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| 1 // Copyright 2009 The Go Authors. All rights reserved. | 1 // Copyright 2009 The Go Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style | 2 // Use of this source code is governed by a BSD-style |
| 3 // license that can be found in the LICENSE file. | 3 // license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 // | 5 // |
| 6 // System calls and other sys.stuff for 386, Linux | 6 // System calls and other sys.stuff for 386, Linux |
| 7 // | 7 // |
| 8 | 8 |
| 9 #include "386/asm.h" | 9 #include "386/asm.h" |
| 10 | 10 |
| 11 TEXT runtime·exit(SB),7,$0 | 11 TEXT runtime·exit(SB),7,$0 |
| 12 MOVL $252, AX // syscall number | 12 MOVL $252, AX // syscall number |
| 13 MOVL 4(SP), BX | 13 MOVL 4(SP), BX |
| 14 INT $0x80 | 14 INT $0x80 |
| 15 INT $3 // not reached | 15 INT $3 // not reached |
| 16 RET | 16 RET |
| 17 | 17 |
| 18 TEXT runtime·exit1(SB),7,$0 | 18 TEXT runtime·exit1(SB),7,$0 |
| 19 MOVL $1, AX // exit - exit the current os thread | 19 MOVL $1, AX // exit - exit the current os thread |
| 20 MOVL 4(SP), BX | 20 MOVL 4(SP), BX |
| 21 INT $0x80 | 21 INT $0x80 |
| 22 INT $3 // not reached | 22 INT $3 // not reached |
| 23 RET | 23 RET |
| 24 | 24 |
| 25 TEXT runtime·open(SB),7,$0 |
| 26 MOVL $5, AX // syscall - open |
| 27 MOVL 4(SP), BX |
| 28 MOVL 8(SP), CX |
| 29 MOVL 12(SP), DX |
| 30 INT $0x80 |
| 31 RET |
| 32 |
| 33 TEXT runtime·close(SB),7,$0 |
| 34 MOVL $6, AX // syscall - close |
| 35 MOVL 4(SP), BX |
| 36 INT $0x80 |
| 37 RET |
| 38 |
| 25 TEXT runtime·write(SB),7,$0 | 39 TEXT runtime·write(SB),7,$0 |
| 26 MOVL $4, AX // syscall - write | 40 MOVL $4, AX // syscall - write |
| 27 » MOVL» 4(SP), BX | 41 » MOVL» 4(SP), BX |
| 28 MOVL 8(SP), CX | 42 MOVL 8(SP), CX |
| 29 MOVL 12(SP), DX | 43 MOVL 12(SP), DX |
| 30 INT $0x80 | 44 INT $0x80 |
| 45 RET |
| 46 |
| 47 TEXT runtime·read(SB),7,$0 |
| 48 MOVL $3, AX // syscall - read |
| 49 MOVL 4(SP), BX |
| 50 MOVL 8(SP), CX |
| 51 MOVL 12(SP), DX |
| 52 INT $0x80 |
| 31 RET | 53 RET |
| 32 | 54 |
| 33 TEXT runtime·raisesigpipe(SB),7,$12 | 55 TEXT runtime·raisesigpipe(SB),7,$12 |
| 34 MOVL $224, AX // syscall - gettid | 56 MOVL $224, AX // syscall - gettid |
| 35 INT $0x80 | 57 INT $0x80 |
| 36 MOVL AX, 0(SP) // arg 1 tid | 58 MOVL AX, 0(SP) // arg 1 tid |
| 37 MOVL $13, 4(SP) // arg 2 SIGPIPE | 59 MOVL $13, 4(SP) // arg 2 SIGPIPE |
| 38 MOVL $238, AX // syscall - tkill | 60 MOVL $238, AX // syscall - tkill |
| 39 INT $0x80 | 61 INT $0x80 |
| 40 RET | 62 RET |
| (...skipping 267 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 308 JLS 2(PC) | 330 JLS 2(PC) |
| 309 INT $3 | 331 INT $3 |
| 310 | 332 |
| 311 // compute segment selector - (entry*8+7) | 333 // compute segment selector - (entry*8+7) |
| 312 MOVL entry+0(FP), AX | 334 MOVL entry+0(FP), AX |
| 313 SHLL $3, AX | 335 SHLL $3, AX |
| 314 ADDL $7, AX | 336 ADDL $7, AX |
| 315 MOVW AX, GS | 337 MOVW AX, GS |
| 316 | 338 |
| 317 RET | 339 RET |
| 340 |
| 341 TEXT runtime·osyield(SB),7,$0 |
| 342 MOVL $158, AX |
| 343 INT $0x80 |
| 344 RET |
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