// This file is generated from a similarly-named Perl script in the BoringSSL // source tree. Do not edit by hand. #if defined(__has_feature) #if __has_feature(memory_sanitizer) && !defined(OPENSSL_NO_ASM) #define OPENSSL_NO_ASM #endif #endif #if !defined(OPENSSL_NO_ASM) #if defined(BORINGSSL_PREFIX) #include #endif .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. // uint64_t abi_test_trampoline(void (*func)(...), CallerState *state, // const uint64_t *argv, size_t argc, // uint64_t unwind); .globl _abi_test_trampoline .private_extern _abi_test_trampoline .align 4 _abi_test_trampoline: Labi_test_trampoline_begin: // Stack layout (low to high addresses) // x29,x30 (16 bytes) // d8-d15 (64 bytes) // x19-x28 (80 bytes) // x1 (8 bytes) // padding (8 bytes) stp x29, x30, [sp, #-176]! mov x29, sp // Saved callee-saved registers and |state|. stp d8, d9, [sp, #16] stp d10, d11, [sp, #32] stp d12, d13, [sp, #48] stp d14, d15, [sp, #64] stp x19, x20, [sp, #80] stp x21, x22, [sp, #96] stp x23, x24, [sp, #112] stp x25, x26, [sp, #128] stp x27, x28, [sp, #144] str x1, [sp, #160] // Load registers from |state|, with the exception of x29. x29 is the // frame pointer and also callee-saved, but AAPCS64 allows platforms to // mandate that x29 always point to a frame. iOS64 does so, which means // we cannot fill x29 with entropy without violating ABI rules // ourselves. x29 is tested separately below. ldp d8, d9, [x1], #16 ldp d10, d11, [x1], #16 ldp d12, d13, [x1], #16 ldp d14, d15, [x1], #16 ldp x19, x20, [x1], #16 ldp x21, x22, [x1], #16 ldp x23, x24, [x1], #16 ldp x25, x26, [x1], #16 ldp x27, x28, [x1], #16 // Move parameters into temporary registers. mov x9, x0 mov x10, x2 mov x11, x3 // Load parameters into registers. cbz x11, Largs_done ldr x0, [x10], #8 subs x11, x11, #1 b.eq Largs_done ldr x1, [x10], #8 subs x11, x11, #1 b.eq Largs_done ldr x2, [x10], #8 subs x11, x11, #1 b.eq Largs_done ldr x3, [x10], #8 subs x11, x11, #1 b.eq Largs_done ldr x4, [x10], #8 subs x11, x11, #1 b.eq Largs_done ldr x5, [x10], #8 subs x11, x11, #1 b.eq Largs_done ldr x6, [x10], #8 subs x11, x11, #1 b.eq Largs_done ldr x7, [x10], #8 Largs_done: blr x9 // Reload |state| and store registers. ldr x1, [sp, #160] stp d8, d9, [x1], #16 stp d10, d11, [x1], #16 stp d12, d13, [x1], #16 stp d14, d15, [x1], #16 stp x19, x20, [x1], #16 stp x21, x22, [x1], #16 stp x23, x24, [x1], #16 stp x25, x26, [x1], #16 stp x27, x28, [x1], #16 // |func| is required to preserve x29, the frame pointer. We cannot load // random values into x29 (see comment above), so compare it against the // expected value and zero the field of |state| if corrupted. mov x9, sp cmp x29, x9 b.eq Lx29_ok str xzr, [x1] Lx29_ok: // Restore callee-saved registers. ldp d8, d9, [sp, #16] ldp d10, d11, [sp, #32] ldp d12, d13, [sp, #48] ldp d14, d15, [sp, #64] ldp x19, x20, [sp, #80] ldp x21, x22, [sp, #96] ldp x23, x24, [sp, #112] ldp x25, x26, [sp, #128] ldp x27, x28, [sp, #144] ldp x29, x30, [sp], #176 ret .globl _abi_test_clobber_x0 .private_extern _abi_test_clobber_x0 .align 4 _abi_test_clobber_x0: mov x0, xzr ret .globl _abi_test_clobber_x1 .private_extern _abi_test_clobber_x1 .align 4 _abi_test_clobber_x1: mov x1, xzr ret .globl _abi_test_clobber_x2 .private_extern _abi_test_clobber_x2 .align 4 _abi_test_clobber_x2: mov x2, xzr ret .globl _abi_test_clobber_x3 .private_extern _abi_test_clobber_x3 .align 4 _abi_test_clobber_x3: mov x3, xzr ret .globl _abi_test_clobber_x4 .private_extern _abi_test_clobber_x4 .align 4 _abi_test_clobber_x4: mov x4, xzr ret .globl _abi_test_clobber_x5 .private_extern _abi_test_clobber_x5 .align 4 _abi_test_clobber_x5: mov x5, xzr ret .globl _abi_test_clobber_x6 .private_extern _abi_test_clobber_x6 .align 4 _abi_test_clobber_x6: mov x6, xzr ret .globl _abi_test_clobber_x7 .private_extern _abi_test_clobber_x7 .align 4 _abi_test_clobber_x7: mov x7, xzr ret .globl _abi_test_clobber_x8 .private_extern _abi_test_clobber_x8 .align 4 _abi_test_clobber_x8: mov x8, xzr ret .globl _abi_test_clobber_x9 .private_extern _abi_test_clobber_x9 .align 4 _abi_test_clobber_x9: mov x9, xzr ret .globl _abi_test_clobber_x10 .private_extern _abi_test_clobber_x10 .align 4 _abi_test_clobber_x10: mov x10, xzr ret .globl _abi_test_clobber_x11 .private_extern _abi_test_clobber_x11 .align 4 _abi_test_clobber_x11: mov x11, xzr ret .globl _abi_test_clobber_x12 .private_extern _abi_test_clobber_x12 .align 4 _abi_test_clobber_x12: mov x12, xzr ret .globl _abi_test_clobber_x13 .private_extern _abi_test_clobber_x13 .align 4 _abi_test_clobber_x13: mov x13, xzr ret .globl _abi_test_clobber_x14 .private_extern _abi_test_clobber_x14 .align 4 _abi_test_clobber_x14: mov x14, xzr ret .globl _abi_test_clobber_x15 .private_extern _abi_test_clobber_x15 .align 4 _abi_test_clobber_x15: mov x15, xzr ret .globl _abi_test_clobber_x16 .private_extern _abi_test_clobber_x16 .align 4 _abi_test_clobber_x16: mov x16, xzr ret .globl _abi_test_clobber_x17 .private_extern _abi_test_clobber_x17 .align 4 _abi_test_clobber_x17: mov x17, xzr ret .globl _abi_test_clobber_x19 .private_extern _abi_test_clobber_x19 .align 4 _abi_test_clobber_x19: mov x19, xzr ret .globl _abi_test_clobber_x20 .private_extern _abi_test_clobber_x20 .align 4 _abi_test_clobber_x20: mov x20, xzr ret .globl _abi_test_clobber_x21 .private_extern _abi_test_clobber_x21 .align 4 _abi_test_clobber_x21: mov x21, xzr ret .globl _abi_test_clobber_x22 .private_extern _abi_test_clobber_x22 .align 4 _abi_test_clobber_x22: mov x22, xzr ret .globl _abi_test_clobber_x23 .private_extern _abi_test_clobber_x23 .align 4 _abi_test_clobber_x23: mov x23, xzr ret .globl _abi_test_clobber_x24 .private_extern _abi_test_clobber_x24 .align 4 _abi_test_clobber_x24: mov x24, xzr ret .globl _abi_test_clobber_x25 .private_extern _abi_test_clobber_x25 .align 4 _abi_test_clobber_x25: mov x25, xzr ret .globl _abi_test_clobber_x26 .private_extern _abi_test_clobber_x26 .align 4 _abi_test_clobber_x26: mov x26, xzr ret .globl _abi_test_clobber_x27 .private_extern _abi_test_clobber_x27 .align 4 _abi_test_clobber_x27: mov x27, xzr ret .globl _abi_test_clobber_x28 .private_extern _abi_test_clobber_x28 .align 4 _abi_test_clobber_x28: mov x28, xzr ret .globl _abi_test_clobber_x29 .private_extern _abi_test_clobber_x29 .align 4 _abi_test_clobber_x29: mov x29, xzr ret .globl _abi_test_clobber_d0 .private_extern _abi_test_clobber_d0 .align 4 _abi_test_clobber_d0: fmov d0, xzr ret .globl _abi_test_clobber_d1 .private_extern _abi_test_clobber_d1 .align 4 _abi_test_clobber_d1: fmov d1, xzr ret .globl _abi_test_clobber_d2 .private_extern _abi_test_clobber_d2 .align 4 _abi_test_clobber_d2: fmov d2, xzr ret .globl _abi_test_clobber_d3 .private_extern _abi_test_clobber_d3 .align 4 _abi_test_clobber_d3: fmov d3, xzr ret .globl _abi_test_clobber_d4 .private_extern _abi_test_clobber_d4 .align 4 _abi_test_clobber_d4: fmov d4, xzr ret .globl _abi_test_clobber_d5 .private_extern _abi_test_clobber_d5 .align 4 _abi_test_clobber_d5: fmov d5, xzr ret .globl _abi_test_clobber_d6 .private_extern _abi_test_clobber_d6 .align 4 _abi_test_clobber_d6: fmov d6, xzr ret .globl _abi_test_clobber_d7 .private_extern _abi_test_clobber_d7 .align 4 _abi_test_clobber_d7: fmov d7, xzr ret .globl _abi_test_clobber_d8 .private_extern _abi_test_clobber_d8 .align 4 _abi_test_clobber_d8: fmov d8, xzr ret .globl _abi_test_clobber_d9 .private_extern _abi_test_clobber_d9 .align 4 _abi_test_clobber_d9: fmov d9, xzr ret .globl _abi_test_clobber_d10 .private_extern _abi_test_clobber_d10 .align 4 _abi_test_clobber_d10: fmov d10, xzr ret .globl _abi_test_clobber_d11 .private_extern _abi_test_clobber_d11 .align 4 _abi_test_clobber_d11: fmov d11, xzr ret .globl _abi_test_clobber_d12 .private_extern _abi_test_clobber_d12 .align 4 _abi_test_clobber_d12: fmov d12, xzr ret .globl _abi_test_clobber_d13 .private_extern _abi_test_clobber_d13 .align 4 _abi_test_clobber_d13: fmov d13, xzr ret .globl _abi_test_clobber_d14 .private_extern _abi_test_clobber_d14 .align 4 _abi_test_clobber_d14: fmov d14, xzr ret .globl _abi_test_clobber_d15 .private_extern _abi_test_clobber_d15 .align 4 _abi_test_clobber_d15: fmov d15, xzr ret .globl _abi_test_clobber_d16 .private_extern _abi_test_clobber_d16 .align 4 _abi_test_clobber_d16: fmov d16, xzr ret .globl _abi_test_clobber_d17 .private_extern _abi_test_clobber_d17 .align 4 _abi_test_clobber_d17: fmov d17, xzr ret .globl _abi_test_clobber_d18 .private_extern _abi_test_clobber_d18 .align 4 _abi_test_clobber_d18: fmov d18, xzr ret .globl _abi_test_clobber_d19 .private_extern _abi_test_clobber_d19 .align 4 _abi_test_clobber_d19: fmov d19, xzr ret .globl _abi_test_clobber_d20 .private_extern _abi_test_clobber_d20 .align 4 _abi_test_clobber_d20: fmov d20, xzr ret .globl _abi_test_clobber_d21 .private_extern _abi_test_clobber_d21 .align 4 _abi_test_clobber_d21: fmov d21, xzr ret .globl _abi_test_clobber_d22 .private_extern _abi_test_clobber_d22 .align 4 _abi_test_clobber_d22: fmov d22, xzr ret .globl _abi_test_clobber_d23 .private_extern _abi_test_clobber_d23 .align 4 _abi_test_clobber_d23: fmov d23, xzr ret .globl _abi_test_clobber_d24 .private_extern _abi_test_clobber_d24 .align 4 _abi_test_clobber_d24: fmov d24, xzr ret .globl _abi_test_clobber_d25 .private_extern _abi_test_clobber_d25 .align 4 _abi_test_clobber_d25: fmov d25, xzr ret .globl _abi_test_clobber_d26 .private_extern _abi_test_clobber_d26 .align 4 _abi_test_clobber_d26: fmov d26, xzr ret .globl _abi_test_clobber_d27 .private_extern _abi_test_clobber_d27 .align 4 _abi_test_clobber_d27: fmov d27, xzr ret .globl _abi_test_clobber_d28 .private_extern _abi_test_clobber_d28 .align 4 _abi_test_clobber_d28: fmov d28, xzr ret .globl _abi_test_clobber_d29 .private_extern _abi_test_clobber_d29 .align 4 _abi_test_clobber_d29: fmov d29, xzr ret .globl _abi_test_clobber_d30 .private_extern _abi_test_clobber_d30 .align 4 _abi_test_clobber_d30: fmov d30, xzr ret .globl _abi_test_clobber_d31 .private_extern _abi_test_clobber_d31 .align 4 _abi_test_clobber_d31: fmov d31, xzr ret .globl _abi_test_clobber_v8_upper .private_extern _abi_test_clobber_v8_upper .align 4 _abi_test_clobber_v8_upper: fmov v8.d[1], xzr ret .globl _abi_test_clobber_v9_upper .private_extern _abi_test_clobber_v9_upper .align 4 _abi_test_clobber_v9_upper: fmov v9.d[1], xzr ret .globl _abi_test_clobber_v10_upper .private_extern _abi_test_clobber_v10_upper .align 4 _abi_test_clobber_v10_upper: fmov v10.d[1], xzr ret .globl _abi_test_clobber_v11_upper .private_extern _abi_test_clobber_v11_upper .align 4 _abi_test_clobber_v11_upper: fmov v11.d[1], xzr ret .globl _abi_test_clobber_v12_upper .private_extern _abi_test_clobber_v12_upper .align 4 _abi_test_clobber_v12_upper: fmov v12.d[1], xzr ret .globl _abi_test_clobber_v13_upper .private_extern _abi_test_clobber_v13_upper .align 4 _abi_test_clobber_v13_upper: fmov v13.d[1], xzr ret .globl _abi_test_clobber_v14_upper .private_extern _abi_test_clobber_v14_upper .align 4 _abi_test_clobber_v14_upper: fmov v14.d[1], xzr ret .globl _abi_test_clobber_v15_upper .private_extern _abi_test_clobber_v15_upper .align 4 _abi_test_clobber_v15_upper: fmov v15.d[1], xzr ret #endif // !OPENSSL_NO_ASM