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fix(asm): close the oracle parity gaps in frame addressing and calls

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petrbalvin
2026-09-14 23:25:14 +02:00
parent 70218e84ba
commit 40476546df
18 changed files with 456 additions and 60 deletions
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asm/loong64_assemble.go
+9 -4
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@@ -527,13 +527,18 @@ func encodeLOONG64Branch(instr *ast.Instr, mnem string, pc int, offsets map[stri
}
return l64wordLE(l64irr16(l64branchTable["JIRL"], 0, rj, rd)), nil
}
// Direct symbol: sym+off(SB) → bl with an R_CALLLOONG64 relocation (the
// linker fills the offset), as the toolchain does for CALL/BL/JAL.
if op.Addr.Sym != nil && op.Addr.Sym.Pseudo == "SB" && link {
// Direct symbol: sym+off(SB) → b/bl with an R_CALLLOONG64 relocation
// (the linker fills the offset), as the toolchain does for CALL/BL/JAL
// and for tail-calling JMP.
if op.Addr.Sym != nil && op.Addr.Sym.Pseudo == "SB" {
opc := l64jumpTable["B"]
if link {
opc = l64jumpTable["BL"]
}
if relocs != nil {
*relocs = append(*relocs, Reloc{Off: 0, After: 4, Name: op.Addr.Sym.Name, Kind: RelLoong64Branch, Addend: op.Addr.Sym.Offset})
}
return l64wordLE(l64bbl(l64jumpTable["BL"], 0)), nil
return l64wordLE(l64bbl(opc, 0)), nil
}
// Direct: label → b/bl.
target := resolve(l64Label(op))