[llvm] fcfa9c7 - [RelocationResolver] Add R_RISCV_SET{16,32}
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Wed Sep 21 23:05:13 PDT 2022
Author: LiaoChunyu
Date: 2022-09-22T14:05:03+08:00
New Revision: fcfa9c7fcdbab22c42ef74d3975ecede5b912f6b
URL: https://github.com/llvm/llvm-project/commit/fcfa9c7fcdbab22c42ef74d3975ecede5b912f6b
DIFF: https://github.com/llvm/llvm-project/commit/fcfa9c7fcdbab22c42ef74d3975ecede5b912f6b.diff
LOG: [RelocationResolver] Add R_RISCV_SET{16,32}
Reviewed By: MaskRay
Differential Revision: https://reviews.llvm.org/D134408
Added:
Modified:
llvm/lib/Object/RelocationResolver.cpp
llvm/test/MC/RISCV/cfi-advance.s
Removed:
################################################################################
diff --git a/llvm/lib/Object/RelocationResolver.cpp b/llvm/lib/Object/RelocationResolver.cpp
index e311ff4c2e9f..13a7a9851137 100644
--- a/llvm/lib/Object/RelocationResolver.cpp
+++ b/llvm/lib/Object/RelocationResolver.cpp
@@ -437,8 +437,10 @@ static bool supportsRISCV(uint64_t Type) {
case ELF::R_RISCV_SUB6:
case ELF::R_RISCV_ADD8:
case ELF::R_RISCV_SUB8:
+ case ELF::R_RISCV_SET16:
case ELF::R_RISCV_ADD16:
case ELF::R_RISCV_SUB16:
+ case ELF::R_RISCV_SET32:
case ELF::R_RISCV_ADD32:
case ELF::R_RISCV_SUB32:
case ELF::R_RISCV_ADD64:
@@ -472,10 +474,14 @@ static uint64_t resolveRISCV(uint64_t Type, uint64_t Offset, uint64_t S,
return (A + (S + RA)) & 0xFF;
case ELF::R_RISCV_SUB8:
return (A - (S + RA)) & 0xFF;
+ case ELF::R_RISCV_SET16:
+ return (S + RA) & 0xFFFF;
case ELF::R_RISCV_ADD16:
return (A + (S + RA)) & 0xFFFF;
case ELF::R_RISCV_SUB16:
return (A - (S + RA)) & 0xFFFF;
+ case ELF::R_RISCV_SET32:
+ return (S + RA) & 0xFFFFFFFF;
case ELF::R_RISCV_ADD32:
return (A + (S + RA)) & 0xFFFFFFFF;
case ELF::R_RISCV_SUB32:
diff --git a/llvm/test/MC/RISCV/cfi-advance.s b/llvm/test/MC/RISCV/cfi-advance.s
index 8d11e6ec6636..b599b50692db 100644
--- a/llvm/test/MC/RISCV/cfi-advance.s
+++ b/llvm/test/MC/RISCV/cfi-advance.s
@@ -4,8 +4,16 @@
# RUN: | FileCheck -check-prefix=CHECK-DWARFDUMP %s
# CHECK: 0x26 R_RISCV_SET8 - 0x0
-# CHECK-DWARFDUMP: DW_CFA_advance_loc1
-# CHECK-DWARFDUMP-NEXT: DW_CFA_def_cfa_offset
+# CHECK-NEXT: 0x26 R_RISCV_SUB8 - 0x0
+# CHECK-NEXT: 0x2A R_RISCV_SET16 - 0x0
+# CHECK-NEXT: 0x2A R_RISCV_SUB16 - 0x0
+# CHECK-NEXT: 0x2F R_RISCV_SET32 - 0x0
+# CHECK-DWARFDUMP: DW_CFA_advance_loc1
+# CHECK-DWARFDUMP-NEXT: DW_CFA_def_cfa_offset
+# CHECK-DWARFDUMP-NEXT: DW_CFA_advance_loc2
+# CHECK-DWARFDUMP-NEXT: DW_CFA_def_cfa_offset
+# CHECK-DWARFDUMP-NEXT: DW_CFA_advance_loc4
+# CHECK-DWARFDUMP-NEXT: DW_CFA_def_cfa_offset
.text
.globl test # -- Begin function test
.p2align 1
@@ -16,4 +24,10 @@ test:
.zero 100, 0x90
.cfi_def_cfa_offset 8
nop
+ .zero 255, 0x90
+ .cfi_def_cfa_offset 8
+ nop
+ .zero 65535, 0x90
+ .cfi_def_cfa_offset 8
+ nop
.cfi_endproc
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