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// This test checks dynamic relocations support for aarch64.
// RUN: %clang %cflags -pie -fPIC %S/Inputs/runtime_relocs.c \
// RUN: -shared -fuse-ld=lld -o %t.so -Wl,-q -Wl,-soname=rel.so
// RUN: %clang %cflags -no-pie %s -fuse-ld=lld \
// RUN: -o %t.exe -Wl,-q %t.so
// RUN: llvm-bolt %t.so -o %t.bolt.so -use-old-text=0 -lite=0
// RUN: llvm-bolt %t.exe -o %t.bolt.exe -use-old-text=0 -lite=0
// RUN: LD_PRELOAD=%t.bolt.so %t.bolt.exe
// Check relocations in library:
//
// RUN: llvm-readelf -r %t.bolt.so | FileCheck %s -check-prefix=CHECKLIB
//
// CHECKLIB: 0000000600000401 R_AARCH64_GLOB_DAT {{.*}} a + 0
// CHECKLIB: 0000000700000407 R_AARCH64_TLSDESC {{.*}} t1 + 0
// CHECKLIB: 0000000600000101 R_AARCH64_ABS64 {{.*}} a + 0
// Check relocations in executable:
//
// RUN: llvm-readelf -r %t.bolt.exe | FileCheck %s -check-prefix=CHECKEXE
//
// CHECKEXE: 0000000600000406 R_AARCH64_TLS_TPREL64 {{.*}} t1 + 0
// CHECKEXE: 0000000800000400 R_AARCH64_COPY {{.*}} a + 0
// CHECKEXE: 0000000700000402 R_AARCH64_JUMP_SLOT {{.*}} inc + 0
// Check traditional TLS relocations R_AARCH64_TLS_DTPMOD64 and
// R_AARCH64_TLS_DTPREL64 emitted correctly after bolt. Since these
// relocations are obsolete and clang and lld does not support them,
// the initial binary was built with gcc and ld with -mtls-dialect=trad flag.
//
// RUN: yaml2obj %p/Inputs/tls_trad.yaml &> %t.trad.so
// RUN: llvm-bolt %t.trad.so -o %t.trad.bolt.so -use-old-text=0 -lite=0
// RUN: llvm-readelf -r %t.trad.so | FileCheck %s -check-prefix=CHECKTRAD
//
// CHECKTRAD: 0000000100000404 R_AARCH64_TLS_DTPMOD64 {{.*}} t1 + 0
// CHECKTRAD: 0000000100000405 R_AARCH64_TLS_DTPREL64 {{.*}} t1 + 0
// The ld linker emits R_AARCH64_TLSDESC to .rela.plt section, check that
// it is emitted correctly.
//
// RUN: yaml2obj %p/Inputs/tls_ld.yaml &> %t.ld.so
// RUN: llvm-bolt %t.ld.so -o %t.ld.bolt.so -use-old-text=0 -lite=0
// RUN: llvm-readelf -r %t.ld.bolt.so | FileCheck %s -check-prefix=CHECKLD
//
// CHECKLD: 0000000100000407 R_AARCH64_TLSDESC {{.*}} t1 + 0
extern int a; // R_*_COPY
extern __thread int t1; // R_*_TLS_TPREL64
int inc(int a); // R_*_JUMP_SLOT
int dec(int a) { return a - 1; }
void *resolver() { return dec; }
int ifuncDec(int a) __attribute__((ifunc("resolver"))); // R_*_IRELATIVE
int main() {
++t1;
ifuncDec(a);
inc(a);
}
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