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binutils-gdb/bfd/config.in
H.J. Lu 0aa99dcd70 Use GCC LTO wrapper to get real symbols from LTO IR objects 
GCC LTO wrapper is needed to extract real symbols from LTO IR objects.
This patch does the following:

1. Set up GCC LTO wrapper for each LTO IR object.
2. Run GCC LTO wrapper to get the real object.
3. Extract symbol info from the real object.
4. Cleanup afterwards.

bfd/

	PR binutils/25355
	* configure.ac (HAVE_EXECUTABLE_SUFFIX): New AC_DEFINE.
	(EXECUTABLE_SUFFIX): Likewise.
	* config.in: Regenerated.
	* configure: Likewise.
	* plugin.c (bfd_plugin_close_and_cleanup): Removed.
	(plugin_list_entry): Add all_symbols_read, cleanup_handler,
	gcc, lto_wrapper, resolution_file, resolution_option, gcc_env,
	real_bfd, real_nsyms, real_syms, lto_nsyms and lto_syms.
	(get_lto_wrapper): New.
	(setup_lto_wrapper_env): Likewise.
	(current_plugin): Likewise.
	(register_all_symbols_read): Likewise.
	(register_cleanup): Likewise.
	(get_symbols): Likewise.
	(add_input_file): Likewise.
	(bfd_plugin_close_and_cleanup): Likewise.
	(claim_file): Removed.
	(register_claim_file): Set current_plugin->claim_file.
	(add_symbols): Make a copy of LTO symbols.  Set lto_nsyms and
	lto_syms in current_plugin.
	(try_claim): Use current_plugin->claim_file.  Call LTO plugin
	all_symbols_read handler.  Copy real symbols to plugin_data.
	Call LTO plugin cleanup handler.  Clean up for LTO wrapper.
	(try_load_plugin): Don't reuse the previous plugin for LTO
	wrapper.  Set up GCC LTO wrapper if possible.  Don't set
	plugin_list_iter->claim_file.
	(bfd_plugin_canonicalize_symtab): Use real LTO symbols if
	possible.
	* plugin.h (plugin_data_struct): Add real_bfd, real_nsyms and
	real_syms.

ld/

	PR binutils/25355
	* testsuite/ld-plugin/lto.exp: Run PR binutils/25355 test.
	* testsuite/ld-plugin/pr25355.c: New file.
	* testsuite/ld-plugin/pr25355.d: Likewise.
	* testsuite/lib/ld-lib.exp (run_cc_link_tests): Support compile
	only dump.
2020-02-10 19:01:53 -08:00

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/* config.in. Generated from configure.ac by autoheader. */
/* Check that config.h is #included before system headers
(this works only for glibc, but that should be enough). */
#if defined(__GLIBC__) && !defined(__FreeBSD_kernel__) && !defined(__CONFIG_H__)
# error config.h must be #included before system headers
#endif
#define __CONFIG_H__ 1
/* Name of host specific core header file to include in elf.c. */
#undef CORE_HEADER
/* Define to 1 if you want to enable -z separate-code in ELF linker by
default. */
#undef DEFAULT_LD_Z_SEPARATE_CODE
/* Define to 1 if translation of program messages to the user's native
language is requested. */
#undef ENABLE_NLS
/* Suffix used for executables, if any. */
#undef EXECUTABLE_SUFFIX
/* Define to 1 if you have the <alloca.h> header file. */
#undef HAVE_ALLOCA_H
/* Define to 1 if you have the declaration of `asprintf', and to 0 if you
don't. */
#undef HAVE_DECL_ASPRINTF
/* Define to 1 if you have the declaration of `basename', and to 0 if you
don't. */
#undef HAVE_DECL_BASENAME
/* Define to 1 if you have the declaration of `ffs', and to 0 if you don't. */
#undef HAVE_DECL_FFS
/* Define to 1 if you have the declaration of `free', and to 0 if you don't.
*/
#undef HAVE_DECL_FREE
/* Define to 1 if you have the declaration of `fseeko', and to 0 if you don't.
*/
#undef HAVE_DECL_FSEEKO
/* Define to 1 if you have the declaration of `fseeko64', and to 0 if you
don't. */
#undef HAVE_DECL_FSEEKO64
/* Define to 1 if you have the declaration of `ftello', and to 0 if you don't.
*/
#undef HAVE_DECL_FTELLO
/* Define to 1 if you have the declaration of `ftello64', and to 0 if you
don't. */
#undef HAVE_DECL_FTELLO64
/* Define to 1 if you have the declaration of `getenv', and to 0 if you don't.
*/
#undef HAVE_DECL_GETENV
/* Define to 1 if you have the declaration of `malloc', and to 0 if you don't.
*/
#undef HAVE_DECL_MALLOC
/* Define to 1 if you have the declaration of `realloc', and to 0 if you
don't. */
#undef HAVE_DECL_REALLOC
/* Define to 1 if you have the declaration of `snprintf', and to 0 if you
don't. */
#undef HAVE_DECL_SNPRINTF
/* Define to 1 if you have the declaration of `stpcpy', and to 0 if you don't.
*/
#undef HAVE_DECL_STPCPY
/* Define to 1 if you have the declaration of `strnlen', and to 0 if you
don't. */
#undef HAVE_DECL_STRNLEN
/* Define to 1 if you have the declaration of `strstr', and to 0 if you don't.
*/
#undef HAVE_DECL_STRSTR
/* Define to 1 if you have the declaration of `vasprintf', and to 0 if you
don't. */
#undef HAVE_DECL_VASPRINTF
/* Define to 1 if you have the declaration of `vsnprintf', and to 0 if you
don't. */
#undef HAVE_DECL_VSNPRINTF
/* Define to 1 if you have the <dirent.h> header file, and it defines `DIR'.
*/
#undef HAVE_DIRENT_H
/* Define to 1 if you have the <dlfcn.h> header file. */
#undef HAVE_DLFCN_H
/* Does the platform use an executable suffix? */
#undef HAVE_EXECUTABLE_SUFFIX
/* Define to 1 if you have the `fcntl' function. */
#undef HAVE_FCNTL
/* Define to 1 if you have the <fcntl.h> header file. */
#undef HAVE_FCNTL_H
/* Define to 1 if you have the `fdopen' function. */
#undef HAVE_FDOPEN
/* Define to 1 if you have the `fileno' function. */
#undef HAVE_FILENO
/* Define to 1 if you have the `fls' function. */
#undef HAVE_FLS
/* Define to 1 if you have the `fopen64' function. */
#undef HAVE_FOPEN64
/* Define to 1 if you have the `fseeko' function. */
#undef HAVE_FSEEKO
/* Define to 1 if you have the `fseeko64' function. */
#undef HAVE_FSEEKO64
/* Define to 1 if you have the `ftello' function. */
#undef HAVE_FTELLO
/* Define to 1 if you have the `ftello64' function. */
#undef HAVE_FTELLO64
/* Define to 1 if you have the `getgid' function. */
#undef HAVE_GETGID
/* Define to 1 if you have the `getpagesize' function. */
#undef HAVE_GETPAGESIZE
/* Define to 1 if you have the `getrlimit' function. */
#undef HAVE_GETRLIMIT
/* Define to 1 if you have the `getuid' function. */
#undef HAVE_GETUID
/* Define if your compiler supports hidden visibility. */
#undef HAVE_HIDDEN
/* Define to 1 if you have the <inttypes.h> header file. */
#undef HAVE_INTTYPES_H
/* Define to 1 if the system has the type `long double'. */
#undef HAVE_LONG_DOUBLE
/* Define to 1 if the system has the type `long long'. */
#undef HAVE_LONG_LONG
/* Define if <sys/procfs.h> has lwpstatus_t. */
#undef HAVE_LWPSTATUS_T
/* Define if <sys/procfs.h> has lwpstatus_t.pr_context. */
#undef HAVE_LWPSTATUS_T_PR_CONTEXT
/* Define if <sys/procfs.h> has lwpstatus_t.pr_fpreg. */
#undef HAVE_LWPSTATUS_T_PR_FPREG
/* Define if <sys/procfs.h> has lwpstatus_t.pr_reg. */
#undef HAVE_LWPSTATUS_T_PR_REG
/* Define if <sys/procfs.h> has lwpxstatus_t. */
#undef HAVE_LWPXSTATUS_T
/* Define to 1 if you have the `madvise' function. */
#undef HAVE_MADVISE
/* Define to 1 if you have the <memory.h> header file. */
#undef HAVE_MEMORY_H
/* Define to 1 if you have a working `mmap' system call. */
#undef HAVE_MMAP
/* Define to 1 if you have the `mprotect' function. */
#undef HAVE_MPROTECT
/* Define to 1 if you have the <ndir.h> header file, and it defines `DIR'. */
#undef HAVE_NDIR_H
/* Define if <sys/procfs.h> has prpsinfo32_t. */
#undef HAVE_PRPSINFO32_T
/* Define if <sys/procfs.h> has prpsinfo32_t.pr_pid. */
#undef HAVE_PRPSINFO32_T_PR_PID
/* Define if <sys/procfs.h> has prpsinfo_t. */
#undef HAVE_PRPSINFO_T
/* Define if <sys/procfs.h> has prpsinfo_t.pr_pid. */
#undef HAVE_PRPSINFO_T_PR_PID
/* Define if <sys/procfs.h> has prstatus32_t. */
#undef HAVE_PRSTATUS32_T
/* Define if <sys/procfs.h> has prstatus32_t.pr_who. */
#undef HAVE_PRSTATUS32_T_PR_WHO
/* Define if <sys/procfs.h> has prstatus_t. */
#undef HAVE_PRSTATUS_T
/* Define if <sys/procfs.h> has prstatus_t.pr_who. */
#undef HAVE_PRSTATUS_T_PR_WHO
/* Define if <sys/procfs.h> has psinfo32_t. */
#undef HAVE_PSINFO32_T
/* Define if <sys/procfs.h> has psinfo32_t.pr_pid. */
#undef HAVE_PSINFO32_T_PR_PID
/* Define if <sys/procfs.h> has psinfo_t. */
#undef HAVE_PSINFO_T
/* Define if <sys/procfs.h> has psinfo_t.pr_pid. */
#undef HAVE_PSINFO_T_PR_PID
/* Define if <sys/procfs.h> has pstatus32_t. */
#undef HAVE_PSTATUS32_T
/* Define if <sys/procfs.h> has pstatus_t. */
#undef HAVE_PSTATUS_T
/* Define if <sys/procfs.h> has pxstatus_t. */
#undef HAVE_PXSTATUS_T
/* Define to 1 if you have the `setitimer' function. */
#undef HAVE_SETITIMER
/* Define to 1 if you have the <stddef.h> header file. */
#undef HAVE_STDDEF_H
/* Define to 1 if you have the <stdint.h> header file. */
#undef HAVE_STDINT_H
/* Define to 1 if you have the <stdlib.h> header file. */
#undef HAVE_STDLIB_H
/* Define to 1 if you have the <strings.h> header file. */
#undef HAVE_STRINGS_H
/* Define to 1 if you have the <string.h> header file. */
#undef HAVE_STRING_H
/* Define to 1 if you have the `strtoull' function. */
#undef HAVE_STRTOULL
/* Define if struct core_dumpx has member c_impl */
#undef HAVE_ST_C_IMPL
/* Define to 1 if you have the `sysconf' function. */
#undef HAVE_SYSCONF
/* Define to 1 if you have the <sys/dir.h> header file, and it defines `DIR'.
*/
#undef HAVE_SYS_DIR_H
/* Define to 1 if you have the <sys/file.h> header file. */
#undef HAVE_SYS_FILE_H
/* Define to 1 if you have the <sys/ndir.h> header file, and it defines `DIR'.
*/
#undef HAVE_SYS_NDIR_H
/* Define to 1 if you have the <sys/param.h> header file. */
#undef HAVE_SYS_PARAM_H
/* Define to 1 if you have the <sys/procfs.h> header file. */
#undef HAVE_SYS_PROCFS_H
/* Define to 1 if you have the <sys/resource.h> header file. */
#undef HAVE_SYS_RESOURCE_H
/* Define to 1 if you have the <sys/stat.h> header file. */
#undef HAVE_SYS_STAT_H
/* Define to 1 if you have the <sys/time.h> header file. */
#undef HAVE_SYS_TIME_H
/* Define to 1 if you have the <sys/types.h> header file. */
#undef HAVE_SYS_TYPES_H
/* Define to 1 if you have the <time.h> header file. */
#undef HAVE_TIME_H
/* Define to 1 if you have the <unistd.h> header file. */
#undef HAVE_UNISTD_H
/* Define to 1 if you have the <wchar.h> header file. */
#undef HAVE_WCHAR_H
/* Define to 1 if you have the <wctype.h> header file. */
#undef HAVE_WCTYPE_H
/* Define if <sys/procfs.h> has win32_pstatus_t. */
#undef HAVE_WIN32_PSTATUS_T
/* Define to 1 if you have the <windows.h> header file. */
#undef HAVE_WINDOWS_H
/* Define to the sub-directory in which libtool stores uninstalled libraries.
*/
#undef LT_OBJDIR
/* Name of package */
#undef PACKAGE
/* Define to the address where bug reports for this package should be sent. */
#undef PACKAGE_BUGREPORT
/* Define to the full name of this package. */
#undef PACKAGE_NAME
/* Define to the full name and version of this package. */
#undef PACKAGE_STRING
/* Define to the one symbol short name of this package. */
#undef PACKAGE_TARNAME
/* Define to the home page for this package. */
#undef PACKAGE_URL
/* Define to the version of this package. */
#undef PACKAGE_VERSION
/* The size of `char', as computed by sizeof. */
#undef SIZEOF_CHAR
/* The size of `int', as computed by sizeof. */
#undef SIZEOF_INT
/* The size of `long', as computed by sizeof. */
#undef SIZEOF_LONG
/* The size of `long long', as computed by sizeof. */
#undef SIZEOF_LONG_LONG
/* The size of `off_t', as computed by sizeof. */
#undef SIZEOF_OFF_T
/* The size of `short', as computed by sizeof. */
#undef SIZEOF_SHORT
/* The size of `void *', as computed by sizeof. */
#undef SIZEOF_VOID_P
/* Define to 1 if you have the ANSI C header files. */
#undef STDC_HEADERS
/* Define if you can safely include both <string.h> and <strings.h>. */
#undef STRING_WITH_STRINGS
/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
#undef TIME_WITH_SYS_TIME
/* Name of host specific header file to include in trad-core.c. */
#undef TRAD_HEADER
/* Define if 64-bit archives should always be used. */
#undef USE_64_BIT_ARCHIVE
/* Use b modifier when opening binary files? */
#undef USE_BINARY_FOPEN
/* Define if we should use leading underscore on 64 bit mingw targets */
#undef USE_MINGW64_LEADING_UNDERSCORES
/* Use mmap if it's available? */
#undef USE_MMAP
/* Define if we should default to creating read-only plt entries */
#undef USE_SECUREPLT
/* Enable extensions on AIX 3, Interix. */
#ifndef _ALL_SOURCE
# undef _ALL_SOURCE
#endif
/* Enable GNU extensions on systems that have them. */
#ifndef _GNU_SOURCE
# undef _GNU_SOURCE
#endif
/* Enable threading extensions on Solaris. */
#ifndef _POSIX_PTHREAD_SEMANTICS
# undef _POSIX_PTHREAD_SEMANTICS
#endif
/* Enable extensions on HP NonStop. */
#ifndef _TANDEM_SOURCE
# undef _TANDEM_SOURCE
#endif
/* Enable general extensions on Solaris. */
#ifndef __EXTENSIONS__
# undef __EXTENSIONS__
#endif
/* Version number of package */
#undef VERSION
/* Enable large inode numbers on Mac OS X 10.5. */
#ifndef _DARWIN_USE_64_BIT_INODE
# define _DARWIN_USE_64_BIT_INODE 1
#endif
/* Number of bits in a file offset, on hosts where this is settable. */
#undef _FILE_OFFSET_BITS
/* Define for large files, on AIX-style hosts. */
#undef _LARGE_FILES
/* Define to 1 if on MINIX. */
#undef _MINIX
/* Define to 2 if the system does not provide POSIX.1 features except with
this defined. */
#undef _POSIX_1_SOURCE
/* Define to 1 if you need to in order for `stat' and other things to work. */
#undef _POSIX_SOURCE
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