66 lines
2.0 KiB
LLVM
66 lines
2.0 KiB
LLVM
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; Tests that data and relro are correctly placed in sections
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; specified by "#pragma clang section"
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; RUN: llc -filetype=obj -mtriple x86_64-unknown-linux %s -o - | llvm-readobj -S -t - | FileCheck %s
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux"
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@funcs_relro = hidden constant [2 x i32 ()*] [i32 ()* bitcast (i32 (...)* @func1 to i32 ()*), i32 ()* bitcast (i32 (...)* @func2 to i32 ()*)], align 16 #0
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@var_data = hidden global i32 33, align 4 #0
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declare i32 @func1(...)
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declare i32 @func2(...)
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; Function Attrs: noinline nounwind optnone sspstrong uwtable
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define hidden i32 @foo(i32 %i) {
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entry:
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%i.addr = alloca i32, align 4
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store i32 %i, i32* %i.addr, align 4
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%0 = load i32, i32* %i.addr, align 4
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%idxprom = sext i32 %0 to i64
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%arrayidx = getelementptr inbounds [2 x i32 ()*], [2 x i32 ()*]* @funcs_relro, i64 0, i64 %idxprom
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%1 = load i32 ()*, i32 ()** %arrayidx, align 8
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%call = call i32 %1()
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%2 = load i32, i32* @var_data, align 4
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%add = add nsw i32 %call, %2
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ret i32 %add
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}
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attributes #0 = { "data-section"=".my_data" "relro-section"=".my_relro" "rodata-section"=".my_rodata" }
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; CHECK: Section {
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; CHECK: Index:
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; CHECK: Name: .my_rodata
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; CHECK: Type: SHT_PROGBITS (0x1)
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; CHECK: Flags [ (0x2)
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; CHECK: SHF_ALLOC (0x2)
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; CHECK: ]
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; CHECK: Size: 16
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; CHECK: }
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; CHECK: Section {
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; CHECK: Index:
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; CHECK: Name: .my_data
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; CHECK: Type: SHT_PROGBITS (0x1)
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; CHECK: Flags [ (0x3)
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; CHECK: SHF_ALLOC (0x2)
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; CHECK: SHF_WRITE (0x1)
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; CHECK: ]
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; CHECK: Size: 4
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; CHECK: }
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; CHECK: Symbol {
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; CHECK: Name: funcs_relro
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; CHECK: Value: 0x0
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; CHECK: Size: 16
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; CHECK: Binding: Global (0x1)
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; CHECK: Type: Object (0x1)
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; CHECK: Section: .my_rodata
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; CHECK: }
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; CHECK: Symbol {
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; CHECK: Name: var_data
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; CHECK: Value: 0x0
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; CHECK: Size: 4
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; CHECK: Binding: Global (0x1)
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; CHECK: Type: Object (0x1)
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; CHECK: Section: .my_data
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; CHECK: }
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