Commit 9a6fad2706

Alex Rønne Petersen <alex@alexrp.com>
2025-10-07 00:39:56
std.debug.Dwarf: use 64 as the (fake) LoongArch PC register
32-63 conflict with the floating point registers.
master
1 parent aa74eb5
Changed files (2)
lib
std
debug
cpu_context.zig
Dwarf.zig
lib/std/debug/cpu_context.zig
@@ -700,7 +700,7 @@ pub const LoongArch = extern struct {
     pub fn dwarfRegisterBytes(ctx: *LoongArch, register_num: u16) DwarfRegisterError![]u8 {
         switch (register_num) {
             0...31 => return @ptrCast(&ctx.r[register_num]),
-            32 => return @ptrCast(&ctx.pc),
+            64 => return @ptrCast(&ctx.pc),
 
             else => return error.InvalidRegister,
         }
lib/std/debug/Dwarf.zig
@@ -1432,7 +1432,7 @@ pub fn ipRegNum(arch: std.Target.Cpu.Arch) ?u16 {
         .aarch64, .aarch64_be => 32,
         .arm, .armeb, .thumb, .thumbeb => 15,
         .hexagon => 76,
-        .loongarch32, .loongarch64 => 32,
+        .loongarch32, .loongarch64 => 64,
         .mips, .mipsel, .mips64, .mips64el => 37,
         .powerpc, .powerpcle, .powerpc64, .powerpc64le => 357,
         .riscv32, .riscv32be, .riscv64, .riscv64be => 32,