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std.debug.SelfInfo.Elf: don't support DWARF unwinding for Hexagon and PowerPC

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As for SPARC, FP-based unwinding is superior on these.
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Alex Rønne Petersen 2025-10-14 23:18:20 +02:00
parent 0ace906477
commit f21a78b5a3
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1 changed files with 4 additions and 16 deletions
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lib/std/debug/SelfInfo/Elf.zig
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@ -94,28 +94,22 @@ pub const can_unwind: bool = s: {
// Notably, we are yet to support unwinding on ARM. There, unwinding is not done through
// `.eh_frame`, but instead with the `.ARM.exidx` section, which has a different format.
const archs: []const std.Target.Cpu.Arch = switch (builtin.target.os.tag) {
// Not supported yet: arm, m68k, sparc64
// Not supported yet: arm, m68k
.haiku => &.{
.aarch64,
.powerpc,
.riscv64,
.x86,
.x86_64,
},
// Not supported yet: arc, arm/armeb/thumb/thumbeb, csky, m68k, or1k, sparc/sparc64, xtensa
// Not supported yet: arc, arm/armeb/thumb/thumbeb, csky, m68k, or1k, xtensa
.linux => &.{
.aarch64,
.aarch64_be,
.hexagon,
.loongarch64,
.mips,
.mipsel,
.mips64,
.mips64el,
.powerpc,
.powerpcle,
.powerpc64,
.powerpc64le,
.riscv32,
.riscv64,
.s390x,
@ -134,28 +128,23 @@ pub const can_unwind: bool = s: {
// Not supported yet: arm
.freebsd => &.{
.aarch64,
.powerpc64,
.powerpc64le,
.riscv64,
.x86_64,
},
// Not supported yet: arm/armeb, m68k, mips64/mips64el, sparc/sparc64
// Not supported yet: arm/armeb, m68k, mips64/mips64el
.netbsd => &.{
.aarch64,
.aarch64_be,
.mips,
.mipsel,
.powerpc,
.x86,
.x86_64,
},
// Not supported yet: arm, sparc64
// Not supported yet: arm
.openbsd => &.{
.aarch64,
.mips64,
.mips64el,
.powerpc,
.powerpc64,
.riscv64,
.x86,
.x86_64,
@ -165,7 +154,6 @@ pub const can_unwind: bool = s: {
.x86,
.x86_64,
},
// Not supported yet: sparc64
.solaris => &.{
.x86_64,
},