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authorAdhemerval Zanella <adhemerval.zanella@linaro.org>2022-01-13 17:58:00 -0300
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2022-02-10 09:16:12 -0300
commit6628c742b2c16e785d3c884d9deeda5adb30ca12 (patch)
tree493580e40aef171896584e1d3d32bbe14c15140b /sysdeps/generic
parent8c8510ab2790039e58995ef3a22309582413d3ff (diff)
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elf: Remove prelink support
Prelinked binaries and libraries still work, the dynamic tags DT_GNU_PRELINKED, DT_GNU_LIBLIST, DT_GNU_CONFLICT just ignored (meaning the process is reallocated as default). The loader environment variable TRACE_PRELINKING is also removed, since it used solely on prelink. Checked on x86_64-linux-gnu, i686-linux-gnu, and aarch64-linux-gnu. Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Diffstat (limited to 'sysdeps/generic')
-rw-r--r--sysdeps/generic/ldsodefs.h11
1 files changed, 0 insertions, 11 deletions
diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h
index 2ebe7901c0..d1c6cd902b 100644
--- a/sysdeps/generic/ldsodefs.h
+++ b/sysdeps/generic/ldsodefs.h
@@ -562,7 +562,6 @@ struct rtld_global_ro
#define DL_DEBUG_SCOPES (1 << 9)
/* These two are used only internally. */
#define DL_DEBUG_HELP (1 << 10)
-#define DL_DEBUG_PRELINK (1 << 11)
/* OS version. */
EXTERN unsigned int _dl_osversion;
@@ -649,10 +648,6 @@ struct rtld_global_ro
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;
/* All search directories defined at startup. This is assigned a
non-NULL pointer by the ld.so startup code (after initialization
@@ -1096,12 +1091,6 @@ extern void _dl_reloc_bad_type (struct link_map *map,
unsigned int type, int plt)
attribute_hidden __attribute__ ((__noreturn__));
-/* Resolve conflicts if prelinking. */
-extern void _dl_resolve_conflicts (struct link_map *l,
- ElfW(Rela) *conflict,
- ElfW(Rela) *conflictend)
- attribute_hidden;
-
/* Check the version dependencies of all objects available through
MAP. If VERBOSE print some more diagnostics. */
extern int _dl_check_all_versions (struct link_map *map, int verbose,