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84 lines
3.1 KiB
84 lines
3.1 KiB
4 months ago
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// RUN: %clang_cc1 -emit-llvm -triple arm-none-eabi -o - %s | FileCheck %s
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// Test that global variables, statics and functions are attached section-attributes
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// as per '#pragma clang section' directives.
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extern "C" {
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// test with names for each section
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#pragma clang section bss="my_bss.1" data="my_data.1" rodata="my_rodata.1"
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#pragma clang section text="my_text.1"
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int a; // my_bss.1
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int b = 1; // my_data.1
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int c[4]; // my_bss.1
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short d[5] = {0}; // my_bss.1
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short e[6] = {0, 0, 1}; // my_data.1
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extern const int f;
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const int f = 2; // my_rodata.1
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int foo(void) { // my_text.1
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return b;
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}
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static int g[2]; // my_bss.1
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#pragma clang section bss=""
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int h; // default - .bss
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#pragma clang section data="" bss="my_bss.2" text="my_text.2"
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int i = 0; // my_bss.2
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extern const int j;
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const int j = 4; // default - .rodata
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int k; // my_bss.2
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extern int zoo(int *x, int *y);
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int goo(void) { // my_text.2
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static int lstat_h; // my_bss.2
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return zoo(g, &lstat_h);
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}
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#pragma clang section rodata="my_rodata.2" data="my_data.2" relro="my_relro.2"
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int l = 5; // my_data.2
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extern const int m;
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const int m = 6; // my_rodata.2
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typedef int (*fptr_t)(void);
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const fptr_t fptrs[2] = {&foo, &goo};
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#pragma clang section rodata="" data="" bss="" text=""
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int n; // default
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int o = 6; // default
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extern const int p;
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const int p = 7; // default
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int hoo(void) {
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return b + fptrs[f]();
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}
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}
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//CHECK: @a = global i32 0, align 4 #0
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//CHECK: @b = global i32 1, align 4 #0
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//CHECK: @c = global [4 x i32] zeroinitializer, align 4 #0
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//CHECK: @d = global [5 x i16] zeroinitializer, align 2 #0
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//CHECK: @e = global [6 x i16] [i16 0, i16 0, i16 1, i16 0, i16 0, i16 0], align 2 #0
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//CHECK: @f = constant i32 2, align 4 #0
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//CHECK: @h = global i32 0, align 4 #1
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//CHECK: @i = global i32 0, align 4 #2
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//CHECK: @j = constant i32 4, align 4 #2
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//CHECK: @k = global i32 0, align 4 #2
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//CHECK: @_ZZ3gooE7lstat_h = internal global i32 0, align 4 #2
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//CHECK: @_ZL1g = internal global [2 x i32] zeroinitializer, align 4 #0
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//CHECK: @l = global i32 5, align 4 #3
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//CHECK: @m = constant i32 6, align 4 #3
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//CHECK: @n = global i32 0, align 4
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//CHECK: @o = global i32 6, align 4
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//CHECK: @p = constant i32 7, align 4
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//CHECK: @_ZL5fptrs = internal constant [2 x i32 ()*] [i32 ()* @foo, i32 ()* @goo], align 4 #3
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//CHECK: define i32 @foo() #5 {
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//CHECK: define i32 @goo() #6 {
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//CHECK: declare i32 @zoo(i32*, i32*) #7
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//CHECK: define i32 @hoo() #8 {
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//CHECK: attributes #0 = { "bss-section"="my_bss.1" "data-section"="my_data.1" "rodata-section"="my_rodata.1" }
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//CHECK: attributes #1 = { "data-section"="my_data.1" "rodata-section"="my_rodata.1" }
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//CHECK: attributes #2 = { "bss-section"="my_bss.2" "rodata-section"="my_rodata.1" }
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//CHECK: attributes #3 = { "bss-section"="my_bss.2" "data-section"="my_data.2" "relro-section"="my_relro.2" "rodata-section"="my_rodata.2" }
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//CHECK: attributes #4 = { "relro-section"="my_relro.2" }
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//CHECK: attributes #5 = { {{.*"implicit-section-name"="my_text.1".*}} }
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//CHECK: attributes #6 = { {{.*"implicit-section-name"="my_text.2".*}} }
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//CHECK-NOT: attributes #7 = { {{.*"implicit-section-name".*}} }
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//CHECK-NOT: attributes #8 = { {{.*"implicit-section-name".*}} }
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