From: Nicholas Nethercote <njn@valgrind.org>
Date: Thu, 2 Jul 2009 20:47:53 +0000 (+0000)
Subject: Back out r10402 because it completely breaks things on Ubuntu 9.04 and
X-Git-Tag: svn/VALGRIND_3_5_0~442
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4fc7d06fcc6622837697d4fc2c8f16cdce902b49;p=thirdparty%2Fvalgrind.git

Back out r10402 because it completely breaks things on Ubuntu 9.04 and
OpenSUSE 11.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@10404
---

diff --git a/coregrind/m_redir.c b/coregrind/m_redir.c
index 570d996ce5..d824a79a42 100644
--- a/coregrind/m_redir.c
+++ b/coregrind/m_redir.c
@@ -879,20 +879,6 @@ void VG_(redir_initialise) ( void )
       (Addr)&VG_(amd64_linux_REDIR_FOR_vtime) 
    );
 
-   /* If we're using memcheck, use these intercepts right from
-      the start, otherwise ld.so makes a lot of noise. */
-   if (0==VG_(strcmp)("Memcheck", VG_(details).name)) {
-
-      static const HChar croakage[]
-        = "Possible fix: install glibc's debuginfo package on this machine.";
-
-      /* this is mandatory - can't sanely continue without it */
-      add_hardwired_spec(
-         "ld-linux-x86-64.so.2", "strlen",
-         (Addr)&VG_(amd64_linux_REDIR_FOR_strlen),
-         croakage
-      );   
-   }
 #  elif defined(VGP_ppc32_linux)
    {
    static const HChar croakage[]
diff --git a/coregrind/m_trampoline.S b/coregrind/m_trampoline.S
index 256666bdf4..8b3487ef9f 100644
--- a/coregrind/m_trampoline.S
+++ b/coregrind/m_trampoline.S
@@ -168,29 +168,7 @@ VG_(amd64_linux_REDIR_FOR_vtime):
 .LfnE3:
 .size VG_(amd64_linux_REDIR_FOR_vtime), .-.LfnB3
 
-/* There's no particular reason that this needs to be handwritten
-   assembly, but since that's what this file contains, here's a
-   simple strlen implementation (written in C and compiled by gcc.)
-*/
-.global VG_(amd64_linux_REDIR_FOR_strlen)
-.type   VG_(amd64_linux_REDIR_FOR_strlen), @function
-VG_(amd64_linux_REDIR_FOR_strlen):
-.LfnB4:
-	xorl	%eax, %eax
-	cmpb	$0, (%rdi)
-	movq	%rdi, %rdx
-	je	.L41
-.L40:	addq	$1, %rdx
-	cmpb	$0, (%rdx)
-	jne	.L40
-	movq	%rdx, %rax
-	subq	%rdi, %rax
-.L41:	ret
-.LfnE4:
-.size VG_(amd64_linux_REDIR_FOR_strlen), .-VG_(amd64_linux_REDIR_FOR_strlen)
-
-
-/* A CIE for the above three functions, followed by their FDEs */
+/* A CIE for the above two functions, followed by their FDEs */
 	.section .eh_frame,"a",@progbits
 .Lframe1:
         .long   .LEcie1-.LScie1
@@ -228,15 +206,6 @@ VG_(amd64_linux_REDIR_FOR_strlen):
         .uleb128 0x0
         .align 8
 .LEfde3:
-.LSfde4:
-        .long   .LEfde4-.LASfde4
-.LASfde4:
-        .long   .LASfde4-.Lframe1
-        .long   .LfnB4
-        .long   .LfnE4-.LfnB4
-        .uleb128 0x0
-        .align 8
-.LEfde4:
 	.previous
 
 .global VG_(trampoline_stuff_end)
diff --git a/coregrind/pub_core_trampoline.h b/coregrind/pub_core_trampoline.h
index 31c591cb94..c8c6520744 100644
--- a/coregrind/pub_core_trampoline.h
+++ b/coregrind/pub_core_trampoline.h
@@ -66,7 +66,6 @@ extern Char* VG_(x86_linux_REDIR_FOR_index) ( const Char*, Int );
 extern void VG_(amd64_linux_SUBST_FOR_rt_sigreturn);
 extern void VG_(amd64_linux_REDIR_FOR_vgettimeofday);
 extern void VG_(amd64_linux_REDIR_FOR_vtime);
-extern UInt VG_(amd64_linux_REDIR_FOR_strlen)( void* );
 #endif
 
 #if defined(VGP_ppc32_linux)