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This patch produces the correct pointer size
value in the 64 bit .eh_frame section. It doesn't however allow exception handling to work yet since it depends on the correct relocation model being set in the ELF header flags. Contributer: Jack Carter git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171881 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -24,6 +24,10 @@ MipsMCAsmInfo::MipsMCAsmInfo(const Target &T, StringRef TT) {
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(TheTriple.getArch() == Triple::mips64))
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IsLittleEndian = false;
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if ((TheTriple.getArch() == Triple::mips64el) ||
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(TheTriple.getArch() == Triple::mips64))
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PointerSize = 8;
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AlignmentIsInBytes = false;
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Data16bitsDirective = "\t.2byte\t";
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Data32bitsDirective = "\t.4byte\t";
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52
test/MC/Mips/ef_frame.ll
Normal file
52
test/MC/Mips/ef_frame.ll
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@ -0,0 +1,52 @@
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; This tests .eh_frame CIE descriptor for the.
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; Data alignment factor
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; RUN: llc -filetype=obj -mcpu=mips64r2 -mattr=n64 -march=mips64el %s -o - \
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; RUN: | llvm-objdump -s - | FileCheck %s
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; N64
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; CHECK: Contents of section .eh_frame:
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; CHECK-NEXT: 0000 1c000000 00000000 017a504c 52000178 .........zPLR..x
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; CHECK-NEXT: 0010 1f0b0000 00000000 00000000 000c1d00 ................
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; CHECK-NEXT: 0020 2c000000 24000000 00000000 00000000 ,...$...........
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; CHECK-NEXT: 0030 7c000000 00000000 08000000 00000000 |...............
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; CHECK-NEXT: 0040 00440e10 489f019c 02000000 00000000 .D..H...........
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; ModuleID = 'simple_throw.cpp'
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@_ZTIi = external constant i8*
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@str = private unnamed_addr constant [7 x i8] c"All ok\00"
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define i32 @main() {
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entry:
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%exception.i = tail call i8* @__cxa_allocate_exception(i64 4) nounwind
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%0 = bitcast i8* %exception.i to i32*
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store i32 5, i32* %0, align 4
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invoke void @__cxa_throw(i8* %exception.i, i8* bitcast (i8** @_ZTIi to i8*), i8* null) noreturn
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to label %.noexc unwind label %return
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.noexc: ; preds = %entry
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unreachable
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return: ; preds = %entry
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%1 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
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catch i8* null
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%2 = extractvalue { i8*, i32 } %1, 0
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%3 = tail call i8* @__cxa_begin_catch(i8* %2) nounwind
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%puts = tail call i32 @puts(i8* getelementptr inbounds ([7 x i8]* @str, i64 0, i64 0))
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tail call void @__cxa_end_catch()
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ret i32 0
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}
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declare i32 @__gxx_personality_v0(...)
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declare i8* @__cxa_begin_catch(i8*)
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declare void @__cxa_end_catch()
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declare i8* @__cxa_allocate_exception(i64)
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declare void @__cxa_throw(i8*, i8*, i8*)
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declare i32 @puts(i8* nocapture) nounwind
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