| 1 | // RUN: %clang_cc1 -emit-llvm -triple arm-none-eabi -o - %s | FileCheck %s |
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| 2 | // Test that global variables, statics and functions are attached section-attributes |
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| 3 | // as per '#pragma clang section' directives. |
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| 4 | |
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| 5 | extern "C" { |
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| 6 | // test with names for each section |
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| 7 | #pragma clang section bss="my_bss.1" data="my_data.1" rodata="my_rodata.1" |
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| 8 | #pragma clang section text="my_text.1" |
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| 9 | int a; // my_bss.1 |
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| 10 | int b = 1; // my_data.1 |
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| 11 | int c[4]; // my_bss.1 |
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| 12 | short d[5] = {0}; // my_bss.1 |
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| 13 | short e[6] = {0, 0, 1}; // my_data.1 |
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| 14 | extern const int f; |
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| 15 | const int f = 2; // my_rodata.1 |
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| 16 | int foo(void) { // my_text.1 |
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| 17 | return b; |
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| 18 | } |
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| 19 | static int g[2]; // my_bss.1 |
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| 20 | #pragma clang section bss="" |
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| 21 | int h; // default - .bss |
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| 22 | #pragma clang section data="" bss="my_bss.2" text="my_text.2" |
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| 23 | int i = 0; // my_bss.2 |
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| 24 | extern const int j; |
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| 25 | const int j = 4; // default - .rodata |
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| 26 | int k; // my_bss.2 |
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| 27 | extern int zoo(int *x, int *y); |
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| 28 | int goo(void) { // my_text.2 |
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| 29 | static int lstat_h; // my_bss.2 |
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| 30 | return zoo(g, &lstat_h); |
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| 31 | } |
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| 32 | #pragma clang section rodata="my_rodata.2" data="my_data.2" |
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| 33 | int l = 5; // my_data.2 |
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| 34 | extern const int m; |
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| 35 | const int m = 6; // my_rodata.2 |
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| 36 | #pragma clang section rodata="" data="" bss="" text="" |
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| 37 | int n; // default |
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| 38 | int o = 6; // default |
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| 39 | extern const int p; |
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| 40 | const int p = 7; // default |
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| 41 | int hoo(void) { |
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| 42 | return b; |
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| 43 | } |
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| 44 | } |
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| 45 | //CHECK: @a = global i32 0, align 4 #0 |
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| 46 | //CHECK: @b = global i32 1, align 4 #0 |
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| 47 | //CHECK: @c = global [4 x i32] zeroinitializer, align 4 #0 |
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| 48 | //CHECK: @d = global [5 x i16] zeroinitializer, align 2 #0 |
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| 49 | //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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| 50 | //CHECK: @f = constant i32 2, align 4 #0 |
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| 51 | |
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| 52 | //CHECK: @h = global i32 0, align 4 #1 |
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| 53 | //CHECK: @i = global i32 0, align 4 #2 |
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| 54 | //CHECK: @j = constant i32 4, align 4 #2 |
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| 55 | //CHECK: @k = global i32 0, align 4 #2 |
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| 56 | //CHECK: @_ZZ3gooE7lstat_h = internal global i32 0, align 4 #2 |
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| 57 | //CHECK: @_ZL1g = internal global [2 x i32] zeroinitializer, align 4 #0 |
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| 58 | |
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| 59 | //CHECK: @l = global i32 5, align 4 #3 |
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| 60 | //CHECK: @m = constant i32 6, align 4 #3 |
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| 61 | |
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| 62 | //CHECK: @n = global i32 0, align 4 |
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| 63 | //CHECK: @o = global i32 6, align 4 |
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| 64 | //CHECK: @p = constant i32 7, align 4 |
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| 65 | |
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| 66 | //CHECK: define i32 @foo() #4 { |
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| 67 | //CHECK: define i32 @goo() #5 { |
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| 68 | //CHECK: declare i32 @zoo(i32*, i32*) #6 |
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| 69 | //CHECK: define i32 @hoo() #7 { |
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| 70 | |
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| 71 | //CHECK: attributes #0 = { "bss-section"="my_bss.1" "data-section"="my_data.1" "rodata-section"="my_rodata.1" } |
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| 72 | //CHECK: attributes #1 = { "data-section"="my_data.1" "rodata-section"="my_rodata.1" } |
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| 73 | //CHECK: attributes #2 = { "bss-section"="my_bss.2" "rodata-section"="my_rodata.1" } |
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| 74 | //CHECK: attributes #3 = { "bss-section"="my_bss.2" "data-section"="my_data.2" "rodata-section"="my_rodata.2" } |
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| 75 | //CHECK: attributes #4 = { {{.*"implicit-section-name"="my_text.1".*}} } |
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| 76 | //CHECK: attributes #5 = { {{.*"implicit-section-name"="my_text.2".*}} } |
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| 77 | //CHECK-NOT: attributes #6 = { {{.*"implicit-section-name".*}} } |
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| 78 | //CHECK-NOT: attributes #7 = { {{.*"implicit-section-name".*}} } |
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| 79 | |
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