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[COMMITTED,AArch64] Use hidden __GI__dl_argv in rtld startup code

Message ID 594A7AE1.6040002@arm.com
State Committed
Headers show

Commit Message

Szabolcs Nagy June 21, 2017, 1:55 p.m. UTC
We rely on the symbol being locally defined so using extern symbol
is not correct and the linker may complain about the relocations.

2017-06-21  Szabolcs Nagy  <szabolcs.nagy@arm.com>

	* sysdeps/aarch64/dl-machine.h (RTLD_START_1): Change _dl_argv to the
	hidden __GI__dl_argv symbol.
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Patch

diff --git a/sysdeps/aarch64/dl-machine.h b/sysdeps/aarch64/dl-machine.h
index 02fab04f40..60472036f5 100644
--- a/sysdeps/aarch64/dl-machine.h
+++ b/sysdeps/aarch64/dl-machine.h
@@ -194,8 +194,8 @@  _dl_start_user:								\n\
 	cmp	" PTR "0, #0						\n\
 	bne	1b							\n\
 	// Update _dl_argv						\n\
-	adrp	x3, _dl_argv						\n\
-	str	" PTR "2, [x3, #:lo12:_dl_argv]				\n\
+	adrp	x3, __GI__dl_argv					\n\
+	str	" PTR "2, [x3, #:lo12:__GI__dl_argv]			\n\
 .L_done_stack_adjust:							\n\
 	// compute envp							\n\
 	add	" PTR "3, " PTR "2, " PTR "1, lsl #" PTR_SIZE_LOG "	\n\