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stage2: fix crash_report segfault compile error

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Regressed in 05cf69209e44c59f838f94ab355485d2d3a0432a.
This commit is contained in:
Andrew Kelley 2022-02-07 17:11:26 -08:00
parent 9bbfbacae0
commit a15d2d582b
1 changed files with 9 additions and 2 deletions
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11
src/crash_report.zig
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@ -4,6 +4,7 @@ const debug = std.debug;
const os = std.os;
const io = std.io;
const print_zir = @import("print_zir.zig");
const native_os = builtin.os.tag;
const Module = @import("Module.zig");
const Sema = @import("Sema.zig");
@ -233,9 +234,15 @@ fn handleSegfaultPosix(sig: i32, info: *const os.siginfo_t, ctx_ptr: ?*const any
},
.aarch64 => ctx: {
const ctx = @ptrCast(*const os.ucontext_t, @alignCast(@alignOf(os.ucontext_t), ctx_ptr));
const ip = @intCast(usize, ctx.mcontext.pc);
const ip = switch (native_os) {
.macos => @intCast(usize, ctx.mcontext.ss.pc),
else => @intCast(usize, ctx.mcontext.pc),
};
// x29 is the ABI-designated frame pointer
const bp = @intCast(usize, ctx.mcontext.regs[29]);
const bp = switch (native_os) {
.macos => @intCast(usize, ctx.mcontext.ss.fp),
else => @intCast(usize, ctx.mcontext.regs[29]),
};
break :ctx StackContext{ .exception = .{ .bp = bp, .ip = ip } };
},
else => .not_supported,