// 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" int l = 5; // my_data.2 extern const int m; const int m = 6; // my_rodata.2 #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; } } //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: define i32 @foo() #4 { //CHECK: define i32 @goo() #5 { //CHECK: declare i32 @zoo(i32*, i32*) #6 //CHECK: define i32 @hoo() #7 { //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" "rodata-section"="my_rodata.2" } //CHECK: attributes #4 = { {{.*"implicit-section-name"="my_text.1".*}} } //CHECK: attributes #5 = { {{.*"implicit-section-name"="my_text.2".*}} } //CHECK-NOT: attributes #6 = { {{.*"implicit-section-name".*}} } //CHECK-NOT: attributes #7 = { {{.*"implicit-section-name".*}} } |