From 8bc7f13859ce8eec0e30e27d7dc854a1fef0c04a Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Sat, 10 Apr 2010 22:21:31 +0000 Subject: [PATCH] Support 32bit core note sections on Linux/x86-64. 2010-04-10 H.J. Lu 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 Jan Kratochvil * hosts/x86-64linux.h: New. --- bfd/ChangeLog | 15 ++++ bfd/config.in | 3 + bfd/configure | 11 +++ bfd/configure.in | 8 ++ bfd/elf.c | 4 + bfd/hosts/x86-64linux.h | 192 ++++++++++++++++++++++++++++++++++++++++ 6 files changed, 233 insertions(+) create mode 100644 bfd/hosts/x86-64linux.h diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 55aeba27fed..c1872c99e99 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,18 @@ +2010-04-10 H.J. Lu + + 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 + Jan Kratochvil + + * hosts/x86-64linux.h: New. + 2010-04-09 Nick Clifton * aoutx.h (aout_link_input_bfd): Remove unused variable sym_count. diff --git a/bfd/config.in b/bfd/config.in index 5881b8d0cc9..065c905816c 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 f4aba27fea4..928f984f7ba 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 dfbd0a2ee82..28d5bdd6006 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 8f8bd61a8ab..bcd238d6216 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 00000000000..fdf17f108c9 --- /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 +#include +#include + +/* We define here only the symbols differing from their 64-bit variant. */ +#include + +#ifdef HAVE_STDINT_H +#include +#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 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; -- 2.30.2