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2004-03-05  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/generic/ldsodefs.h: Define new structure rtld_global_ro.
	Declare _rtld_global_ro and _rtld_local_ro.  Move members of
	rtld_global structure into the new one if they are modified only
	at startup time.  Define GLRO to access _rtld_global_ro.
	* elf/Versions: Export _rtld_global_ro.
	* elf/dl-close.c: Use GLRO instead of GL where appropriate.
	* elf/dl-conflict.c: Likewise.
	* elf/dl-deps.c: Likewise.
	* elf/dl-dst.h: Likewise.
	* elf/dl-error.c: Likewise.
	* elf/dl-fini.c: Likewise.
	* elf/dl-init.c: Likewise.
	* elf/dl-load.c: Likewise.
	* elf/dl-lookup.c: Likewise.
	* elf/dl-minimal.c: Likewise.
	* elf/dl-open.c: Likewise.
	* elf/dl-profile.c: Likewise.
	* elf/dl-reloc.c: Likewise.
	* elf/dl-runtime.c: Likewise.
	* elf/dl-support.c: Likewise.
	* elf/dl-version.c: Likewise.
	* elf/do-lookup.h: Likewise.
	* elf/rtld.c: Likewise.
	* sysdeps/generic/dl-cache.c: Likewise.
	* sysdeps/generic/dl-origin.c: Likewise.
	* sysdeps/generic/dl-sysdep.c: Likewise.
	* sysdeps/generic/libc-start.c: Likewise.
	* sysdeps/generic/dl-cache.c: Likewise.
	* sysdeps/i386/dl-machine.h: Likewise.
	* sysdeps/i386/setfpucw.c: Likewise.
	* sysdeps/i386/fpu/fclrexcpt.c: Likewise.
	* sysdeps/i386/fpu/fedisblexcpt.c: Likewise.
	* sysdeps/i386/fpu/feenablxcpt.c: Likewise.
	* sysdeps/i386/fpu/feholdexcpt.c: Likewise.
	* sysdeps/i386/fpu/fesetround.c: Likewise.
	* sysdeps/i386/fpu/fsetexcptflg.c: Likewise.
	* sysdeps/i386/fpu/ftestexcept.c: Likewise.
	* sysdeps/unix/sysv/linux/dl-execstat.c: Likewise.
	* sysdeps/unix/sysv/linux/dl-librecon.h: Likewise.
	* sysdeps/unix/sysv/linux/dl-origin.c: Likewise.
	* sysdeps/unix/sysv/linux/dl-osinfo.h: Likewise.
	* sysdeps/unix/sysv/linux/getclktck.c: Likewise.
	* sysdeps/unix/sysv/linux/getpagesize.c: Likewise.
	* sysdeps/unix/sysv/linux/init-first.c: Likewise.
	* sysdeps/unix/sysv/linux/prof-freq.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/dl-librecon.h: Likewise.
	* sysdeps/unix/sysv/linux/i386/sigaction.h: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext.S: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext.S: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/getcontext.S: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S: Likewise.
	* sysdeps/x86_64/dl-machine.h: Likewise.
This commit is contained in:
Ulrich Drepper 2004-03-05 10:15:54 +00:00
parent dd272e5774
commit 20c37dfde1
3 changed files with 160 additions and 80 deletions
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55
ChangeLog
View file

@ -1,3 +1,58 @@
2004-03-05 Ulrich Drepper <drepper@redhat.com>
* sysdeps/generic/ldsodefs.h: Define new structure rtld_global_ro.
Declare _rtld_global_ro and _rtld_local_ro. Move members of
rtld_global structure into the new one if they are modified only
at startup time. Define GLRO to access _rtld_global_ro.
* elf/Versions: Export _rtld_global_ro.
* elf/dl-close.c: Use GLRO instead of GL where appropriate.
* elf/dl-conflict.c: Likewise.
* elf/dl-deps.c: Likewise.
* elf/dl-dst.h: Likewise.
* elf/dl-error.c: Likewise.
* elf/dl-fini.c: Likewise.
* elf/dl-init.c: Likewise.
* elf/dl-load.c: Likewise.
* elf/dl-lookup.c: Likewise.
* elf/dl-minimal.c: Likewise.
* elf/dl-open.c: Likewise.
* elf/dl-profile.c: Likewise.
* elf/dl-reloc.c: Likewise.
* elf/dl-runtime.c: Likewise.
* elf/dl-support.c: Likewise.
* elf/dl-version.c: Likewise.
* elf/do-lookup.h: Likewise.
* elf/rtld.c: Likewise.
* sysdeps/generic/dl-cache.c: Likewise.
* sysdeps/generic/dl-origin.c: Likewise.
* sysdeps/generic/dl-sysdep.c: Likewise.
* sysdeps/generic/libc-start.c: Likewise.
* sysdeps/generic/dl-cache.c: Likewise.
* sysdeps/i386/dl-machine.h: Likewise.
* sysdeps/i386/setfpucw.c: Likewise.
* sysdeps/i386/fpu/fclrexcpt.c: Likewise.
* sysdeps/i386/fpu/fedisblexcpt.c: Likewise.
* sysdeps/i386/fpu/feenablxcpt.c: Likewise.
* sysdeps/i386/fpu/feholdexcpt.c: Likewise.
* sysdeps/i386/fpu/fesetround.c: Likewise.
* sysdeps/i386/fpu/fsetexcptflg.c: Likewise.
* sysdeps/i386/fpu/ftestexcept.c: Likewise.
* sysdeps/unix/sysv/linux/dl-execstat.c: Likewise.
* sysdeps/unix/sysv/linux/dl-librecon.h: Likewise.
* sysdeps/unix/sysv/linux/dl-origin.c: Likewise.
* sysdeps/unix/sysv/linux/dl-osinfo.h: Likewise.
* sysdeps/unix/sysv/linux/getclktck.c: Likewise.
* sysdeps/unix/sysv/linux/getpagesize.c: Likewise.
* sysdeps/unix/sysv/linux/init-first.c: Likewise.
* sysdeps/unix/sysv/linux/prof-freq.c: Likewise.
* sysdeps/unix/sysv/linux/i386/dl-librecon.h: Likewise.
* sysdeps/unix/sysv/linux/i386/sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext.S: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext.S: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/getcontext.S: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S: Likewise.
* sysdeps/x86_64/dl-machine.h: Likewise.
2004-03-04 Ulrich Drepper <drepper@redhat.com>
* sysdeps/generic/ldsodefs.h: Don't define _dl_name_match_p as inline.

3
elf/Versions
View file

@ -53,7 +53,8 @@ ld {
_dl_map_object; _dl_map_object_deps; _dl_out_of_memory;
_dl_relocate_object; _dl_signal_error; _dl_start_profile; _dl_starting_up;
_dl_unload_cache;
_rtld_global; _dl_tls_symaddr; _dl_allocate_tls; _dl_deallocate_tls;
_rtld_global; _rtld_global_ro;
_dl_tls_symaddr; _dl_allocate_tls; _dl_deallocate_tls;
_dl_get_tls_static_info; _dl_allocate_tls_init;
_dl_get_origin; _dl_tls_setup; _dl_rtld_di_serinfo;
_dl_make_stack_executable;

182
sysdeps/generic/ldsodefs.h
View file

@ -220,23 +220,6 @@ struct rtld_global
reset if in _dl_close if the last global object is removed. */
EXTERN size_t _dl_global_scope_alloc;
/* If nonzero the appropriate debug information is printed. */
EXTERN int _dl_debug_mask;
#define DL_DEBUG_LIBS (1 << 0)
#define DL_DEBUG_IMPCALLS (1 << 1)
#define DL_DEBUG_BINDINGS (1 << 2)
#define DL_DEBUG_SYMBOLS (1 << 3)
#define DL_DEBUG_VERSIONS (1 << 4)
#define DL_DEBUG_RELOC (1 << 5)
#define DL_DEBUG_FILES (1 << 6)
#define DL_DEBUG_STATISTICS (1 << 7)
/* These two are used only internally. */
#define DL_DEBUG_HELP (1 << 8)
#define DL_DEBUG_PRELINK (1 << 9)
/* Cached value of `getpagesize ()'. */
EXTERN size_t _dl_pagesize;
/* During the program run we must not modify the global data of
loaded shared object simultanously in two threads. Therefore we
protect `_dl_open' and `_dl_close' in dl-close.c.
@ -246,12 +229,6 @@ struct rtld_global
At this time it is not anymore a problem to modify the tables. */
__rtld_lock_define_recursive (EXTERN, _dl_load_lock)
/* OS version. */
EXTERN unsigned int _dl_osversion;
/* Platform name. */
EXTERN const char *_dl_platform;
EXTERN size_t _dl_platformlen;
/* Incremented whenever something may have been added to dl_loaded. */
EXTERN unsigned long long _dl_load_adds;
@ -260,25 +237,6 @@ struct rtld_global
EXTERN int _dl_zerofd;
#endif
/* CLK_TCK as reported by the kernel. */
EXTERN int _dl_clktck;
/* If nonzero print warnings messages. */
EXTERN int _dl_verbose;
/* Do we do lazy relocations? */
EXTERN int _dl_lazy;
/* Nonzero if runtime lookups should not update the .got/.plt. */
EXTERN int _dl_bind_not;
/* Nonzero if references should be treated as weak during runtime
linking. */
EXTERN int _dl_dynamic_weak;
/* Default floating-point control word. */
EXTERN fpu_control_t _dl_fpu_control;
/* The object to be initialized first. */
EXTERN struct link_map *_dl_initfirst;
@ -290,36 +248,13 @@ struct rtld_global
EXTERN hp_timing_t _dl_hp_timing_overhead;
#endif
/* Name of the shared object to be profiled (if any). */
EXTERN const char *_dl_profile;
/* Map of shared object to be profiled. */
EXTERN struct link_map *_dl_profile_map;
/* Filename of the output file. */
EXTERN const char *_dl_profile_output;
/* Map of shared object to be prelink traced. */
EXTERN struct link_map *_dl_trace_prelink_map;
/* Name of the object we want to trace the prelinking. */
EXTERN const char *_dl_trace_prelink;
/* Expected cache ID. */
EXTERN int _dl_correct_cache_id;
/* Counters for the number of relocations performed. */
EXTERN unsigned long int _dl_num_relocations;
EXTERN unsigned long int _dl_num_cache_relocations;
/* Mask for hardware capabilities that are available. */
EXTERN unsigned long int _dl_hwcap;
/* Mask for important hardware capabilities we honour. */
EXTERN unsigned long int _dl_hwcap_mask;
/* Names of shared object for which the RPATH should be ignored. */
EXTERN const char *_dl_inhibit_rpath;
/* Location of the binary. */
EXTERN const char *_dl_origin_path;
/* List of search directories. */
EXTERN struct r_search_path_elem *_dl_all_dirs;
EXTERN struct r_search_path_elem *_dl_init_all_dirs;
@ -327,11 +262,6 @@ struct rtld_global
/* File descriptor to write debug messages to. */
EXTERN int _dl_debug_fd;
/* -1 if the dynamic linker should honor library load bias,
0 if not, -2 use the default (honor biases for normal
binaries, don't honor for PIEs). */
EXTERN ElfW(Addr) _dl_use_load_bias;
#ifdef _LIBC_REENTRANT
EXTERN void **(*_dl_error_catch_tsd) (void) __attribute__ ((const));
#endif
@ -403,15 +333,6 @@ struct rtld_global
EXTERN void (*_dl_init_static_tls) (struct link_map *);
#endif
#ifdef NEED_DL_SYSINFO
/* Syscall handling improvements. This is very specific to x86. */
EXTERN uintptr_t _dl_sysinfo;
/* The vsyscall page is a virtual DSO pre-mapped by the kernel.
This points to its ELF header. */
EXTERN const ElfW(Ehdr) *_dl_sysinfo_dso;
#endif
#ifdef SHARED
};
# define __rtld_global_attribute__
@ -432,6 +353,109 @@ extern struct rtld_global _rtld_local __rtld_local_attribute__;
# endif
extern struct rtld_global _rtld_global __rtld_global_attribute__;
#endif
#ifndef SHARED
# define GLRO(name) _##name
#else
# ifdef IS_IN_rtld
# define GLRO(name) _rtld_local_ro._##name
# else
# define GLRO(name) _rtld_global_ro._##name
# endif
struct rtld_global_ro
{
#endif
/* If nonzero the appropriate debug information is printed. */
EXTERN int _dl_debug_mask;
#define DL_DEBUG_LIBS (1 << 0)
#define DL_DEBUG_IMPCALLS (1 << 1)
#define DL_DEBUG_BINDINGS (1 << 2)
#define DL_DEBUG_SYMBOLS (1 << 3)
#define DL_DEBUG_VERSIONS (1 << 4)
#define DL_DEBUG_RELOC (1 << 5)
#define DL_DEBUG_FILES (1 << 6)
#define DL_DEBUG_STATISTICS (1 << 7)
/* These two are used only internally. */
#define DL_DEBUG_HELP (1 << 8)
#define DL_DEBUG_PRELINK (1 << 9)
/* Cached value of `getpagesize ()'. */
EXTERN size_t _dl_pagesize;
/* OS version. */
EXTERN unsigned int _dl_osversion;
/* Platform name. */
EXTERN const char *_dl_platform;
EXTERN size_t _dl_platformlen;
/* CLK_TCK as reported by the kernel. */
EXTERN int _dl_clktck;
/* If nonzero print warnings messages. */
EXTERN int _dl_verbose;
/* Do we do lazy relocations? */
EXTERN int _dl_lazy;
/* Nonzero if runtime lookups should not update the .got/.plt. */
EXTERN int _dl_bind_not;
/* Nonzero if references should be treated as weak during runtime
linking. */
EXTERN int _dl_dynamic_weak;
/* Default floating-point control word. */
EXTERN fpu_control_t _dl_fpu_control;
/* Expected cache ID. */
EXTERN int _dl_correct_cache_id;
/* Mask for hardware capabilities that are available. */
EXTERN unsigned long int _dl_hwcap;
/* Mask for important hardware capabilities we honour. */
EXTERN unsigned long int _dl_hwcap_mask;
/* Names of shared object for which the RPATH should be ignored. */
EXTERN const char *_dl_inhibit_rpath;
/* Location of the binary. */
EXTERN const char *_dl_origin_path;
/* -1 if the dynamic linker should honor library load bias,
0 if not, -2 use the default (honor biases for normal
binaries, don't honor for PIEs). */
EXTERN ElfW(Addr) _dl_use_load_bias;
/* Name of the shared object to be profiled (if any). */
EXTERN const char *_dl_profile;
/* Filename of the output file. */
EXTERN const char *_dl_profile_output;
/* Name of the object we want to trace the prelinking. */
EXTERN const char *_dl_trace_prelink;
/* Map of shared object to be prelink traced. */
EXTERN struct link_map *_dl_trace_prelink_map;
#ifdef NEED_DL_SYSINFO
/* Syscall handling improvements. This is very specific to x86. */
EXTERN uintptr_t _dl_sysinfo;
/* The vsyscall page is a virtual DSO pre-mapped by the kernel.
This points to its ELF header. */
EXTERN const ElfW(Ehdr) *_dl_sysinfo_dso;
#endif
#ifdef SHARED
};
# define __rtld_global_attribute__
# ifdef IS_IN_rtld
extern struct rtld_global_ro _rtld_local_ro
attribute_relro __rtld_local_attribute__;
# endif
extern struct rtld_global_ro _rtld_global_ro
attribute_relro __rtld_global_attribute__;
#endif
#undef EXTERN
#ifdef IS_IN_rtld