| // This file is generated from a similarly-named Perl script in the BoringSSL |
| // source tree. Do not edit by hand. |
| |
| #if !defined(__has_feature) |
| #define __has_feature(x) 0 |
| #endif |
| #if __has_feature(memory_sanitizer) && !defined(OPENSSL_NO_ASM) |
| #define OPENSSL_NO_ASM |
| #endif |
| |
| #if !defined(OPENSSL_NO_ASM) |
| #if defined(BORINGSSL_PREFIX) |
| #include <boringssl_prefix_symbols_asm.h> |
| #endif |
| .syntax unified |
| |
| |
| |
| |
| .text |
| |
| @ abi_test_trampoline loads callee-saved registers from |state|, calls |func| |
| @ with |argv|, then saves the callee-saved registers into |state|. It returns |
| @ the result of |func|. The |unwind| argument is unused. |
| @ uint32_t abi_test_trampoline(void (*func)(...), CallerState *state, |
| @ const uint32_t *argv, size_t argc, |
| @ int unwind); |
| |
| .globl _abi_test_trampoline |
| .private_extern _abi_test_trampoline |
| .align 4 |
| _abi_test_trampoline: |
| @ Save parameters and all callee-saved registers. For convenience, we |
| @ save r9 on iOS even though it's volatile. |
| vstmdb sp!, {d8,d9,d10,d11,d12,d13,d14,d15} |
| stmdb sp!, {r0,r1,r2,r3,r4,r5,r6,r7,r8,r9,r10,r11,lr} |
| |
| @ Reserve stack space for six (10-4) stack parameters, plus an extra 4 |
| @ bytes to keep it 8-byte-aligned (see AAPCS, section 5.3). |
| sub sp, sp, #28 |
| |
| @ Every register in AAPCS is either non-volatile or a parameter (except |
| @ r9 on iOS), so this code, by the actual call, loses all its scratch |
| @ registers. First fill in stack parameters while there are registers |
| @ to spare. |
| cmp r3, #4 |
| bls Lstack_args_done |
| mov r4, sp @ r4 is the output pointer. |
| add r5, r2, r3, lsl #2 @ Set r5 to the end of argv. |
| add r2, r2, #16 @ Skip four arguments. |
| Lstack_args_loop: |
| ldr r6, [r2], #4 |
| cmp r2, r5 |
| str r6, [r4], #4 |
| bne Lstack_args_loop |
| |
| Lstack_args_done: |
| @ Load registers from |r1|. |
| vldmia r1!, {d8,d9,d10,d11,d12,d13,d14,d15} |
| #if defined(__APPLE__) |
| @ r9 is not volatile on iOS. |
| ldmia r1!, {r4,r5,r6,r7,r8,r10-r11} |
| #else |
| ldmia r1!, {r4,r5,r6,r7,r8,r9,r10,r11} |
| #endif |
| |
| @ Load register parameters. This uses up our remaining registers, so we |
| @ repurpose lr as scratch space. |
| ldr r3, [sp, #40] @ Reload argc. |
| ldr lr, [sp, #36] @ Load argv into lr. |
| cmp r3, #3 |
| bhi Larg_r3 |
| beq Larg_r2 |
| cmp r3, #1 |
| bhi Larg_r1 |
| beq Larg_r0 |
| b Largs_done |
| |
| Larg_r3: |
| ldr r3, [lr, #12] @ argv[3] |
| Larg_r2: |
| ldr r2, [lr, #8] @ argv[2] |
| Larg_r1: |
| ldr r1, [lr, #4] @ argv[1] |
| Larg_r0: |
| ldr r0, [lr] @ argv[0] |
| Largs_done: |
| |
| @ With every other register in use, load the function pointer into lr |
| @ and call the function. |
| ldr lr, [sp, #28] |
| blx lr |
| |
| @ r1-r3 are free for use again. The trampoline only supports |
| @ single-return functions. Pass r4-r11 to the caller. |
| ldr r1, [sp, #32] |
| vstmia r1!, {d8,d9,d10,d11,d12,d13,d14,d15} |
| #if defined(__APPLE__) |
| @ r9 is not volatile on iOS. |
| stmia r1!, {r4,r5,r6,r7,r8,r10-r11} |
| #else |
| stmia r1!, {r4,r5,r6,r7,r8,r9,r10,r11} |
| #endif |
| |
| @ Unwind the stack and restore registers. |
| add sp, sp, #44 @ 44 = 28+16 |
| ldmia sp!, {r4,r5,r6,r7,r8,r9,r10,r11,lr} @ Skip r0-r3 (see +16 above). |
| vldmia sp!, {d8,d9,d10,d11,d12,d13,d14,d15} |
| |
| bx lr |
| |
| |
| .globl _abi_test_clobber_r0 |
| .private_extern _abi_test_clobber_r0 |
| .align 4 |
| _abi_test_clobber_r0: |
| mov r0, #0 |
| bx lr |
| |
| |
| .globl _abi_test_clobber_r1 |
| .private_extern _abi_test_clobber_r1 |
| .align 4 |
| _abi_test_clobber_r1: |
| mov r1, #0 |
| bx lr |
| |
| |
| .globl _abi_test_clobber_r2 |
| .private_extern _abi_test_clobber_r2 |
| .align 4 |
| _abi_test_clobber_r2: |
| mov r2, #0 |
| bx lr |
| |
| |
| .globl _abi_test_clobber_r3 |
| .private_extern _abi_test_clobber_r3 |
| .align 4 |
| _abi_test_clobber_r3: |
| mov r3, #0 |
| bx lr |
| |
| |
| .globl _abi_test_clobber_r4 |
| .private_extern _abi_test_clobber_r4 |
| .align 4 |
| _abi_test_clobber_r4: |
| mov r4, #0 |
| bx lr |
| |
| |
| .globl _abi_test_clobber_r5 |
| .private_extern _abi_test_clobber_r5 |
| .align 4 |
| _abi_test_clobber_r5: |
| mov r5, #0 |
| bx lr |
| |
| |
| .globl _abi_test_clobber_r6 |
| .private_extern _abi_test_clobber_r6 |
| .align 4 |
| _abi_test_clobber_r6: |
| mov r6, #0 |
| bx lr |
| |
| |
| .globl _abi_test_clobber_r7 |
| .private_extern _abi_test_clobber_r7 |
| .align 4 |
| _abi_test_clobber_r7: |
| mov r7, #0 |
| bx lr |
| |
| |
| .globl _abi_test_clobber_r8 |
| .private_extern _abi_test_clobber_r8 |
| .align 4 |
| _abi_test_clobber_r8: |
| mov r8, #0 |
| bx lr |
| |
| |
| .globl _abi_test_clobber_r9 |
| .private_extern _abi_test_clobber_r9 |
| .align 4 |
| _abi_test_clobber_r9: |
| mov r9, #0 |
| bx lr |
| |
| |
| .globl _abi_test_clobber_r10 |
| .private_extern _abi_test_clobber_r10 |
| .align 4 |
| _abi_test_clobber_r10: |
| mov r10, #0 |
| bx lr |
| |
| |
| .globl _abi_test_clobber_r11 |
| .private_extern _abi_test_clobber_r11 |
| .align 4 |
| _abi_test_clobber_r11: |
| mov r11, #0 |
| bx lr |
| |
| |
| .globl _abi_test_clobber_r12 |
| .private_extern _abi_test_clobber_r12 |
| .align 4 |
| _abi_test_clobber_r12: |
| mov r12, #0 |
| bx lr |
| |
| |
| .globl _abi_test_clobber_d0 |
| .private_extern _abi_test_clobber_d0 |
| .align 4 |
| _abi_test_clobber_d0: |
| mov r0, #0 |
| vmov s0, r0 |
| vmov s1, r0 |
| bx lr |
| |
| |
| .globl _abi_test_clobber_d1 |
| .private_extern _abi_test_clobber_d1 |
| .align 4 |
| _abi_test_clobber_d1: |
| mov r0, #0 |
| vmov s2, r0 |
| vmov s3, r0 |
| bx lr |
| |
| |
| .globl _abi_test_clobber_d2 |
| .private_extern _abi_test_clobber_d2 |
| .align 4 |
| _abi_test_clobber_d2: |
| mov r0, #0 |
| vmov s4, r0 |
| vmov s5, r0 |
| bx lr |
| |
| |
| .globl _abi_test_clobber_d3 |
| .private_extern _abi_test_clobber_d3 |
| .align 4 |
| _abi_test_clobber_d3: |
| mov r0, #0 |
| vmov s6, r0 |
| vmov s7, r0 |
| bx lr |
| |
| |
| .globl _abi_test_clobber_d4 |
| .private_extern _abi_test_clobber_d4 |
| .align 4 |
| _abi_test_clobber_d4: |
| mov r0, #0 |
| vmov s8, r0 |
| vmov s9, r0 |
| bx lr |
| |
| |
| .globl _abi_test_clobber_d5 |
| .private_extern _abi_test_clobber_d5 |
| .align 4 |
| _abi_test_clobber_d5: |
| mov r0, #0 |
| vmov s10, r0 |
| vmov s11, r0 |
| bx lr |
| |
| |
| .globl _abi_test_clobber_d6 |
| .private_extern _abi_test_clobber_d6 |
| .align 4 |
| _abi_test_clobber_d6: |
| mov r0, #0 |
| vmov s12, r0 |
| vmov s13, r0 |
| bx lr |
| |
| |
| .globl _abi_test_clobber_d7 |
| .private_extern _abi_test_clobber_d7 |
| .align 4 |
| _abi_test_clobber_d7: |
| mov r0, #0 |
| vmov s14, r0 |
| vmov s15, r0 |
| bx lr |
| |
| |
| .globl _abi_test_clobber_d8 |
| .private_extern _abi_test_clobber_d8 |
| .align 4 |
| _abi_test_clobber_d8: |
| mov r0, #0 |
| vmov s16, r0 |
| vmov s17, r0 |
| bx lr |
| |
| |
| .globl _abi_test_clobber_d9 |
| .private_extern _abi_test_clobber_d9 |
| .align 4 |
| _abi_test_clobber_d9: |
| mov r0, #0 |
| vmov s18, r0 |
| vmov s19, r0 |
| bx lr |
| |
| |
| .globl _abi_test_clobber_d10 |
| .private_extern _abi_test_clobber_d10 |
| .align 4 |
| _abi_test_clobber_d10: |
| mov r0, #0 |
| vmov s20, r0 |
| vmov s21, r0 |
| bx lr |
| |
| |
| .globl _abi_test_clobber_d11 |
| .private_extern _abi_test_clobber_d11 |
| .align 4 |
| _abi_test_clobber_d11: |
| mov r0, #0 |
| vmov s22, r0 |
| vmov s23, r0 |
| bx lr |
| |
| |
| .globl _abi_test_clobber_d12 |
| .private_extern _abi_test_clobber_d12 |
| .align 4 |
| _abi_test_clobber_d12: |
| mov r0, #0 |
| vmov s24, r0 |
| vmov s25, r0 |
| bx lr |
| |
| |
| .globl _abi_test_clobber_d13 |
| .private_extern _abi_test_clobber_d13 |
| .align 4 |
| _abi_test_clobber_d13: |
| mov r0, #0 |
| vmov s26, r0 |
| vmov s27, r0 |
| bx lr |
| |
| |
| .globl _abi_test_clobber_d14 |
| .private_extern _abi_test_clobber_d14 |
| .align 4 |
| _abi_test_clobber_d14: |
| mov r0, #0 |
| vmov s28, r0 |
| vmov s29, r0 |
| bx lr |
| |
| |
| .globl _abi_test_clobber_d15 |
| .private_extern _abi_test_clobber_d15 |
| .align 4 |
| _abi_test_clobber_d15: |
| mov r0, #0 |
| vmov s30, r0 |
| vmov s31, r0 |
| bx lr |
| |
| #endif // !OPENSSL_NO_ASM |
