Mercurial > pub > dyncall > dyncall
annotate dyncallback/dyncall_callback_x64.S @ 508:1aa2af848e8a
- callback_suite: updated readme to reflect changes and general cleanup
| author | Tassilo Philipp |
|---|---|
| date | Sat, 09 Apr 2022 14:44:33 +0200 |
| parents | 41e2a01cad32 |
| children | 71c884e610f0 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 | |
| 3 Package: dyncall | |
| 4 Library: dyncallback | |
| 5 File: dyncallback/dyncall_callback_x64.S | |
| 6 Description: Callback Thunk entry for x64 (portasm version) | |
| 7 License: | |
| 8 | |
| 281 | 9 Copyright (c) 2011-2018 Daniel Adler <dadler@uni-goettingen.de> |
| 0 | 10 |
| 11 Permission to use, copy, modify, and distribute this software for any | |
| 12 purpose with or without fee is hereby granted, provided that the above | |
| 13 copyright notice and this permission notice appear in all copies. | |
| 14 | |
| 15 THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
| 16 WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
| 17 MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
| 18 ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
| 19 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
| 20 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
| 21 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
| 22 | |
| 23 */ | |
| 24 | |
| 25 | |
| 26 | |
|
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- file name/layout cleanup, removed "-att" from x64 .S filenames, as unnecessary and also misleading
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27 #include "../portasm/portasm-x64.S" |
| 0 | 28 |
| 29 /* structure sizes */ | |
| 30 | |
| 31 SET(DCThunk_size,24) | |
| 32 SET(DCArgs_size_win64,80) | |
| 33 SET(DCArgs_size_sysv,128) | |
| 34 SET(DCValue_size,8) | |
| 35 | |
| 36 /* frame local variable offsets relative to %rbp*/ | |
| 37 | |
| 38 SET(FRAME_arg0_win64,48) | |
| 39 SET(FRAME_arg0_sysv,16) | |
| 40 SET(FRAME_return,8) | |
| 41 SET(FRAME_parent,0) | |
| 42 SET(FRAME_DCArgs_sysv,-128) | |
| 43 SET(FRAME_DCValue_sysv,-136) | |
| 44 SET(FRAME_DCArgs_win64,-80) | |
| 45 SET(FRAME_DCValue_win64,-80) | |
| 46 | |
| 47 /* struct DCCallback */ | |
| 48 | |
| 49 SET(CTX_thunk,0) | |
| 50 SET(CTX_handler,24) | |
| 51 SET(CTX_userdata,32) | |
| 52 SET(DCCallback_size,40) | |
| 53 | |
| 54 | |
| 55 | |
| 56 GLOBAL(dcCallback_x64_sysv) | |
| 57 BEGIN_PROC(dcCallback_x64_sysv) | |
|
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58 |
| 0 | 59 PUSH(RBP) |
| 60 MOV(RSP,RBP) | |
| 61 | |
| 62 /* initialize DCArgs */ | |
| 63 | |
| 64 /* float parameters (8 registers spill to DCArgs) */ | |
| 65 | |
|
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66 SUB(LIT(8*8),RSP) |
| 0 | 67 |
| 68 MOVSD(XMM7, QWORD(RSP,8*7)) /* struct offset 120: float parameter 7 */ | |
| 69 MOVSD(XMM6, QWORD(RSP,8*6)) /* struct offset 112: float parameter 6 */ | |
| 70 MOVSD(XMM5, QWORD(RSP,8*5)) /* struct offset 104: float parameter 5 */ | |
| 71 MOVSD(XMM4, QWORD(RSP,8*4)) /* struct offset 96: float parameter 4 */ | |
| 72 MOVSD(XMM3, QWORD(RSP,8*3)) /* struct offset 88: float parameter 3 */ | |
| 73 MOVSD(XMM2, QWORD(RSP,8*2)) /* struct offset 80: float parameter 2 */ | |
| 74 MOVSD(XMM1, QWORD(RSP,8*1)) /* struct offset 72: float parameter 1 */ | |
| 75 MOVSD(XMM0, QWORD(RSP,8*0)) /* struct offset 64: float parameter 0 */ | |
| 76 | |
| 77 /* integer parameters (6 registers spill to DCArgs) */ | |
| 78 | |
| 79 PUSH(R9) /* struct offset 56: parameter 5 */ | |
| 80 PUSH(R8) /* struct offset 48: parameter 4 */ | |
| 81 PUSH(RCX) /* struct offset 40: parameter 3 */ | |
| 82 PUSH(RDX) /* struct offset 32: parameter 2 */ | |
| 83 PUSH(RSI) /* struct offset 24: parameter 1 */ | |
| 84 PUSH(RDI) /* struct offset 16: parameter 0 */ | |
| 85 | |
| 86 /* register counts for integer/pointer and float regs */ | |
| 87 | |
| 88 PUSH(LIT(0)) /* struct offset 12: fcount */ | |
| 89 /* struct offset 8: icount */ | |
| 90 | |
| 91 LEA(QWORD(RBP,FRAME_arg0_sysv),RDX) /* struct offset 0: stack pointer */ | |
| 92 PUSH(RDX) | |
| 93 | |
| 94 MOV(RSP,RSI) /* arg 1 RSI : DCArgs* */ | |
|
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572aff021627
- file name/layout cleanup, removed "-att" from x64 .S filenames, as unnecessary and also misleading
cslag
parents:
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diff
changeset
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95 |
| 0 | 96 /* initialize DCValue */ |
| 97 | |
| 98 PUSH(LIT(0)) /* struct offset 0: return value (max long long) */ | |
| 99 | |
| 100 /* call handler( *ctx, *args, *value, *userdata) */ | |
| 101 | |
| 102 MOV(RAX,RDI) /* arg 0 RDI : DCCallback* (RAX) */ | |
| 103 MOV(QWORD(RDI,CTX_userdata),RCX) /* arg 3 RCX : userdata* */ | |
| 104 MOV(RSP,RDX) /* arg 2 RDX : DCValue* */ | |
| 105 PUSH(LIT(0)) /* align to 16 bytes */ | |
| 106 CALL_REG(QWORD(RAX,CTX_handler)) | |
| 107 | |
| 108 /* pass return type via registers, handle ints and floats */ | |
| 109 | |
| 110 MOV(QWORD(RBP,FRAME_DCValue_sysv),RAX) | |
| 111 MOVD(RAX,XMM0) | |
| 112 | |
| 113 MOV(RBP,RSP) | |
| 114 POP(RBP) | |
| 115 RET() | |
| 116 | |
| 117 END_PROC(dcCallback_x64_sysv) | |
| 118 | |
| 119 GLOBAL(dcCallback_x64_win64) | |
| 120 BEGIN_PROC(dcCallback_x64_win64) | |
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diff
changeset
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121 |
| 0 | 122 PUSH(RBP) |
| 123 MOV(RSP,RBP) | |
| 124 | |
| 125 /* initialize DCArgs */ | |
| 126 | |
| 127 /* float parameters (4 registers spill to DCArgs) */ | |
| 128 | |
|
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572aff021627
- file name/layout cleanup, removed "-att" from x64 .S filenames, as unnecessary and also misleading
cslag
parents:
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diff
changeset
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129 SUB(LIT(4*8),RSP) |
| 0 | 130 |
| 131 MOVSD(XMM3, QWORD(RSP,8*3)) /* struct offset 72: float parameter 3 */ | |
| 132 MOVSD(XMM2, QWORD(RSP,8*2)) /* struct offset 64: float parameter 2 */ | |
| 133 MOVSD(XMM1, QWORD(RSP,8*1)) /* struct offset 56: float parameter 1 */ | |
| 134 MOVSD(XMM0, QWORD(RSP,8*0)) /* struct offset 48: float parameter 0 */ | |
| 135 | |
| 136 /* integer parameters (4 registers spill to DCArgs) */ | |
| 137 | |
| 138 PUSH(R9) /* struct offset 40: parameter 3 */ | |
| 139 PUSH(R8) /* struct offset 32: parameter 2 */ | |
| 140 PUSH(RDX) /* struct offset 24: parameter 1 */ | |
| 141 PUSH(RCX) /* struct offset 16: parameter 0 */ | |
| 142 | |
| 143 /* register counts for integer/pointer and float regs */ | |
| 144 | |
| 145 PUSH(LIT(0)) /* struct offset 12: fcount */ | |
| 146 /* struct offset 8: icount */ | |
| 147 | |
| 148 LEA(QWORD(RBP,FRAME_arg0_win64),RDX) /* struct offset 0: stack pointer */ | |
| 149 PUSH(RDX) | |
| 150 | |
| 151 MOV(RSP,RDX) /* arg 1 RDX : DCArgs* */ | |
| 152 | |
| 153 /* initialize DCValue */ | |
| 154 | |
| 155 // PUSHQ(LIT(0)) /* struct offset 0: return value (max long long) */ | |
| 156 | |
| 157 /* call handler( *ctx, *args, *value, *userdata) */ | |
| 158 | |
| 159 MOV(RAX,RCX) /* arg 0 RCX : DCCallback* (RAX) */ | |
| 160 MOV(QWORD(RAX,CTX_userdata),R9) /* arg 3 R9 : userdata* */ | |
| 161 MOV(RSP,R8) /* arg 2 R8 : DCValue* */ | |
| 162 SUB(LIT(4*8),RSP) /* make room for spill area and call */ | |
| 163 CALL_REG(QWORD(RAX,CTX_handler)) | |
| 164 | |
| 165 /* pass return type via registers, handle ints and floats */ | |
| 166 | |
| 167 MOV(QWORD(RBP,FRAME_DCValue_win64),RAX) | |
| 168 MOVD(RAX,XMM0) | |
| 169 | |
| 170 MOV(RBP,RSP) | |
| 171 POP(RBP) | |
| 172 RET() | |
| 173 | |
|
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572aff021627
- file name/layout cleanup, removed "-att" from x64 .S filenames, as unnecessary and also misleading
cslag
parents:
0
diff
changeset
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174 END_PROC(dcCallback_x64_win64) |
| 0 | 175 |
| 176 END_ASM | |
| 177 |