[PATCH] D124270: [BOLT] fixed r_aarch64_prelxx test
Alexey Moksyakov via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Apr 22 09:36:18 PDT 2022
yavtuk created this revision.
yavtuk added reviewers: yota9, Amir, rafaelauler.
Herald added subscribers: ayermolo, kristof.beyls.
Herald added a reviewer: rafauler.
Herald added a reviewer: maksfb.
Herald added a project: All.
yavtuk requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.
The relocation value is calculated using the formula S + A - P,
the verification of the value is performed by inversely calculating the location address
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D124270
Files:
bolt/test/runtime/AArch64/r_aarch64_prelxx.s
Index: bolt/test/runtime/AArch64/r_aarch64_prelxx.s
===================================================================
--- bolt/test/runtime/AArch64/r_aarch64_prelxx.s
+++ bolt/test/runtime/AArch64/r_aarch64_prelxx.s
@@ -1,4 +1,12 @@
// This test checks processing of R_AARCH64_PREL64/32/16 relocations
+// S + A - P = Value
+// S = P - A + Value
+
+// mul(D1,0x100) == << 8
+// mul(D2,0x10000) == << 16
+// mul(D3,0x1000000) == << 24
+
+// REQUIRES: system-linux
// RUN: %clang %cflags -nostartfiles -nostdlib %s -o %t.exe -Wl,-q \
// RUN: -Wl,-z,max-page-size=4
@@ -9,12 +17,15 @@
// CHECKPREL-NEXT: R_AARCH64_PREL64 {{.*}} _start + 8
// RUN: llvm-bolt %t.exe -o %t.bolt
-// RUN: llvm-readobj -S --section-data %t.bolt | FileCheck %s
+// RUN: llvm-objdump -D %t.bolt | FileCheck %s
+
+// CHECK: [[#%x,DATATABLEADDR:]] <datatable>:
+// CHECK: 1004: [[#%x,D0:]] [[#%x,D1:]] [[#%x,D2:]] [[#%x,D3:]]
+// CHECK: 1008: [[#%.0x,D0:]] [[#%.0x,D1:]] [[#%.0x,D2:]] [[#%.0x,D3:]]
-// CHECK: Name: .data
-// CHECK: SectionData (
-// CHECK: 0000: FCFF0000 44FF3F00 44FF3F00 00000000
-// CHECK: )
+// 4 is offset in datatable
+// 8 is addend
+// CHECK: [[#DATATABLEADDR + 4 - 8 + D0 + mul(D1,0x100) + mul(D2,0x10000) + mul(D3,0x1000000)]] <_start>:
.text
.align 4
-------------- next part --------------
A non-text attachment was scrubbed...
Name: D124270.424506.patch
Type: text/x-patch
Size: 1284 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20220422/189defba/attachment.bin>
More information about the llvm-commits
mailing list