[lld] 0359acf - [ELF, test] Add eh-frame-nonzero-offset-riscv.s for #65966
Fangrui Song via llvm-commits
llvm-commits at lists.llvm.org
Sun Jan 7 16:02:58 PST 2024
Author: Fangrui Song
Date: 2024-01-07T16:02:52-08:00
New Revision: 0359acf0f5f04da184386c886d56ee45db7b7be0
URL: https://github.com/llvm/llvm-project/commit/0359acf0f5f04da184386c886d56ee45db7b7be0
DIFF: https://github.com/llvm/llvm-project/commit/0359acf0f5f04da184386c886d56ee45db7b7be0.diff
LOG: [ELF,test] Add eh-frame-nonzero-offset-riscv.s for #65966
I plan to define RISCV::relocateAllocate in a subsequent change.
Add a test to verify
`else if (auto *ehIn = dyn_cast<EhInputSection>(&sec)) secAddr += ehIn->getParent()->outSecOff;`
Added:
lld/test/ELF/eh-frame-nonzero-offset-riscv.s
Modified:
Removed:
################################################################################
diff --git a/lld/test/ELF/eh-frame-nonzero-offset-riscv.s b/lld/test/ELF/eh-frame-nonzero-offset-riscv.s
new file mode 100644
index 00000000000000..fa78b76863732f
--- /dev/null
+++ b/lld/test/ELF/eh-frame-nonzero-offset-riscv.s
@@ -0,0 +1,53 @@
+// REQUIRES: riscv
+// RUN: rm -rf %t && split-file %s %t && cd %t
+
+// RUN: llvm-mc -filetype=obj -triple=riscv64 a.s -o a.o
+// RUN: ld.lld a.o -T eh-frame-non-zero-offset.t -o non-zero
+// RUN: llvm-readelf --program-headers --unwind --symbols -x .eh_frame non-zero | FileCheck --check-prefix=NONZERO %s
+// RUN: ld.lld a.o -T eh-frame-zero-offset.t -o zero
+// RUN: llvm-readelf --program-headers --unwind --symbols -x .eh_frame zero | FileCheck --check-prefix=ZERO %s
+
+// NONZERO: {{[0-9]+}}: 0000000000000088 {{.*}} __eh_frame_start
+// NONZERO-NEXT: {{[0-9]+}}: 00000000000000b4 {{.*}} __eh_frame_end
+
+// NONZERO: 0x00000088 10000000 00000000 017a5200 01780101 .
+// NONZERO-NEXT: 0x00000098 1b0c0200 10000000 18000000 5cffffff .
+// NONZERO-NEXT: 0x000000a8 04000000 00000000 00000000 .
+
+// ZERO: {{[0-9]+}}: 0000000000000008 {{.*}} __eh_frame_start
+// ZERO-NEXT: {{[0-9]+}}: 0000000000000034 {{.*}} __eh_frame_end
+
+// ZERO: 0x00000008 10000000 00000000 017a5200 01780101 .
+// ZERO-NEXT: 0x00000018 1b0c0200 10000000 18000000 dcffffff .
+// ZERO-NEXT: 0x00000028 04000000 00000000 00000000 .
+
+//--- eh-frame-non-zero-offset.t
+SECTIONS {
+ .text : { *(.text .text.*) }
+ .eh_frame : {
+ /* Padding within .eh_frame */
+ . += 128;
+ __eh_frame_start = .;
+ *(.eh_frame) ;
+ __eh_frame_end = .;
+ }
+}
+
+//--- eh-frame-zero-offset.t
+SECTIONS {
+ .text : { *(.text .text.*) }
+ .eh_frame : {
+ __eh_frame_start = .;
+ *(.eh_frame) ;
+ __eh_frame_end = .;
+ }
+}
+
+//--- a.s
+.section .text.01, "ax",%progbits
+.global f1
+.type f1, %function
+f1:
+.cfi_startproc
+.space 4
+.cfi_endproc
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