hjl.tools@gmail.com>2010-04-10 22:21:31 +0000
commit8bc7f13859ce8eec0e30e27d7dc854a1fef0c04a (patch)
tree254231ffcc7d9010b3dcf58542de732dbf3134bf
parent092d84761e7d020e4ff3a9eeea83cc5e90c2ff36 (diff)
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Support 32bit core note sections on Linux/x86-64.
2010-04-10 H.J. Lu <hongjiu.lu@intel.com> PR corefiles/11467 * configure.in (CORE_HEADER): New. Set to hosts/x86-64linux.h for x86_64-*-linux*. * config.in: Regenerated. * configure: Likewise. * elf.c: Include CORE_HEADER if it is defined. 2010-04-10 H.J. Lu <hongjiu.lu@intel.com> Jan Kratochvil <jan.kratochvil@redhat.com> * hosts/x86-64linux.h: New.
-rw-r--r--bfd/ChangeLog15
-rw-r--r--bfd/config.in3
-rwxr-xr-xbfd/configure11
-rw-r--r--bfd/configure.in8
-rw-r--r--bfd/elf.c4
-rw-r--r--bfd/hosts/x86-64linux.h192
6 files changed, 233 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 55aeba2..c1872c9 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,18 @@
+2010-04-10 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR corefiles/11467
+ * configure.in (CORE_HEADER): New. Set to hosts/x86-64linux.h
+ for x86_64-*-linux*.
+ * config.in: Regenerated.
+ * configure: Likewise.
+
+ * elf.c: Include CORE_HEADER if it is defined.
+
+2010-04-10 H.J. Lu <hongjiu.lu@intel.com>
+ Jan Kratochvil <jan.kratochvil@redhat.com>
+
+ * hosts/x86-64linux.h: New.
+
2010-04-09 Nick Clifton <nickc@redhat.com>
* aoutx.h (aout_link_input_bfd): Remove unused variable sym_count.
diff --git a/bfd/config.in b/bfd/config.in
index 5881b8d..065c905 100644
--- a/bfd/config.in
+++ b/bfd/config.in
@@ -1,5 +1,8 @@
/* config.in. Generated from configure.in by autoheader. */
+/* Name of host specific core header file to include in elf.c. */
+#undef CORE_HEADER
+
/* Define to 1 if translation of program messages to the user's native
language is requested. */
#undef ENABLE_NLS
diff --git a/bfd/configure b/bfd/configure
index f4aba27..928f984 100755
--- a/bfd/configure
+++ b/bfd/configure
@@ -13810,6 +13810,7 @@ fi
# If we are configured native, pick a core file support file.
COREFILE=
COREFLAG=
+CORE_HEADER=
TRAD_HEADER=
if test "${target}" = "${host}"; then
case "${host}" in
@@ -14034,6 +14035,9 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
COREFILE=trad-core.lo
TRAD_HEADER='"hosts/vaxbsd.h"'
;;
+ x86_64-*-linux*)
+ CORE_HEADER='"hosts/x86-64linux.h"'
+ ;;
x86_64-*-netbsd* | x86_64-*-openbsd*)
COREFILE=netbsd-core.lo
;;
@@ -14701,6 +14705,13 @@ $as_echo "$bfd_cv_have_sys_procfs_type_win32_pstatus_t" >&6; }
fi
+if test -n "$CORE_HEADER"; then
+
+cat >>confdefs.h <<_ACEOF
+#define CORE_HEADER $CORE_HEADER
+_ACEOF
+
+fi
if test -n "$TRAD_HEADER"; then
cat >>confdefs.h <<_ACEOF
diff --git a/bfd/configure.in b/bfd/configure.in
index dfbd0a2..28d5bdd 100644
--- a/bfd/configure.in
+++ b/bfd/configure.in
@@ -211,6 +211,7 @@ AM_ZLIB
# If we are configured native, pick a core file support file.
COREFILE=
COREFLAG=
+CORE_HEADER=
TRAD_HEADER=
if test "${target}" = "${host}"; then
case "${host}" in
@@ -443,6 +444,9 @@ changequote([,])dnl
COREFILE=trad-core.lo
TRAD_HEADER='"hosts/vaxbsd.h"'
;;
+ x86_64-*-linux*)
+ CORE_HEADER='"hosts/x86-64linux.h"'
+ ;;
x86_64-*-netbsd* | x86_64-*-openbsd*)
COREFILE=netbsd-core.lo
;;
@@ -487,6 +491,10 @@ changequote([,])dnl
fi
AC_SUBST(COREFILE)
AC_SUBST(COREFLAG)
+if test -n "$CORE_HEADER"; then
+ AC_DEFINE_UNQUOTED(CORE_HEADER, $CORE_HEADER,
+ [Name of host specific core header file to include in elf.c.])
+fi
if test -n "$TRAD_HEADER"; then
AC_DEFINE_UNQUOTED(TRAD_HEADER, $TRAD_HEADER,
[Name of host specific header file to include in trad-core.c.])
diff --git a/bfd/elf.c b/bfd/elf.c
index 8f8bd61..bcd238d 100644
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -45,6 +45,10 @@ SECTION
#include "libiberty.h"
#include "safe-ctype.h"
+#ifdef CORE_HEADER
+#include CORE_HEADER
+#endif
+
static int elf_sort_sections (const void *, const void *);
static bfd_boolean assign_file_positions_except_relocs (bfd *, struct bfd_link_info *);
static bfd_boolean prep_headers (bfd *);
diff --git a/bfd/hosts/x86-64linux.h b/bfd/hosts/x86-64linux.h
new file mode 100644
index 0000000..fdf17f1
--- /dev/null
+++ b/bfd/hosts/x86-64linux.h
@@ -0,0 +1,192 @@
+/* Copyright (C) 2006 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+/* This is somewhat modelled after the file of the same name on SVR4
+ systems. It provides a definition of the core file format for ELF
+ used on Linux. It doesn't have anything to do with the /proc file
+ system, even though Linux has one.
+
+ Anyway, the whole purpose of this file is for GDB and GDB only.
+ Don't read too much into it. Don't use it for anything other than
+ GDB unless you know what you are doing. */
+
+#include <features.h>
+#include <sys/time.h>
+#include <sys/types.h>
+
+/* We define here only the symbols differing from their 64-bit variant. */
+#include <sys/procfs.h>
+
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#else
+typedef unsigned int uint32_t;
+#endif
+
+#define HAVE_PRPSINFO32_T
+#define HAVE_PRSTATUS32_T
+
+/* These are the 32-bit x86 structures. */
+
+struct user_fpregs32_struct
+{
+ int32_t cwd;
+ int32_t swd;
+ int32_t twd;
+ int32_t fip;
+ int32_t fcs;
+ int32_t foo;
+ int32_t fos;
+ int32_t st_space [20];
+};
+
+struct user_fpxregs32_struct
+{
+ unsigned short int cwd;
+ unsigned short int swd;
+ unsigned short int twd;
+ unsigned short int fop;
+ int32_t fip;
+ int32_t fcs;
+ int32_t foo;
+ int32_t fos;
+ int32_t mxcsr;
+ int32_t reserved;
+ int32_t st_space[32]; /* 8*16 bytes for each FP-reg = 128 bytes */
+ int32_t xmm_space[32]; /* 8*16 bytes for each XMM-reg = 128 bytes */
+ int32_t padding[56];
+};
+
+struct user_regs32_struct
+{
+ int32_t ebx;
+ int32_t ecx;
+ int32_t edx;
+ int32_t esi;
+ int32_t edi;
+ int32_t ebp;
+ int32_t eax;
+ int32_t xds;
+ int32_t xes;
+ int32_t xfs;
+ int32_t xgs;
+ int32_t orig_eax;
+ int32_t eip;
+ int32_t xcs;
+ int32_t eflags;
+ int32_t esp;
+ int32_t xss;
+};
+
+struct user32
+{
+ struct user_regs32_struct regs;
+ int u_fpvalid;
+ struct user_fpregs32_struct i387;
+ uint32_t u_tsize;
+ uint32_t u_dsize;
+ uint32_t u_ssize;
+ uint32_t start_code;
+ uint32_t start_stack;
+ int32_t signal;
+ int reserved;
+ struct user_regs32_struct* u_ar0;
+ struct user_fpregs32_struct* u_fpstate;
+ uint32_t magic;
+ char u_comm [32];
+ int u_debugreg [8];
+};
+
+/* Type for a general-purpose register. */
+typedef unsigned int elf_greg32_t;
+
+/* And the whole bunch of them. We could have used `struct
+ user_regs_struct' directly in the typedef, but tradition says that
+ the register set is an array, which does have some peculiar
+ semantics, so leave it that way. */
+#define ELF_NGREG32 (sizeof (struct user_regs32_struct) / sizeof(elf_greg32_t))
+typedef elf_greg32_t elf_gregset32_t[ELF_NGREG32];
+
+/* Register set for the floating-point registers. */
+typedef struct user_fpregs32_struct elf_fpregset32_t;
+
+/* Register set for the extended floating-point registers. Includes
+ the Pentium III SSE registers in addition to the classic
+ floating-point stuff. */
+typedef struct user_fpxregs32_struct elf_fpxregset32_t;
+
+
+/* Definitions to generate Intel SVR4-like core files. These mostly
+ have the same names as the SVR4 types with "elf_" tacked on the
+ front to prevent clashes with Linux definitions, and the typedef
+ forms have been avoided. This is mostly like the SVR4 structure,
+ but more Linuxy, with things that Linux does not support and which
+ GDB doesn't really use excluded. */
+
+struct prstatus32_timeval
+ {
+ int tv_sec;
+ int tv_usec;
+ };
+
+struct elf_prstatus32
+ {
+ struct elf_siginfo pr_info; /* Info associated with signal. */
+ short int pr_cursig; /* Current signal. */
+ unsigned int pr_sigpend; /* Set of pending signals. */
+ unsigned int pr_sighold; /* Set of held signals. */
+ __pid_t pr_pid;
+ __pid_t pr_ppid;
+ __pid_t pr_pgrp;
+ __pid_t pr_sid;
+ struct prstatus32_timeval pr_utime; /* User time. */
+ struct prstatus32_timeval pr_stime; /* System time. */
+ struct prstatus32_timeval pr_cutime; /* Cumulative user time. */
+ struct prstatus32_timeval pr_cstime; /* Cumulative system time. */
+ elf_gregset32_t pr_reg; /* GP registers. */
+ int pr_fpvalid; /* True if math copro being used. */
+ };
+
+
+struct elf_prpsinfo32
+ {
+ char pr_state; /* Numeric process state. */
+ char pr_sname; /* Char for pr_state. */
+ char pr_zomb; /* Zombie. */
+ char pr_nice; /* Nice val. */
+ unsigned int pr_flag; /* Flags. */
+ unsigned short int pr_uid;
+ unsigned short int pr_gid;
+ int pr_pid, pr_ppid, pr_pgrp, pr_sid;
+ /* Lots missing */
+ char pr_fname[16]; /* Filename of executable. */
+ char pr_psargs[ELF_PRARGSZ]; /* Initial part of arg list. */
+ };
+
+
+/* The rest of this file provides the types for emulation of the
+ Solaris <proc_service.h> interfaces that should be implemented by
+ users of libthread_db. */
+
+/* Register sets. Linux has different names. */
+typedef elf_gregset_t prgregset32_t;
+typedef elf_fpregset_t prfpregset32_t;
+
+/* Process status and info. In the end we do provide typedefs for them. */
+typedef struct elf_prstatus32 prstatus32_t;
+typedef struct elf_prpsinfo32 prpsinfo32_t;