[lld] [ELF] Support R_RISCV_SET_ULEB128/R_RISCV_SUB_ULEB128 in SHF_ALLOC sections (PR #77261)
Fangrui Song via llvm-commits
llvm-commits at lists.llvm.org
Sun Jan 7 16:18:22 PST 2024
================
@@ -122,8 +167,21 @@ w1: call foo; w2:
#--- overflow.s
w1: call foo; w2:
+.section .alloc,"a"
+.quad 0
+.reloc ., R_RISCV_SET_ULEB128, w2+124
+.reloc ., R_RISCV_SUB_ULEB128, w1
+.byte 0x7f
.section .debug_rnglists
.quad 0
.reloc ., R_RISCV_SET_ULEB128, w2+124
.reloc ., R_RISCV_SUB_ULEB128, w1
.byte 0x7f
+
+#--- preemptable.s
+.globl w1, w2
----------------
MaskRay wrote:
In the future, I'll consider making `R_RISCV_ADD` a constant only if `!isPreemptible` like `R_RISCV_LEB128`
https://github.com/llvm/llvm-project/pull/77261
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