84 lines | 2595 chars
| 1 | /**************************************************************************/ |
| 2 | /* */ |
| 3 | /* OCaml */ |
| 4 | /* */ |
| 5 | /* Xavier Leroy, projet Cristal, INRIA Rocquencourt */ |
| 6 | /* */ |
| 7 | /* Copyright 2000 Institut National de Recherche en Informatique et */ |
| 8 | /* en Automatique. */ |
| 9 | /* */ |
| 10 | /* All rights reserved. This file is distributed under the terms of */ |
| 11 | /* the GNU Lesser General Public License version 2.1, with the */ |
| 12 | /* special exception on linking described in the file LICENSE. */ |
| 13 | /* */ |
| 14 | /**************************************************************************/ |
| 15 | |
| 16 | #ifdef SYS_macosx |
| 17 | #define ALIGN 4 |
| 18 | #else |
| 19 | #define ALIGN 16 |
| 20 | #endif |
| 21 | |
| 22 | #ifdef SYS_macosx |
| 23 | #define CALL_GEN_CODE _call_gen_code |
| 24 | #define CAML_C_CALL _caml_c_call |
| 25 | #define CAML_NEGF_MASK _caml_negf_mask |
| 26 | #define CAML_ABSF_MASK _caml_absf_mask |
| 27 | #else |
| 28 | #define CALL_GEN_CODE call_gen_code |
| 29 | #define CAML_C_CALL caml_c_call |
| 30 | #define CAML_NEGF_MASK caml_negf_mask |
| 31 | #define CAML_ABSF_MASK caml_absf_mask |
| 32 | #endif |
| 33 | |
| 34 | .globl CALL_GEN_CODE |
| 35 | .align ALIGN |
| 36 | CALL_GEN_CODE: |
| 37 | pushq %rbx |
| 38 | pushq %rbp |
| 39 | pushq %r12 |
| 40 | pushq %r13 |
| 41 | pushq %r14 |
| 42 | pushq %r15 |
| 43 | movq %rdi, %r10 |
| 44 | movq %rsi, %rax |
| 45 | movq %rdx, %rbx |
| 46 | movq %rcx, %rdi |
| 47 | movq %r8, %rsi |
| 48 | call *%r10 |
| 49 | popq %r15 |
| 50 | popq %r14 |
| 51 | popq %r13 |
| 52 | popq %r12 |
| 53 | popq %rbp |
| 54 | popq %rbx |
| 55 | ret |
| 56 | |
| 57 | .globl CAML_C_CALL |
| 58 | .align ALIGN |
| 59 | CAML_C_CALL: |
| 60 | jmp *%rax |
| 61 | |
| 62 | #ifdef SYS_macosx |
| 63 | .literal16 |
| 64 | #elif defined(SYS_mingw64) || defined(SYS_cygwin) |
| 65 | .section .rodata.cst8 |
| 66 | #else |
| 67 | .section .rodata.cst8,"aM",@progbits,8 |
| 68 | #endif |
| 69 | .globl CAML_NEGF_MASK |
| 70 | .align ALIGN |
| 71 | CAML_NEGF_MASK: |
| 72 | .quad 0x8000000000000000, 0 |
| 73 | .globl CAML_ABSF_MASK |
| 74 | .align ALIGN |
| 75 | CAML_ABSF_MASK: |
| 76 | .quad 0x7FFFFFFFFFFFFFFF, 0 |
| 77 | |
| 78 | .comm young_limit, 8 |
| 79 | |
| 80 | #if defined(SYS_linux) |
| 81 | /* Mark stack as non-executable */ |
| 82 | .section .note.GNU-stack,"",%progbits |
| 83 | #endif |
| 84 |