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31eeb44d4f
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6e8a9dfec1
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6e8a9dfec1 | ||
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1ac5fe7c1e |
@ -127,6 +127,7 @@ static void overwrite_uleb(u8 *loc, u64 val) {
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*loc++ = 0b1000'0000 | (val & 0b0111'1111);
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val >>= 7;
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}
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*loc = val & 0b0111'1111;
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}
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// Returns the rd register of an R/I/U/J-type instruction.
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@ -527,6 +528,15 @@ void InputSection<E>::apply_reloc_alloc(Context<E> &ctx, u8 *base) {
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case R_RISCV_32_PCREL:
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*(U32<E> *)loc = S + A - P;
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break;
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case R_RISCV_SET_ULEB128:
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overwrite_uleb(loc, S + A);
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break;
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case R_RISCV_SUB_ULEB128: {
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u8 *p = loc;
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u64 val = read_uleb(p);
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overwrite_uleb(loc, val - (S + A));
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break;
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}
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default:
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unreachable();
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}
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@ -726,6 +736,8 @@ void InputSection<E>::scan_relocations(Context<E> &ctx) {
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case R_RISCV_SET8:
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case R_RISCV_SET16:
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case R_RISCV_SET32:
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case R_RISCV_SET_ULEB128:
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case R_RISCV_SUB_ULEB128:
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break;
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default:
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Error(ctx) << *this << ": unknown relocation: " << rel;
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