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PATCH: PR ld/12627: ld from binutils 2.21.51.0.6 mishandles differences between two section-relative symbols
- From: "H.J. Lu" <hongjiu dot lu at intel dot com>
- To: binutils at sourceware dot org
- Date: Mon, 4 Apr 2011 09:37:17 -0700
- Subject: PATCH: PR ld/12627: ld from binutils 2.21.51.0.6 mishandles differences between two section-relative symbols
- Reply-to: "H.J. Lu" <hjl dot tools at gmail dot com>
Hi,
I checked in this patch to add a testcase.
H.J.
---
diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index 4d41d8c..ddbb461 100644
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,3 +1,12 @@
+2011-04-04 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR ld/12627
+ * ld-i386/i386.exp: Run pr12627.
+
+ * ld-i386/pr12627.d: New.
+ * ld-i386/pr12627.s: Likewise.
+ * ld-i386/pr12627.t: Likewise.
+
2011-03-31 Bernd Schmidt <bernds@codesourcery.com>
* ld-scripts/crossref.exp: Add CFLAGS for tic6x*-*-*.
diff --git a/ld/testsuite/ld-i386/i386.exp b/ld/testsuite/ld-i386/i386.exp
index de8f892..ead0df1 100644
--- a/ld/testsuite/ld-i386/i386.exp
+++ b/ld/testsuite/ld-i386/i386.exp
@@ -201,3 +201,4 @@ if { !([istarget "i?86-*-linux*"]
}
run_dump_test "compressed1"
+run_dump_test "pr12627"
diff --git a/ld/testsuite/ld-i386/pr12627.d b/ld/testsuite/ld-i386/pr12627.d
new file mode 100644
index 0000000..c097821
--- /dev/null
+++ b/ld/testsuite/ld-i386/pr12627.d
@@ -0,0 +1,8 @@
+#name: PR ld/12627
+#as: --32
+#ld: -melf_i386 -T pr12627.t
+#nm: -n
+
+#...
+0+100 A __bss16_dwords
+#pass
diff --git a/ld/testsuite/ld-i386/pr12627.s b/ld/testsuite/ld-i386/pr12627.s
new file mode 100644
index 0000000..305dfd5
--- /dev/null
+++ b/ld/testsuite/ld-i386/pr12627.s
@@ -0,0 +1,11 @@
+ .section ".text16","ax"
+ .globl _start
+_start:
+ movl $__bss16_start, %edi
+ movl $__bss16_dwords, %ecx
+ xorl %eax, %eax
+ rep movsl
+ ret
+
+ .section ".bss16","ax"
+ .space 1024
diff --git a/ld/testsuite/ld-i386/pr12627.t b/ld/testsuite/ld-i386/pr12627.t
new file mode 100644
index 0000000..d824920
--- /dev/null
+++ b/ld/testsuite/ld-i386/pr12627.t
@@ -0,0 +1,27 @@
+OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
+OUTPUT_ARCH(i386)
+EXTERN(_start)
+ENTRY(_start)
+
+SECTIONS
+{
+ . = 0x1000;
+
+ .bss16 (NOLOAD) : {
+ __bss16_start = .;
+ *(.bss16)
+ __bss16_end = .;
+ }
+ __bss16_len = __bss16_end - __bss16_start;
+ __bss16_dwords = (__bss16_len + 3) >> 2;
+
+ . = 0x8000;
+
+ .text16 : {
+ FILL(0x90909090)
+ __text16_start = .;
+ *(.text16)
+ *(.text16.*)
+ __text16_end = .;
+ }
+}