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Only load setjmp/longjmp from Zig on aarch64

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Ayaz Hafiz 2022-04-28 09:13:29 -04:00
parent fbf4cd11ff
commit 0bc85ad32c
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GPG key ID: 0E2A37416A25EF58
3 changed files with 114 additions and 19 deletions
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11
compiler/builtins/bitcode/src/main.zig
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@ -1,4 +1,5 @@
const std = @import("std");
const builtin = @import("builtin");
const math = std.math;
const utils = @import("utils.zig");
const expect = @import("expect.zig");
@ -161,6 +162,11 @@ comptime {
exportExpectFn(expect.deinitFailuresC, "deinit_failures");
@export(utils.panic, .{ .name = "roc_builtins.utils." ++ "panic", .linkage = .Weak });
if (builtin.target.cpu.arch == .aarch64) {
@export(__roc_force_setjmp, .{ .name = "__roc_force_setjmp", .linkage = .Weak });
@export(__roc_force_longjmp, .{ .name = "__roc_force_longjmp", .linkage = .Weak });
}
}
// Utils continued - SJLJ
@ -177,10 +183,10 @@ pub extern fn sigsetjmp([*c]c_int, c_int) c_int;
pub extern fn siglongjmp([*c]c_int, c_int) noreturn;
pub extern fn longjmperror() void;
// Zig won't expose the externs (and hence link correctly) unless we force them to be used.
pub export fn __roc_force_setjmp(it: [*c]c_int) c_int {
fn __roc_force_setjmp(it: [*c]c_int) callconv(.C) c_int {
return setjmp(it);
}
pub export fn __roc_force_longjmp(a0: [*c]c_int, a1: c_int) noreturn {
fn __roc_force_longjmp(a0: [*c]c_int, a1: c_int) callconv(.C) noreturn {
longjmp(a0, a1);
}
@ -214,7 +220,6 @@ fn exportExpectFn(comptime func: anytype, comptime func_name: []const u8) void {
// Custom panic function, as builtin Zig version errors during LLVM verification
pub fn panic(message: []const u8, stacktrace: ?*std.builtin.StackTrace) noreturn {
const builtin = @import("builtin");
if (builtin.is_test) {
std.debug.print("{s}: {?}", .{ message, stacktrace });
} else {