[PATCH] D157519: [JITLink][AArch32] Tests for ELF::R_ARM_ABS32 and ELF::R_ARM_REL32

Eymen Ünay via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Aug 16 07:02:25 PDT 2023


Eymay updated this revision to Diff 550740.
Eymay added a comment.

replace "//" with "#" entirely


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D157519/new/

https://reviews.llvm.org/D157519

Files:
  llvm/test/ExecutionEngine/JITLink/AArch32/ELF_static_data_reloc.s


Index: llvm/test/ExecutionEngine/JITLink/AArch32/ELF_static_data_reloc.s
===================================================================
--- /dev/null
+++ llvm/test/ExecutionEngine/JITLink/AArch32/ELF_static_data_reloc.s
@@ -0,0 +1,42 @@
+# RUN: llvm-mc -triple=armv7-none-linux-gnueabi -arm-add-build-attributes -filetype=obj -o %t.o %s
+# RUN: llvm-jitlink -noexec -slab-address 0x76ff0000 -slab-allocate 10Kb -slab-page-size 4096 \
+# RUN:               -abs target=0x76bbe880 -show-entry-es -check %s %t.o | FileCheck --check-prefix=CHECK-ARM %s
+
+# RUN: llvm-mc -triple=thumbv7-none-linux-gnueabi -arm-add-build-attributes -filetype=obj -o %t.o %s
+# RUN: llvm-jitlink -noexec -slab-address 0x76ff0000 -slab-allocate 10Kb -slab-page-size 4096 \
+# RUN:               -abs target=0x76bbe880 -show-entry-es -check %s %t.o | FileCheck --check-prefix=CHECK-THM %s
+
+# Check that ARM symbol addresses are aligned to 4 bytes
+# CHECK-ARM: "abs32": 0x{{[0-9a-f]+[048c]}} [Data] Ready
+# CHECK-ARM: "rel32": 0x{{[0-9a-f]+[048c]}} [Data] Ready
+
+# Check that Thumb symbol addresses are aligned to 2 bytes and Thumb functions have LSB set
+# CHECK-THM: "abs32": 0x{{[0-9a-f]+[02468ace]}} [Data] Ready
+# CHECK-THM: "rel32": 0x{{[0-9a-f]+[02468ace]}} [Data] Ready
+
+# Check R_ARM_ABS32 and R_ARM_REL32 relocation handling
+
+        .globl target
+        .type target, %function
+        .globl  main
+        .type main, %function
+        .p2align  2
+
+main:
+        bx lr
+        .size   main, .-main
+
+# R_ARM_ABS32
+        .global abs32
+# jitlink-check: *{4}(abs32) = target
+abs32:
+        .word target
+        .size   abs32, .-abs32
+
+# R_ARM_REL32
+        .global rel32
+# jitlink-check: (rel32 + *{4}(rel32))[31:0] = target
+ rel32:
+        .word target - .
+        .size rel32, .-rel32
+


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