Partial ILP32 support for aarch64.

	* sysdeps/aarch64/crti.S: Add include of sysdep.h.
	(call_weak_fn): Use PTR_REG to get correct reg name in ILP32.
	* sysdeps/aarch64/dl-irel.h: Add include of sysdep.h.
	(elf_irela): Use AARCH64_R macro to get correct relocation in ILP32.
	* sysdeps/aarch64/dl-machine.h: Add include of sysdep.h.
	(elf_machine_load_address, RTLD_START, RTLD_START_1, RTLD_START,
	elf_machine_type_class, ELF_MACHINE_JMP_SLOT, elf_machine_rela,
	elf_machine_lazy_rel): Add ifdef's for ILP32 support.
	* sysdeps/aarch64/dl-tlsdesc.S (_dl_tlsdesc_return,
	_dl_tlsdesc_return_lazy, _dl_tlsdesc_dynamic,
	_dl_tlsdesc_resolve_hold): Extend pointers in ILP32, use PTR_REG
	to get correct reg name for ILP32.
	* sysdeps/aarch64/dl-trampoline.S (ip01): New Macro.
	(RELA_SIZE): New Macro.
	(_dl_runtime_resolve, _dl_runtime_profile): Use new macros and PTR_REG
	to support ILP32.
	* sysdeps/aarch64/jmpbuf-unwind.h (_JMPBUF_CFA_UNWINDS_ADJ): Add
	cast for ILP32 mode.
	* sysdeps/aarch64/memcmp.S (memcmp): Extend arg pointers for ILP32 mode.
	* sysdeps/aarch64/memcpy.S (memmove, memcpy): Ditto.
	* sysdeps/aarch64/memset.S (__memset): Ditto.
	* sysdeps/aarch64/strchr.S (strchr): Ditto.
	* sysdeps/aarch64/strchrnul.S (__strchrnul): Ditto.
	* sysdeps/aarch64/strcmp.S (strcmp): Ditto.
	* sysdeps/aarch64/strcpy.S (strcpy): Ditto.
	* sysdeps/aarch64/strlen.S (__strlen): Ditto.
	* sysdeps/aarch64/strncmp.S (strncmp): Ditto.
	* sysdeps/aarch64/strnlen.S (strnlen): Ditto.
	* sysdeps/aarch64/strrchr.S (strrchr): Ditto.
	* sysdeps/unix/sysv/linux/aarch64/clone.S: Ditto.
	* sysdeps/unix/sysv/linux/aarch64/setcontext.S (__setcontext): Ditto.
	* sysdeps/unix/sysv/linux/aarch64/swapcontext.S (__swapcontext): Ditto.
	* sysdeps/aarch64/__longjmp.S (__longjmp): Extend pointers in ILP32,
	change PTR_MANGLE call to use register numbers instead of names.
	* sysdeps/unix/sysv/linux/aarch64/getcontext.S (__getcontext): Ditto.
	* sysdeps/aarch64/setjmp.S (__sigsetjmp): Extend arg pointers for
	ILP32 mode, change PTR_MANGLE calls to use register numbers.
	* sysdeps/aarch64/start.S (_start): Ditto.
	* sysdeps/aarch64/nptl/bits/pthreadtypes.h
	(__PTHREAD_RWLOCK_INT_FLAGS_SHARED): New define.
	(__SIZEOF_PTHREAD_ATTR_T, __SIZEOF_PTHREAD_MUTEX_T,
	__SIZEOF_PTHREAD_MUTEXATTR_T, __SIZEOF_PTHREAD_COND_T,
	__SIZEOF_PTHREAD_COND_COMPAT_T, __SIZEOF_PTHREAD_CONDATTR_T,
	__SIZEOF_PTHREAD_RWLOCK_T, __SIZEOF_PTHREAD_RWLOCKATTR_T,
	__SIZEOF_PTHREAD_BARRIER_T, __SIZEOF_PTHREAD_BARRIERATTR_T):
	Make defined values dependent on __ILP32__.
	* sysdeps/aarch64/nptl/bits/semaphore.h (__SIZEOF_SEM_T): Change define.
	(sem_t): Change __align type.
	* sysdeps/aarch64/sysdep.h (AARCH64_R, PTR_REG, PTR_LOG_SIZE, DELOUSE,
	PTR_SIZE): New Macros.
	(LDST_PCREL, LDST_GLOBAL) Update to use PTR_REG.
	* sysdeps/unix/sysv/linux/aarch64/bits/fcntl.h (O_LARGEFILE):
	Set when in ILP32 mode.
	(F_GETLK64, F_SETLK64, F_SETLKW64): Only set in LP64 mode.
	* sysdeps/unix/sysv/linux/aarch64/dl-cache.h (DL_CACHE_DEFAULT_ID):
	Set elf flags for ILP32.
	(add_system_dir): Set ILP32 library directories.
	* sysdeps/unix/sysv/linux/aarch64/init-first.c
	(_libc_vdso_platform_setup): Set minimum kernel version for ILP32.
	* sysdeps/unix/sysv/linux/aarch64/ldconfig.h
	(SYSDEP_KNOWN_INTERPRETER_NAMES): Add ILP32 names.
	* sysdeps/unix/sysv/linux/aarch64/sigcontextinfo.h (GET_PC, SET_PC):
	New Macros.
	* sysdeps/unix/sysv/linux/aarch64/sysdep.h: Handle ILP32 pointers.

34 files changed, 384 insertions, 167 deletions

diff --git a/ChangeLog b/ChangeLog
index 5719580afb..0474b4fe6b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,72 @@
+2016-11-28  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
+	    Yury Norov  <ynorov@caviumnetworks.com>
+	    Steve Ellcey  <sellcey@caviumnetworks.com>
+
+	* sysdeps/aarch64/crti.S: Add include of sysdep.h.
+	(call_weak_fn): Use PTR_REG to get correct reg name in ILP32.
+	* sysdeps/aarch64/dl-irel.h: Add include of sysdep.h.
+	(elf_irela): Use AARCH64_R macro to get correct relocation in ILP32.
+	* sysdeps/aarch64/dl-machine.h: Add include of sysdep.h.
+	(elf_machine_load_address, RTLD_START, RTLD_START_1, RTLD_START,
+	elf_machine_type_class, ELF_MACHINE_JMP_SLOT, elf_machine_rela,
+	elf_machine_lazy_rel): Add ifdef's for ILP32 support.
+	* sysdeps/aarch64/dl-tlsdesc.S (_dl_tlsdesc_return,
+	_dl_tlsdesc_return_lazy, _dl_tlsdesc_dynamic,
+	_dl_tlsdesc_resolve_hold): Extend pointers in ILP32, use PTR_REG
+	to get correct reg name for ILP32.
+	* sysdeps/aarch64/dl-trampoline.S (ip01): New Macro.
+	(RELA_SIZE): New Macro.
+	(_dl_runtime_resolve, _dl_runtime_profile): Use new macros and PTR_REG
+	to support ILP32.
+	* sysdeps/aarch64/jmpbuf-unwind.h (_JMPBUF_CFA_UNWINDS_ADJ): Add
+	cast for ILP32 mode.
+	* sysdeps/aarch64/memcmp.S (memcmp): Extend arg pointers for ILP32 mode.
+	* sysdeps/aarch64/memcpy.S (memmove, memcpy): Ditto.
+	* sysdeps/aarch64/memset.S (__memset): Ditto.
+	* sysdeps/aarch64/strchr.S (strchr): Ditto.
+	* sysdeps/aarch64/strchrnul.S (__strchrnul): Ditto.
+	* sysdeps/aarch64/strcmp.S (strcmp): Ditto.
+	* sysdeps/aarch64/strcpy.S (strcpy): Ditto.
+	* sysdeps/aarch64/strlen.S (__strlen): Ditto.
+	* sysdeps/aarch64/strncmp.S (strncmp): Ditto.
+	* sysdeps/aarch64/strnlen.S (strnlen): Ditto.
+	* sysdeps/aarch64/strrchr.S (strrchr): Ditto.
+	* sysdeps/unix/sysv/linux/aarch64/clone.S: Ditto.
+	* sysdeps/unix/sysv/linux/aarch64/setcontext.S (__setcontext): Ditto.
+	* sysdeps/unix/sysv/linux/aarch64/swapcontext.S (__swapcontext): Ditto.
+	* sysdeps/aarch64/__longjmp.S (__longjmp): Extend pointers in ILP32,
+	change PTR_MANGLE call to use register numbers instead of names.
+	* sysdeps/unix/sysv/linux/aarch64/getcontext.S (__getcontext): Ditto.
+	* sysdeps/aarch64/setjmp.S (__sigsetjmp): Extend arg pointers for
+	ILP32 mode, change PTR_MANGLE calls to use register numbers.
+	* sysdeps/aarch64/start.S (_start): Ditto.
+	* sysdeps/aarch64/nptl/bits/pthreadtypes.h
+	(__PTHREAD_RWLOCK_INT_FLAGS_SHARED): New define.
+	(__SIZEOF_PTHREAD_ATTR_T, __SIZEOF_PTHREAD_MUTEX_T,
+	__SIZEOF_PTHREAD_MUTEXATTR_T, __SIZEOF_PTHREAD_COND_T,
+	__SIZEOF_PTHREAD_COND_COMPAT_T, __SIZEOF_PTHREAD_CONDATTR_T,
+	__SIZEOF_PTHREAD_RWLOCK_T, __SIZEOF_PTHREAD_RWLOCKATTR_T,
+	__SIZEOF_PTHREAD_BARRIER_T, __SIZEOF_PTHREAD_BARRIERATTR_T):
+	Make defined values dependent on __ILP32__.
+	* sysdeps/aarch64/nptl/bits/semaphore.h (__SIZEOF_SEM_T): Change define.
+	(sem_t): Change __align type.
+	* sysdeps/aarch64/sysdep.h (AARCH64_R, PTR_REG, PTR_LOG_SIZE, DELOUSE,
+	PTR_SIZE): New Macros.
+	(LDST_PCREL, LDST_GLOBAL) Update to use PTR_REG.
+	* sysdeps/unix/sysv/linux/aarch64/bits/fcntl.h (O_LARGEFILE):
+	Set when in ILP32 mode.
+	(F_GETLK64, F_SETLK64, F_SETLKW64): Only set in LP64 mode.
+	* sysdeps/unix/sysv/linux/aarch64/dl-cache.h (DL_CACHE_DEFAULT_ID):
+	Set elf flags for ILP32.
+	(add_system_dir): Set ILP32 library directories.
+	* sysdeps/unix/sysv/linux/aarch64/init-first.c
+	(_libc_vdso_platform_setup): Set minimum kernel version for ILP32.
+	* sysdeps/unix/sysv/linux/aarch64/ldconfig.h
+	(SYSDEP_KNOWN_INTERPRETER_NAMES): Add ILP32 names.
+	* sysdeps/unix/sysv/linux/aarch64/sigcontextinfo.h (GET_PC, SET_PC):
+	New Macros.
+	* sysdeps/unix/sysv/linux/aarch64/sysdep.h: Handle ILP32 pointers.
+
 2016-11-28  Steve Ellcey  <sellcey@caviumnetworks.com>
 
 	* sysdeps/unix/sysv/linux/fstatfs64.c: Reorder include files,
diff --git a/sysdeps/aarch64/__longjmp.S b/sysdeps/aarch64/__longjmp.S
index 65116be557..4d411fe3f9 100644
--- a/sysdeps/aarch64/__longjmp.S
+++ b/sysdeps/aarch64/__longjmp.S
@@ -46,6 +46,8 @@ ENTRY (__longjmp)
 	cfi_offset(d14, JB_D14<<3)
 	cfi_offset(d15, JB_D15<<3)
 
+	DELOUSE (0)
+
 	ldp	x19, x20, [x0, #JB_X19<<3]
 	ldp	x21, x22, [x0, #JB_X21<<3]
 	ldp	x23, x24, [x0, #JB_X23<<3]
@@ -53,7 +55,7 @@ ENTRY (__longjmp)
 	ldp	x27, x28, [x0, #JB_X27<<3]
 #ifdef PTR_DEMANGLE
 	ldp	x29,  x4, [x0, #JB_X29<<3]
-	PTR_DEMANGLE (x30, x4, x3, x2)
+	PTR_DEMANGLE (30, 4, 3, 2)
 #else
 	ldp	x29, x30, [x0, #JB_X29<<3]
 #endif
@@ -98,7 +100,7 @@ ENTRY (__longjmp)
 	cfi_same_value(d15)
 #ifdef PTR_DEMANGLE
 	ldr	x4, [x0, #JB_SP<<3]
-	PTR_DEMANGLE (x5, x4, x3, x2)
+	PTR_DEMANGLE (5, 4, 3, 2)
 #else
 	ldr	x5, [x0, #JB_SP<<3]
 #endif
diff --git a/sysdeps/aarch64/crti.S b/sysdeps/aarch64/crti.S
index 53ccb42587..5c42fd5b91 100644
--- a/sysdeps/aarch64/crti.S
+++ b/sysdeps/aarch64/crti.S
@@ -39,6 +39,7 @@
    they can be called as functions.  The symbols _init and _fini are
    magic and cause the linker to emit DT_INIT and DT_FINI.  */
 
+#include <sysdep.h>
 #include <libc-symbols.h>
 
 #ifndef PREINIT_FUNCTION
@@ -60,7 +61,7 @@
 	.type	call_weak_fn, %function
 call_weak_fn:
 	adrp	x0, :got:PREINIT_FUNCTION
-	ldr	x0, [x0, #:got_lo12:PREINIT_FUNCTION]
+	ldr	PTR_REG (0), [x0, #:got_lo12:PREINIT_FUNCTION]
 	cbz	x0, 1f
 	b	PREINIT_FUNCTION
 1:
diff --git a/sysdeps/aarch64/dl-irel.h b/sysdeps/aarch64/dl-irel.h
index 63a8e506eb..460454f0d5 100644
--- a/sysdeps/aarch64/dl-irel.h
+++ b/sysdeps/aarch64/dl-irel.h
@@ -23,6 +23,7 @@
 #include <stdio.h>
 #include <unistd.h>
 #include <ldsodefs.h>
+#include <sysdep.h>
 
 #define ELF_MACHINE_IRELA	1
 
@@ -40,7 +41,7 @@ elf_irela (const ElfW(Rela) *reloc)
   ElfW(Addr) *const reloc_addr = (void *) reloc->r_offset;
   const unsigned long int r_type = ELFW(R_TYPE) (reloc->r_info);
 
-  if (__glibc_likely (r_type == R_AARCH64_IRELATIVE))
+  if (__glibc_likely (r_type == AARCH64_R(IRELATIVE)))
     {
       ElfW(Addr) value = elf_ifunc_invoke (reloc->r_addend);
       *reloc_addr = value;
diff --git a/sysdeps/aarch64/dl-machine.h b/sysdeps/aarch64/dl-machine.h
index 282805e396..24b51a95d5 100644
--- a/sysdeps/aarch64/dl-machine.h
+++ b/sysdeps/aarch64/dl-machine.h
@@ -21,6 +21,7 @@
 
 #define ELF_MACHINE_NAME "aarch64"
 
+#include <sysdep.h>
 #include <tls.h>
 #include <dl-tlsdesc.h>
 #include <dl-irel.h>
@@ -53,19 +54,33 @@ elf_machine_load_address (void)
      by constructing a non GOT reference to the symbol, the dynamic
      address of the symbol we compute using adrp/add to compute the
      symbol's address relative to the PC.
-     This depends on 32bit relocations being resolved at link time
-     and that the static address fits in the 32bits.  */
+     This depends on 32/16bit relocations being resolved at link time
+     and that the static address fits in the 32/16 bits.  */
 
   ElfW(Addr) static_addr;
   ElfW(Addr) dynamic_addr;
 
   asm ("					\n"
 "	adrp	%1, _dl_start;			\n"
+#ifdef __LP64__
 "	add	%1, %1, #:lo12:_dl_start	\n"
+#else
+"	add	%w1, %w1, #:lo12:_dl_start	\n"
+#endif
 "	ldr	%w0, 1f				\n"
 "	b	2f				\n"
 "1:						\n"
+#ifdef __LP64__
 "	.word	_dl_start			\n"
+#else
+# ifdef __AARCH64EB__
+"	.short  0                               \n"
+# endif
+"	.short  _dl_start                       \n"
+# ifndef __AARCH64EB__
+"	.short  0                               \n"
+# endif
+#endif
 "2:						\n"
     : "=r" (static_addr),  "=r" (dynamic_addr));
   return dynamic_addr - static_addr;
@@ -125,80 +140,86 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
 /* Initial entry point for the dynamic linker. The C function
    _dl_start is the real entry point, its return value is the user
    program's entry point */
+#ifdef __LP64__
+# define RTLD_START RTLD_START_1 ("x", "3", "sp")
+#else
+# define RTLD_START RTLD_START_1 ("w", "2", "wsp")
+#endif
 
-#define RTLD_START asm ("\
-.text								\n\
-.globl _start							\n\
-.type _start, %function						\n\
-.globl _dl_start_user						\n\
-.type _dl_start_user, %function					\n\
-_start:								\n\
-	mov	x0,	sp					\n\
-	bl	_dl_start					\n\
-	// returns user entry point in x0			\n\
-	mov	x21, x0						\n\
-_dl_start_user:							\n\
-	// get the original arg count				\n\
-	ldr	x1, [sp]					\n\
-	// get the argv address					\n\
-	add	x2, sp, #8					\n\
-	// get _dl_skip_args to see if we were			\n\
-	// invoked as an executable				\n\
-	adrp	x4, _dl_skip_args				\n\
-        ldr	w4, [x4, #:lo12:_dl_skip_args]			\n\
-	// do we need to adjust argc/argv			\n\
-        cmp	w4, 0						\n\
-	beq	.L_done_stack_adjust				\n\
-	// subtract _dl_skip_args from original arg count	\n\
-	sub	x1, x1, x4					\n\
-	// store adjusted argc back to stack			\n\
-	str	x1, [sp]					\n\
-	// find the first unskipped argument			\n\
-	mov	x3, x2						\n\
-	add	x4, x2, x4, lsl #3				\n\
-	// shuffle argv down					\n\
-1:	ldr	x5, [x4], #8					\n\
-	str	x5, [x3], #8					\n\
-	cmp	x5, #0						\n\
-	bne	1b						\n\
-	// shuffle envp down					\n\
-1:	ldr	x5, [x4], #8					\n\
-	str	x5, [x3], #8					\n\
-	cmp	x5, #0						\n\
-	bne	1b						\n\
-	// shuffle auxv down					\n\
-1:	ldp	x0, x5, [x4, #16]!				\n\
-	stp	x0, x5, [x3], #16				\n\
-	cmp	x0, #0						\n\
-	bne	1b						\n\
-	// Update _dl_argv					\n\
-	adrp	x3, _dl_argv					\n\
-	str	x2, [x3, #:lo12:_dl_argv]			\n\
-.L_done_stack_adjust:						\n\
-	// compute envp						\n\
-	add	x3, x2, x1, lsl #3				\n\
-	add	x3, x3, #8					\n\
-	adrp	x16, _rtld_local				\n\
-        add	x16, x16, #:lo12:_rtld_local			\n\
-        ldr	x0, [x16]					\n\
-	bl	_dl_init					\n\
-	// load the finalizer function				\n\
-	adrp	x0, _dl_fini					\n\
-	add	x0, x0, #:lo12:_dl_fini				\n\
-	// jump to the user_s entry point			\n\
-	br      x21						\n\
+
+#define RTLD_START_1(PTR, PTR_SIZE_LOG, PTR_SP) asm ("\
+.text									\n\
+.globl _start								\n\
+.type _start, %function							\n\
+.globl _dl_start_user							\n\
+.type _dl_start_user, %function						\n\
+_start:									\n\
+	mov	" PTR "0, " PTR_SP "					\n\
+	bl	_dl_start						\n\
+	// returns user entry point in x0				\n\
+	mov	x21, x0							\n\
+_dl_start_user:								\n\
+	// get the original arg count					\n\
+	ldr	" PTR "1, [sp]						\n\
+	// get the argv address						\n\
+	add	" PTR "2, " PTR_SP ", #(1<<"  PTR_SIZE_LOG ")		\n\
+	// get _dl_skip_args to see if we were				\n\
+	// invoked as an executable					\n\
+	adrp	x4, _dl_skip_args					\n\
+        ldr	w4, [x4, #:lo12:_dl_skip_args]				\n\
+	// do we need to adjust argc/argv				\n\
+        cmp	w4, 0							\n\
+	beq	.L_done_stack_adjust					\n\
+	// subtract _dl_skip_args from original arg count		\n\
+	sub	" PTR "1, " PTR "1, " PTR "4				\n\
+	// store adjusted argc back to stack				\n\
+	str	" PTR "1, [sp]						\n\
+	// find the first unskipped argument				\n\
+	mov	" PTR "3, " PTR "2					\n\
+	add	" PTR "4, " PTR "2, " PTR "4, lsl #" PTR_SIZE_LOG "	\n\
+	// shuffle argv down						\n\
+1:	ldr	" PTR "5, [x4], #(1<<"  PTR_SIZE_LOG ")			\n\
+	str	" PTR "5, [x3], #(1<<"  PTR_SIZE_LOG ")			\n\
+	cmp	" PTR "5, #0						\n\
+	bne	1b							\n\
+	// shuffle envp down						\n\
+1:	ldr	" PTR "5, [x4], #(1<<"  PTR_SIZE_LOG ")			\n\
+	str	" PTR "5, [x3], #(1<<"  PTR_SIZE_LOG ")			\n\
+	cmp	" PTR "5, #0						\n\
+	bne	1b							\n\
+	// shuffle auxv down						\n\
+1:	ldp	" PTR "0, " PTR "5, [x4, #(2<<"  PTR_SIZE_LOG ")]!	\n\
+	stp	" PTR "0, " PTR "5, [x3], #(2<<"  PTR_SIZE_LOG ")	\n\
+	cmp	" PTR "0, #0						\n\
+	bne	1b							\n\
+	// Update _dl_argv						\n\
+	adrp	x3, _dl_argv						\n\
+	str	" PTR "2, [x3, #:lo12:_dl_argv]				\n\
+.L_done_stack_adjust:							\n\
+	// compute envp							\n\
+	add	" PTR "3, " PTR "2, " PTR "1, lsl #" PTR_SIZE_LOG "	\n\
+	add	" PTR "3, " PTR "3, #(1<<"  PTR_SIZE_LOG ")		\n\
+	adrp	x16, _rtld_local					\n\
+        add	" PTR "16, " PTR "16, #:lo12:_rtld_local		\n\
+        ldr	" PTR "0, [x16]						\n\
+	bl	_dl_init						\n\
+	// load the finalizer function					\n\
+	adrp	x0, _dl_fini						\n\
+	add	" PTR "0, " PTR "0, #:lo12:_dl_fini			\n\
+	// jump to the user_s entry point				\n\
+	br      x21							\n\
 ");
 
 #define elf_machine_type_class(type)					\
-  ((((type) == R_AARCH64_JUMP_SLOT ||					\
-     (type) == R_AARCH64_TLS_DTPMOD ||					\
-     (type) == R_AARCH64_TLS_DTPREL ||					\
-     (type) == R_AARCH64_TLS_TPREL ||					\
-     (type) == R_AARCH64_TLSDESC) * ELF_RTYPE_CLASS_PLT)		\
-   | (((type) == R_AARCH64_COPY) * ELF_RTYPE_CLASS_COPY)		\
-   | (((type) == R_AARCH64_GLOB_DAT) * ELF_RTYPE_CLASS_EXTERN_PROTECTED_DATA))
+  ((((type) == AARCH64_R(JUMP_SLOT)					\
+     || (type) == AARCH64_R(TLS_DTPMOD)					\
+     || (type) == AARCH64_R(TLS_DTPREL)					\
+     || (type) == AARCH64_R(TLS_TPREL)					\
+     || (type) == AARCH64_R(TLSDESC)) * ELF_RTYPE_CLASS_PLT)		\
+   | (((type) == AARCH64_R(COPY)) * ELF_RTYPE_CLASS_COPY)		\
+   | (((type) == AARCH64_R(GLOB_DAT)) * ELF_RTYPE_CLASS_EXTERN_PROTECTED_DATA))
 
-#define ELF_MACHINE_JMP_SLOT	R_AARCH64_JUMP_SLOT
+#define ELF_MACHINE_JMP_SLOT	AARCH64_R(JUMP_SLOT)
 
 /* AArch64 uses RELA not REL */
 #define ELF_MACHINE_NO_REL 1
@@ -237,9 +258,9 @@ elf_machine_rela (struct link_map *map, const ElfW(Rela) *reloc,
 		  void *const reloc_addr_arg, int skip_ifunc)
 {
   ElfW(Addr) *const reloc_addr = reloc_addr_arg;
-  const unsigned int r_type = ELF64_R_TYPE (reloc->r_info);
+  const unsigned int r_