zig

commit f6403ed5ea05bcdbb55da15ee65204b1c8cdf423 (tree)
parent feba8a83a7c4eda738ebcf619c33ade8d0dfbfa7
Author: Alex Rønne Petersen <alex@alexrp.com>
Date:   Tue,  7 Oct 2025 02:13:43 +0200

std.debug.Dwarf: use 67 as the (fake) PowerPC PC register

It's free real estate, as it turns out.

Diffstat:
M
lib/std/debug/Dwarf.zig
 | 
2
+-
M
lib/std/debug/cpu_context.zig
 | 
2
+-

2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/std/debug/Dwarf.zig b/lib/std/debug/Dwarf.zig
@@ -1434,7 +1434,7 @@ pub fn ipRegNum(arch: std.Target.Cpu.Arch) ?u16 {
         .hexagon => 76,
         .loongarch32, .loongarch64 => 64,
         .mips, .mipsel, .mips64, .mips64el => 37,
-        .powerpc, .powerpcle, .powerpc64, .powerpc64le => 357,
+        .powerpc, .powerpcle, .powerpc64, .powerpc64le => 67,
         .riscv32, .riscv32be, .riscv64, .riscv64be => 65,
         .s390x => 65,
         .x86 => 8,
diff --git a/lib/std/debug/cpu_context.zig b/lib/std/debug/cpu_context.zig
@@ -918,7 +918,7 @@ pub const Powerpc = extern struct {
         switch (register_num) {
             0...31 => return @ptrCast(&ctx.r[register_num]),
             65 => return @ptrCast(&ctx.lr),
-            357 => return @ptrCast(&ctx.pc),
+            67 => return @ptrCast(&ctx.pc),
 
             else => return error.InvalidRegister,
         }