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-rw-r--r--lib/std/debug.zig251
1 files changed, 3 insertions, 248 deletions
diff --git a/lib/std/debug.zig b/lib/std/debug.zig
index acc3f36412..9c1d211805 100644
--- a/lib/std/debug.zig
+++ b/lib/std/debug.zig
@@ -2317,11 +2317,11 @@ fn handleSegfaultWindows(info: *windows.EXCEPTION_POINTERS) callconv(.Stdcall) c
}
}
-// zig won't let me use an anon enum here
+// zig won't let me use an anon enum here https://github.com/ziglang/zig/issues/3707
fn handleSegfaultWindowsExtra(info: *windows.EXCEPTION_POINTERS, comptime msg: u8, comptime format: ?[]const u8) noreturn {
const exception_address = @ptrToInt(info.ExceptionRecord.ExceptionAddress);
- if (comptime windows_exception_context.haveContext) {
- const regs = windows_exception_context.getRegs(info.ContextRecord);
+ if (@hasDecl(windows, "CONTEXT")) {
+ const regs = info.ContextRecord.getRegs();
switch (msg) {
0 => std.debug.warn("{}\n", .{format.?}),
1 => std.debug.warn("Segmentation fault at address 0x{x}\n", .{info.ExceptionRecord.ExceptionInformation[1]}),
@@ -2341,251 +2341,6 @@ fn handleSegfaultWindowsExtra(info: *windows.EXCEPTION_POINTERS, comptime msg: u
}
}
-pub const windows_exception_context = switch (builtin.arch) {
- .i386 => struct {
- pub const haveContext = true;
-
- pub fn getRegs(ptr: *c_void) struct {bp: usize, ip: usize} {
- const ctx = @ptrCast(*const CONTEXT, @alignCast(@alignOf(CONTEXT), ptr));
- return .{.bp = @intCast(usize, ctx.Ebp), .ip = @intCast(usize, ctx.Eip)};
- }
-
- pub const CONTEXT = extern struct {
- ContextFlags: DWORD,
- Dr0: DWORD,
- Dr1: DWORD,
- Dr2: DWORD,
- Dr3: DWORD,
- Dr6: DWORD,
- Dr7: DWORD,
- FloatSave: FLOATING_SAVE_AREA,
- SegGs: DWORD,
- SegFs: DWORD,
- SegEs: DWORD,
- SegDs: DWORD,
- Edi: DWORD,
- Esi: DWORD,
- Ebx: DWORD,
- Edx: DWORD,
- Ecx: DWORD,
- Eax: DWORD,
- Ebp: DWORD,
- Eip: DWORD,
- SegCs: DWORD,
- EFlags: DWORD,
- Esp: DWORD,
- SegSs: DWORD,
- ExtendedRegisters: [512]BYTE,
- };
-
- pub const FLOATING_SAVE_AREA = extern struct {
- ControlWord: DWORD,
- StatusWord: DWORD,
- TagWord: DWORD,
- ErrorOffset: DWORD,
- ErrorSelector: DWORD,
- DataOffset: DWORD,
- DataSelector: DWORD,
- RegisterArea: [80]BYTE,
- Cr0NpxState: DWORD,
- };
-
- pub const BYTE = u8;
- pub const DWORD = c_ulong;
- },
- .x86_64 => struct {
- pub const haveContext = true;
-
- pub fn getRegs(ptr: *c_void) struct {bp: usize, ip: usize} {
- const ctx = @ptrCast(*const CONTEXT, @alignCast(@alignOf(CONTEXT), ptr));
- return .{.bp = @intCast(usize, ctx.Rbp), .ip = @intCast(usize, ctx.Rip)};
- }
-
- pub const CONTEXT = extern struct {
- P1Home: DWORD64,
- P2Home: DWORD64,
- P3Home: DWORD64,
- P4Home: DWORD64,
- P5Home: DWORD64,
- P6Home: DWORD64,
- ContextFlags: DWORD,
- MxCsr: DWORD,
- SegCs: WORD,
- SegDs: WORD,
- SegEs: WORD,
- SegFs: WORD,
- SegGs: WORD,
- SegSs: WORD,
- EFlags: DWORD,
- Dr0: DWORD64,
- Dr1: DWORD64,
- Dr2: DWORD64,
- Dr3: DWORD64,
- Dr6: DWORD64,
- Dr7: DWORD64,
- Rax: DWORD64,
- Rcx: DWORD64,
- Rdx: DWORD64,
- Rbx: DWORD64,
- Rsp: DWORD64,
- Rbp: DWORD64,
- Rsi: DWORD64,
- Rdi: DWORD64,
- R8: DWORD64,
- R9: DWORD64,
- R10: DWORD64,
- R11: DWORD64,
- R12: DWORD64,
- R13: DWORD64,
- R14: DWORD64,
- R15: DWORD64,
- Rip: DWORD64,
- DUMMYUNIONNAME: extern union {
- FltSave: XMM_SAVE_AREA32,
- FloatSave: XMM_SAVE_AREA32,
- DUMMYSTRUCTNAME: extern struct {
- Header: [2]M128A,
- Legacy: [8]M128A,
- Xmm0: M128A,
- Xmm1: M128A,
- Xmm2: M128A,
- Xmm3: M128A,
- Xmm4: M128A,
- Xmm5: M128A,
- Xmm6: M128A,
- Xmm7: M128A,
- Xmm8: M128A,
- Xmm9: M128A,
- Xmm10: M128A,
- Xmm11: M128A,
- Xmm12: M128A,
- Xmm13: M128A,
- Xmm14: M128A,
- Xmm15: M128A,
- },
- },
- VectorRegister: [26]M128A,
- VectorControl: DWORD64,
- DebugControl: DWORD64,
- LastBranchToRip: DWORD64,
- LastBranchFromRip: DWORD64,
- LastExceptionToRip: DWORD64,
- LastExceptionFromRip: DWORD64,
- };
-
- pub const XMM_SAVE_AREA32 = extern struct {
- ControlWord: WORD,
- StatusWord: WORD,
- TagWord: BYTE,
- Reserved1: BYTE,
- ErrorOpcode: WORD,
- ErrorOffset: DWORD,
- ErrorSelector: WORD,
- Reserved2: WORD,
- DataOffset: DWORD,
- DataSelector: WORD,
- Reserved3: WORD,
- MxCsr: DWORD,
- MxCsr_Mask: DWORD,
- FloatRegisters: [8]M128A,
- XmmRegisters: [16]M128A,
- Reserved4: [96]BYTE,
- };
-
- pub const M128A = extern struct {
- Low: ULONGLONG,
- High: LONGLONG,
- };
-
- pub const BYTE = u8;
- pub const WORD = u16;
- pub const DWORD = u32;
- pub const DWORD64 = u64;
- pub const LONGLONG = c_longlong;
- pub const ULONGLONG = c_ulonglong;
- },
- .aarch64 => struct {
- pub const haveContext = true;
-
- pub fn getRegs(ptr: *c_void) struct {bp: usize, ip: usize} {
- const ctx = @ptrCast(*const CONTEXT, @alignCast(@alignOf(CONTEXT), ptr));
- return .{.bp = @intCast(usize, ctx.Fp), .ip = @intCast(usize, ctx.Pc)};
- }
-
- pub const CONTEXT = extern struct {
- ContextFlags: ULONG,
- Cpsr: ULONG,
- DUMMYUNIONNAME: extern union {
- DUMMYSTRUCTNAME: extern struct {
- X0: DWORD64,
- X1: DWORD64,
- X2: DWORD64,
- X3: DWORD64,
- X4: DWORD64,
- X5: DWORD64,
- X6: DWORD64,
- X7: DWORD64,
- X8: DWORD64,
- X9: DWORD64,
- X10: DWORD64,
- X11: DWORD64,
- X12: DWORD64,
- X13: DWORD64,
- X14: DWORD64,
- X15: DWORD64,
- X16: DWORD64,
- X17: DWORD64,
- X18: DWORD64,
- X19: DWORD64,
- X20: DWORD64,
- X21: DWORD64,
- X22: DWORD64,
- X23: DWORD64,
- X24: DWORD64,
- X25: DWORD64,
- X26: DWORD64,
- X27: DWORD64,
- X28: DWORD64,
- Fp: DWORD64,
- Lr: DWORD64,
- },
- X: [31]DWORD64,
- },
- Sp: DWORD64,
- Pc: DWORD64,
- V: [32]NEON128,
- Fpcr: DWORD,
- Fpsr: DWORD,
- Bcr: [8]DWORD,
- Bvr: [8]DWORD64,
- Wcr: [2]DWORD,
- Wvr: [2]DWORD64,
- };
-
- pub const NEON128 = extern union {
- DUMMYSTRUCTNAME: extern struct {
- Low: ULONGLONG,
- High: LONGLONG,
- },
- D: [2]f64,
- S: [4]f32,
- H: [8]WORD,
- B: [16]BYTE,
- };
-
- pub const ULONG = c_ulong;
- pub const LONGLONG = c_longlong;
- pub const ULONGLONG = c_ulonglong;
- pub const BYTE = u8;
- pub const WORD = c_ushort;
- pub const DWORD = c_ulong;
- pub const DWORD64 = c_ulonglong;
- },
- else => struct {
- pub const haveContext = false;
- },
-};
-
pub fn dumpStackPointerAddr(prefix: []const u8) void {
const sp = asm (""
: [argc] "={rsp}" (-> usize)
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