[lld] r337458 - [ELF] - One more test case for .eh_frame_hdr.
George Rimar via llvm-commits
llvm-commits at lists.llvm.org
Thu Jul 19 07:27:19 PDT 2018
Author: grimar
Date: Thu Jul 19 07:27:19 2018
New Revision: 337458
URL: http://llvm.org/viewvc/llvm-project?rev=337458&view=rev
Log:
[ELF] - One more test case for .eh_frame_hdr.
This is to test the following error message:
https://github.com/llvm-mirror/lld/blob/master/ELF/SyntheticSections.cpp#L544
Which occurs when LLD meets unsupported address encoding when scans
.eh_frame to build .eh_frame_hdr section.
Added:
lld/trunk/test/ELF/eh-frame-value-format9.s
Added: lld/trunk/test/ELF/eh-frame-value-format9.s
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/eh-frame-value-format9.s?rev=337458&view=auto
==============================================================================
--- lld/trunk/test/ELF/eh-frame-value-format9.s (added)
+++ lld/trunk/test/ELF/eh-frame-value-format9.s Thu Jul 19 07:27:19 2018
@@ -0,0 +1,28 @@
+# REQUIRES: x86
+
+# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
+# RUN: not ld.lld --eh-frame-hdr %t.o -o %t 2>&1 | FileCheck %s
+# CHECK: error: unknown FDE size encoding
+
+.section .eh_frame, "ax"
+ .long 12 # Size
+ .long 0x00 # ID
+ .byte 0x01 # Version.
+
+ .byte 0x52 # Augmentation string: 'R','\0'
+ .byte 0x00
+
+# Code and data alignment factors.
+ .byte 0x01 # LEB128
+ .byte 0x01 # LEB128
+
+# Return address register.
+ .byte 0x01 # LEB128
+
+ .byte 0xFE # 'R' value: invalid <0xFE>
+
+ .byte 0xFF
+
+ .long 12 # Size
+ .long 0x14 # ID
+ .quad .eh_frame
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