forked from OSchip/llvm-project
84 lines
3.2 KiB
C++
84 lines
3.2 KiB
C++
// 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".*}} }
|