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hello.asm
490 lines (474 loc) · 18.2 KB
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hello.asm
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hello.elf: file format elf64-littleriscv
Disassembly of section .text.init:
0000000000000000 <_start>:
0: 06c0006f j 6c <main>
Disassembly of section .text.getpid:
0000000000000004 <getpid>:
4: fe010113 addi sp,sp,-32
8: 00813c23 sd s0,24(sp)
c: 02010413 addi s0,sp,32
10: fe843783 ld a5,-24(s0)
14: 0ac00893 li a7,172
18: 00000073 ecall
1c: 00050793 mv a5,a0
20: fef43423 sd a5,-24(s0)
24: fe843783 ld a5,-24(s0)
28: 00078513 mv a0,a5
2c: 01813403 ld s0,24(sp)
30: 02010113 addi sp,sp,32
34: 00008067 ret
Disassembly of section .text.fork:
0000000000000038 <fork>:
38: fe010113 addi sp,sp,-32
3c: 00813c23 sd s0,24(sp)
40: 02010413 addi s0,sp,32
44: fe843783 ld a5,-24(s0)
48: 0dc00893 li a7,220
4c: 00000073 ecall
50: 00050793 mv a5,a0
54: fef43423 sd a5,-24(s0)
58: fe843783 ld a5,-24(s0)
5c: 00078513 mv a0,a5
60: 01813403 ld s0,24(sp)
64: 02010113 addi sp,sp,32
68: 00008067 ret
Disassembly of section .text.main:
000000000000006c <main>:
6c: fe010113 addi sp,sp,-32
70: 00113c23 sd ra,24(sp)
74: 00813823 sd s0,16(sp)
78: 02010413 addi s0,sp,32
7c: fbdff0ef jal ra,38 <fork>
80: fea43023 sd a0,-32(s0)
84: fb5ff0ef jal ra,38 <fork>
88: fea43023 sd a0,-32(s0)
8c: f79ff0ef jal ra,4 <getpid>
90: 00050793 mv a5,a0
94: 00010713 mv a4,sp
98: 00070613 mv a2,a4
9c: 00078593 mv a1,a5
a0: 73000513 li a0,1840
a4: 600000ef jal ra,6a4 <printf>
a8: fe042623 sw zero,-20(s0)
ac: 0100006f j bc <main+0x50>
b0: fec42783 lw a5,-20(s0)
b4: 0017879b addiw a5,a5,1
b8: fef42623 sw a5,-20(s0)
bc: fec42783 lw a5,-20(s0)
c0: 0007871b sext.w a4,a5
c4: fff00793 li a5,-1
c8: fef714e3 bne a4,a5,b0 <main+0x44>
cc: fc1ff06f j 8c <main+0x20>
Disassembly of section .text.putchar:
00000000000000d0 <putchar>:
d0: fe010113 addi sp,sp,-32
d4: 00813c23 sd s0,24(sp)
d8: 02010413 addi s0,sp,32
dc: 00050793 mv a5,a0
e0: fef42623 sw a5,-20(s0)
e4: 7a400793 li a5,1956
e8: 0007a783 lw a5,0(a5)
ec: 0017871b addiw a4,a5,1
f0: 0007069b sext.w a3,a4
f4: 7a400713 li a4,1956
f8: 00d72023 sw a3,0(a4)
fc: fec42703 lw a4,-20(s0)
100: 0ff77713 andi a4,a4,255
104: 7a800693 li a3,1960
108: 00f687b3 add a5,a3,a5
10c: 00e78023 sb a4,0(a5)
110: 00000793 li a5,0
114: 00078513 mv a0,a5
118: 01813403 ld s0,24(sp)
11c: 02010113 addi sp,sp,32
120: 00008067 ret
Disassembly of section .text.vprintfmt:
0000000000000124 <vprintfmt>:
124: f1010113 addi sp,sp,-240
128: 0e113423 sd ra,232(sp)
12c: 0e813023 sd s0,224(sp)
130: 0f010413 addi s0,sp,240
134: f2a43423 sd a0,-216(s0)
138: f2b43023 sd a1,-224(s0)
13c: f0c43c23 sd a2,-232(s0)
140: fe042623 sw zero,-20(s0)
144: fe042423 sw zero,-24(s0)
148: fe043023 sd zero,-32(s0)
14c: 4d40006f j 620 <vprintfmt+0x4fc>
150: fec42783 lw a5,-20(s0)
154: 0007879b sext.w a5,a5
158: 46078863 beqz a5,5c8 <vprintfmt+0x4a4>
15c: f2043783 ld a5,-224(s0)
160: 0007c783 lbu a5,0(a5)
164: 0007879b sext.w a5,a5
168: f9d7869b addiw a3,a5,-99
16c: 0006871b sext.w a4,a3
170: 01500793 li a5,21
174: 48e7ee63 bltu a5,a4,610 <vprintfmt+0x4ec>
178: 02069793 slli a5,a3,0x20
17c: 0207d793 srli a5,a5,0x20
180: 00279713 slli a4,a5,0x2
184: 74c00793 li a5,1868
188: 00f707b3 add a5,a4,a5
18c: 0007a783 lw a5,0(a5)
190: 0007871b sext.w a4,a5
194: 74c00793 li a5,1868
198: 00f707b3 add a5,a4,a5
19c: 00078067 jr a5
1a0: 00100793 li a5,1
1a4: fef42423 sw a5,-24(s0)
1a8: 46c0006f j 614 <vprintfmt+0x4f0>
1ac: fe842783 lw a5,-24(s0)
1b0: 0007879b sext.w a5,a5
1b4: 00078c63 beqz a5,1cc <vprintfmt+0xa8>
1b8: f1843783 ld a5,-232(s0)
1bc: 00878713 addi a4,a5,8
1c0: f0e43c23 sd a4,-232(s0)
1c4: 0007b783 ld a5,0(a5)
1c8: 0140006f j 1dc <vprintfmt+0xb8>
1cc: f1843783 ld a5,-232(s0)
1d0: 00878713 addi a4,a5,8
1d4: f0e43c23 sd a4,-232(s0)
1d8: 0007a783 lw a5,0(a5)
1dc: f8f43423 sd a5,-120(s0)
1e0: fe842783 lw a5,-24(s0)
1e4: 0007879b sext.w a5,a5
1e8: 00078663 beqz a5,1f4 <vprintfmt+0xd0>
1ec: 00f00793 li a5,15
1f0: 0080006f j 1f8 <vprintfmt+0xd4>
1f4: 00700793 li a5,7
1f8: f8f42223 sw a5,-124(s0)
1fc: f8442783 lw a5,-124(s0)
200: fcf42e23 sw a5,-36(s0)
204: 0880006f j 28c <vprintfmt+0x168>
208: fdc42783 lw a5,-36(s0)
20c: 0027979b slliw a5,a5,0x2
210: 0007879b sext.w a5,a5
214: f8843703 ld a4,-120(s0)
218: 40f757b3 sra a5,a4,a5
21c: 0007879b sext.w a5,a5
220: 00f7f793 andi a5,a5,15
224: f8f42023 sw a5,-128(s0)
228: f8042783 lw a5,-128(s0)
22c: 0007871b sext.w a4,a5
230: 00900793 li a5,9
234: 00e7cc63 blt a5,a4,24c <vprintfmt+0x128>
238: f8042783 lw a5,-128(s0)
23c: 0ff7f793 andi a5,a5,255
240: 0307879b addiw a5,a5,48
244: 0ff7f793 andi a5,a5,255
248: 0140006f j 25c <vprintfmt+0x138>
24c: f8042783 lw a5,-128(s0)
250: 0ff7f793 andi a5,a5,255
254: 0577879b addiw a5,a5,87
258: 0ff7f793 andi a5,a5,255
25c: f6f40fa3 sb a5,-129(s0)
260: f7f44783 lbu a5,-129(s0)
264: 0007879b sext.w a5,a5
268: f2843703 ld a4,-216(s0)
26c: 00078513 mv a0,a5
270: 000700e7 jalr a4
274: fe043783 ld a5,-32(s0)
278: 00178793 addi a5,a5,1
27c: fef43023 sd a5,-32(s0)
280: fdc42783 lw a5,-36(s0)
284: fff7879b addiw a5,a5,-1
288: fcf42e23 sw a5,-36(s0)
28c: fdc42783 lw a5,-36(s0)
290: 0007879b sext.w a5,a5
294: f607dae3 bgez a5,208 <vprintfmt+0xe4>
298: fe042423 sw zero,-24(s0)
29c: fe042623 sw zero,-20(s0)
2a0: 3740006f j 614 <vprintfmt+0x4f0>
2a4: fe842783 lw a5,-24(s0)
2a8: 0007879b sext.w a5,a5
2ac: 00078c63 beqz a5,2c4 <vprintfmt+0x1a0>
2b0: f1843783 ld a5,-232(s0)
2b4: 00878713 addi a4,a5,8
2b8: f0e43c23 sd a4,-232(s0)
2bc: 0007b783 ld a5,0(a5)
2c0: 0140006f j 2d4 <vprintfmt+0x1b0>
2c4: f1843783 ld a5,-232(s0)
2c8: 00878713 addi a4,a5,8
2cc: f0e43c23 sd a4,-232(s0)
2d0: 0007a783 lw a5,0(a5)
2d4: fcf43823 sd a5,-48(s0)
2d8: fd043783 ld a5,-48(s0)
2dc: 0207d463 bgez a5,304 <vprintfmt+0x1e0>
2e0: fd043783 ld a5,-48(s0)
2e4: 40f007b3 neg a5,a5
2e8: fcf43823 sd a5,-48(s0)
2ec: f2843783 ld a5,-216(s0)
2f0: 02d00513 li a0,45
2f4: 000780e7 jalr a5
2f8: fe043783 ld a5,-32(s0)
2fc: 00178793 addi a5,a5,1
300: fef43023 sd a5,-32(s0)
304: fc042623 sw zero,-52(s0)
308: 03000793 li a5,48
30c: f4f43823 sd a5,-176(s0)
310: f4043c23 sd zero,-168(s0)
314: f6043023 sd zero,-160(s0)
318: f6040423 sb zero,-152(s0)
31c: fd043783 ld a5,-48(s0)
320: fcf43023 sd a5,-64(s0)
324: 0480006f j 36c <vprintfmt+0x248>
328: fc043703 ld a4,-64(s0)
32c: 00a00793 li a5,10
330: 02f767b3 rem a5,a4,a5
334: 0ff7f793 andi a5,a5,255
338: 0307879b addiw a5,a5,48
33c: 0ff7f713 andi a4,a5,255
340: fcc42783 lw a5,-52(s0)
344: ff040693 addi a3,s0,-16
348: 00f687b3 add a5,a3,a5
34c: f6e78023 sb a4,-160(a5)
350: fc043703 ld a4,-64(s0)
354: 00a00793 li a5,10
358: 02f747b3 div a5,a4,a5
35c: fcf43023 sd a5,-64(s0)
360: fcc42783 lw a5,-52(s0)
364: 0017879b addiw a5,a5,1
368: fcf42623 sw a5,-52(s0)
36c: fc043783 ld a5,-64(s0)
370: fa079ce3 bnez a5,328 <vprintfmt+0x204>
374: fcc42783 lw a5,-52(s0)
378: 0007879b sext.w a5,a5
37c: 00079863 bnez a5,38c <vprintfmt+0x268>
380: fcc42783 lw a5,-52(s0)
384: 0017879b addiw a5,a5,1
388: fcf42623 sw a5,-52(s0)
38c: fcc42783 lw a5,-52(s0)
390: fff7879b addiw a5,a5,-1
394: faf42e23 sw a5,-68(s0)
398: 0300006f j 3c8 <vprintfmt+0x2a4>
39c: fbc42783 lw a5,-68(s0)
3a0: ff040713 addi a4,s0,-16
3a4: 00f707b3 add a5,a4,a5
3a8: f607c783 lbu a5,-160(a5)
3ac: 0007879b sext.w a5,a5
3b0: f2843703 ld a4,-216(s0)
3b4: 00078513 mv a0,a5
3b8: 000700e7 jalr a4
3bc: fbc42783 lw a5,-68(s0)
3c0: fff7879b addiw a5,a5,-1
3c4: faf42e23 sw a5,-68(s0)
3c8: fbc42783 lw a5,-68(s0)
3cc: 0007879b sext.w a5,a5
3d0: fc07d6e3 bgez a5,39c <vprintfmt+0x278>
3d4: fcc42783 lw a5,-52(s0)
3d8: 0017879b addiw a5,a5,1
3dc: 0007879b sext.w a5,a5
3e0: 00078713 mv a4,a5
3e4: fe043783 ld a5,-32(s0)
3e8: 00e787b3 add a5,a5,a4
3ec: fef43023 sd a5,-32(s0)
3f0: fe042423 sw zero,-24(s0)
3f4: fe042623 sw zero,-20(s0)
3f8: 21c0006f j 614 <vprintfmt+0x4f0>
3fc: fe842783 lw a5,-24(s0)
400: 0007879b sext.w a5,a5
404: 00078c63 beqz a5,41c <vprintfmt+0x2f8>
408: f1843783 ld a5,-232(s0)
40c: 00878713 addi a4,a5,8
410: f0e43c23 sd a4,-232(s0)
414: 0007b783 ld a5,0(a5)
418: 0140006f j 42c <vprintfmt+0x308>
41c: f1843783 ld a5,-232(s0)
420: 00878713 addi a4,a5,8
424: f0e43c23 sd a4,-232(s0)
428: 0007a783 lw a5,0(a5)
42c: f6f43823 sd a5,-144(s0)
430: fa042c23 sw zero,-72(s0)
434: 03000793 li a5,48
438: f2f43823 sd a5,-208(s0)
43c: f2043c23 sd zero,-200(s0)
440: f4043023 sd zero,-192(s0)
444: f4040423 sb zero,-184(s0)
448: f7043783 ld a5,-144(s0)
44c: faf43823 sd a5,-80(s0)
450: 0480006f j 498 <vprintfmt+0x374>
454: fb043703 ld a4,-80(s0)
458: 00a00793 li a5,10
45c: 02f767b3 rem a5,a4,a5
460: 0ff7f793 andi a5,a5,255
464: 0307879b addiw a5,a5,48
468: 0ff7f713 andi a4,a5,255
46c: fb842783 lw a5,-72(s0)
470: ff040693 addi a3,s0,-16
474: 00f687b3 add a5,a3,a5
478: f4e78023 sb a4,-192(a5)
47c: fb043703 ld a4,-80(s0)
480: 00a00793 li a5,10
484: 02f747b3 div a5,a4,a5
488: faf43823 sd a5,-80(s0)
48c: fb842783 lw a5,-72(s0)
490: 0017879b addiw a5,a5,1
494: faf42c23 sw a5,-72(s0)
498: fb043783 ld a5,-80(s0)
49c: fa079ce3 bnez a5,454 <vprintfmt+0x330>
4a0: fb842783 lw a5,-72(s0)
4a4: 0007879b sext.w a5,a5
4a8: 00079863 bnez a5,4b8 <vprintfmt+0x394>
4ac: fb842783 lw a5,-72(s0)
4b0: 0017879b addiw a5,a5,1
4b4: faf42c23 sw a5,-72(s0)
4b8: fb842783 lw a5,-72(s0)
4bc: fff7879b addiw a5,a5,-1
4c0: faf42623 sw a5,-84(s0)
4c4: 0300006f j 4f4 <vprintfmt+0x3d0>
4c8: fac42783 lw a5,-84(s0)
4cc: ff040713 addi a4,s0,-16
4d0: 00f707b3 add a5,a4,a5
4d4: f407c783 lbu a5,-192(a5)
4d8: 0007879b sext.w a5,a5
4dc: f2843703 ld a4,-216(s0)
4e0: 00078513 mv a0,a5
4e4: 000700e7 jalr a4
4e8: fac42783 lw a5,-84(s0)
4ec: fff7879b addiw a5,a5,-1
4f0: faf42623 sw a5,-84(s0)
4f4: fac42783 lw a5,-84(s0)
4f8: 0007879b sext.w a5,a5
4fc: fc07d6e3 bgez a5,4c8 <vprintfmt+0x3a4>
500: fb842783 lw a5,-72(s0)
504: fff7879b addiw a5,a5,-1
508: 0007879b sext.w a5,a5
50c: 00078713 mv a4,a5
510: fe043783 ld a5,-32(s0)
514: 00e787b3 add a5,a5,a4
518: fef43023 sd a5,-32(s0)
51c: fe042423 sw zero,-24(s0)
520: fe042623 sw zero,-20(s0)
524: 0f00006f j 614 <vprintfmt+0x4f0>
528: f1843783 ld a5,-232(s0)
52c: 00878713 addi a4,a5,8
530: f0e43c23 sd a4,-232(s0)
534: 0007b783 ld a5,0(a5)
538: faf43023 sd a5,-96(s0)
53c: 0340006f j 570 <vprintfmt+0x44c>
540: fa043783 ld a5,-96(s0)
544: 0007c783 lbu a5,0(a5)
548: 0007879b sext.w a5,a5
54c: f2843703 ld a4,-216(s0)
550: 00078513 mv a0,a5
554: 000700e7 jalr a4
558: fe043783 ld a5,-32(s0)
55c: 00178793 addi a5,a5,1
560: fef43023 sd a5,-32(s0)
564: fa043783 ld a5,-96(s0)
568: 00178793 addi a5,a5,1
56c: faf43023 sd a5,-96(s0)
570: fa043783 ld a5,-96(s0)
574: 0007c783 lbu a5,0(a5)
578: fc0794e3 bnez a5,540 <vprintfmt+0x41c>
57c: fe042423 sw zero,-24(s0)
580: fe042623 sw zero,-20(s0)
584: 0900006f j 614 <vprintfmt+0x4f0>
588: f1843783 ld a5,-232(s0)
58c: 00878713 addi a4,a5,8
590: f0e43c23 sd a4,-232(s0)
594: 0007a783 lw a5,0(a5)
598: f6f407a3 sb a5,-145(s0)
59c: f6f44783 lbu a5,-145(s0)
5a0: 0007879b sext.w a5,a5
5a4: f2843703 ld a4,-216(s0)
5a8: 00078513 mv a0,a5
5ac: 000700e7 jalr a4
5b0: fe043783 ld a5,-32(s0)
5b4: 00178793 addi a5,a5,1
5b8: fef43023 sd a5,-32(s0)
5bc: fe042423 sw zero,-24(s0)
5c0: fe042623 sw zero,-20(s0)
5c4: 0500006f j 614 <vprintfmt+0x4f0>
5c8: f2043783 ld a5,-224(s0)
5cc: 0007c783 lbu a5,0(a5)
5d0: 00078713 mv a4,a5
5d4: 02500793 li a5,37
5d8: 00f71863 bne a4,a5,5e8 <vprintfmt+0x4c4>
5dc: 00100793 li a5,1
5e0: fef42623 sw a5,-20(s0)
5e4: 0300006f j 614 <vprintfmt+0x4f0>
5e8: f2043783 ld a5,-224(s0)
5ec: 0007c783 lbu a5,0(a5)
5f0: 0007879b sext.w a5,a5
5f4: f2843703 ld a4,-216(s0)
5f8: 00078513 mv a0,a5
5fc: 000700e7 jalr a4
600: fe043783 ld a5,-32(s0)
604: 00178793 addi a5,a5,1
608: fef43023 sd a5,-32(s0)
60c: 0080006f j 614 <vprintfmt+0x4f0>
610: 00000013 nop
614: f2043783 ld a5,-224(s0)
618: 00178793 addi a5,a5,1
61c: f2f43023 sd a5,-224(s0)
620: f2043783 ld a5,-224(s0)
624: 0007c783 lbu a5,0(a5)
628: b20794e3 bnez a5,150 <vprintfmt+0x2c>
62c: 00100793 li a5,1
630: f8f43c23 sd a5,-104(s0)
634: 7a400793 li a5,1956
638: 0007a783 lw a5,0(a5)
63c: 0017871b addiw a4,a5,1
640: 0007069b sext.w a3,a4
644: 7a400713 li a4,1956
648: 00d72023 sw a3,0(a4)
64c: 7a800713 li a4,1960
650: 00f707b3 add a5,a4,a5
654: 00078023 sb zero,0(a5)
658: 7a400793 li a5,1956
65c: 0007a603 lw a2,0(a5)
660: f9843703 ld a4,-104(s0)
664: 7a800693 li a3,1960
668: f9043783 ld a5,-112(s0)
66c: 04000893 li a7,64
670: 00070513 mv a0,a4
674: 00068593 mv a1,a3
678: 00060613 mv a2,a2
67c: 00000073 ecall
680: 00050793 mv a5,a0
684: f8f43823 sd a5,-112(s0)
688: f9043783 ld a5,-112(s0)
68c: 0007879b sext.w a5,a5
690: 00078513 mv a0,a5
694: 0e813083 ld ra,232(sp)
698: 0e013403 ld s0,224(sp)
69c: 0f010113 addi sp,sp,240
6a0: 00008067 ret
Disassembly of section .text.printf:
00000000000006a4 <printf>:
6a4: f9010113 addi sp,sp,-112
6a8: 02113423 sd ra,40(sp)
6ac: 02813023 sd s0,32(sp)
6b0: 03010413 addi s0,sp,48
6b4: fca43c23 sd a0,-40(s0)
6b8: 00b43423 sd a1,8(s0)
6bc: 00c43823 sd a2,16(s0)
6c0: 00d43c23 sd a3,24(s0)
6c4: 02e43023 sd a4,32(s0)
6c8: 02f43423 sd a5,40(s0)
6cc: 03043823 sd a6,48(s0)
6d0: 03143c23 sd a7,56(s0)
6d4: fe042623 sw zero,-20(s0)
6d8: 04040793 addi a5,s0,64
6dc: fcf43823 sd a5,-48(s0)
6e0: fd043783 ld a5,-48(s0)
6e4: fc878793 addi a5,a5,-56
6e8: fef43023 sd a5,-32(s0)
6ec: 7a400793 li a5,1956
6f0: 0007a023 sw zero,0(a5)
6f4: fe043783 ld a5,-32(s0)
6f8: 00078613 mv a2,a5
6fc: fd843583 ld a1,-40(s0)
700: 00000517 auipc a0,0x0
704: 9d050513 addi a0,a0,-1584 # d0 <putchar>
708: a1dff0ef jal ra,124 <vprintfmt>
70c: 00050793 mv a5,a0
710: fef42623 sw a5,-20(s0)
714: fec42783 lw a5,-20(s0)
718: 00078513 mv a0,a5
71c: 02813083 ld ra,40(sp)
720: 02013403 ld s0,32(sp)
724: 07010113 addi sp,sp,112
728: 00008067 ret