Update valgrind-3.14.0-rsp-clobber.patch

This commit is contained in:
Mark Wielaard 2019-01-11 20:03:41 +01:00
parent 6ff5b8869d
commit 607b6fc561

View File

@ -32,4 +32,32 @@ index 0f9237d..269bd70 100644
+ "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15");
}
__attribute__((noinline))
commit c512949082c4fc2285a82e102d4212c66e034a31
Author: Mark Wielaard <mark@klomp.org>
Date: Fri Jan 11 20:00:17 2019 +0100
Bug 402480 Do not use %esp in clobber list.
This is the same fix as for amd64-linux, but now for x86-linux.
diff --git a/none/tests/x86-linux/bug345887.c b/none/tests/x86-linux/bug345887.c
index f2e8a8d..ef21d4e 100644
--- a/none/tests/x86-linux/bug345887.c
+++ b/none/tests/x86-linux/bug345887.c
@@ -12,12 +12,14 @@ static void inner(void)
"movl $0x105, %%esi\n"
"movl $0x106, %%edi\n"
// not %ebp as mdb is then not able to reconstruct stack trace
+ // clobbering %esp is really bad, but that is kind of the point
+ // we don't add it to the clobber list since gcc9 warns about that
"movl $0x108, %%esp\n"
"movl $0x1234, (%%eax)\n" // should cause SEGV here
"ud2" // should never get here
: // no output registers
: // no input registers
- : "memory", "%eax", "%ebx", "%ecx", "%edx", "%esi", "%edi", "%esp");
+ : "memory", "%eax", "%ebx", "%ecx", "%edx", "%esi", "%edi");
}
__attribute__((noinline))