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