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#ifndef __CR_ASM_RESTORER_H__
#define __CR_ASM_RESTORER_H__
#include "asm/types.h"
#include "images/core.pb-c.h"
#include "sigframe.h"
#define RUN_CLONE_RESTORE_FN(ret, clone_flags, new_sp, parent_tid, \
thread_args, clone_restore_fn) \
asm volatile( \
"clone_emul: \n" \
"ldr r1, %2 \n" \
"sub r1, #16 \n" \
"mov r0, %6 \n" \
"str r0, [r1, #4] \n" \
"mov r0, %5 \n" \
"str r0, [r1] \n" \
"mov r0, %1 \n" \
"mov r2, %3 \n" \
"mov r3, %4 \n" \
"mov r7, #"__stringify(__NR_clone)" \n" \
"svc #0 \n" \
\
"cmp r0, #0 \n" \
"beq thread_run \n" \
\
"mov %0, r0 \n" \
"b clone_end \n" \
\
"thread_run: \n" \
"pop { r1 } \n" \
"pop { r0 } \n" \
"bx r1 \n" \
\
"clone_end: \n" \
: "=r"(ret) \
: "r"(clone_flags), \
"m"(new_sp), \
"r"(&parent_tid), \
"r"(&thread_args[i].pid), \
"r"(clone_restore_fn), \
"r"(&thread_args[i]) \
: "r0", "r1", "r2", "r3", "r7", "memory")
#define ARCH_FAIL_CORE_RESTORE \
asm volatile( \
"mov sp, %0 \n" \
"mov r0, #0 \n" \
"bx r0 \n" \
: \
: "r"(ret) \
: "memory")
#define kdat_compat_sigreturn_test() 0
int restore_gpregs(struct rt_sigframe *f, UserArmRegsEntry *r);
int restore_nonsigframe_gpregs(UserArmRegsEntry *r);
static inline void restore_tls(tls_t *ptls) {
asm (
"mov r7, #15 \n"
"lsl r7, #16 \n"
"mov r0, #5 \n"
"add r7, r0 \n" /* r7 = 0xF005 */
"ldr r0, [%0] \n"
"svc #0 \n"
:
: "r"(ptls)
: "r0", "r7"
);
}
static inline void *alloc_compat_syscall_stack(void) { return NULL; }
static inline void free_compat_syscall_stack(void *stack32) { }
static inline int
arch_compat_rt_sigaction(void *stack, int sig, void *act) { return -1; }
#endif
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