Mercurial > pub > dyncall > dyncall
annotate doc/disas_examples/x86.plan9call.disas @ 524:1b1abed0ea32
- test/callback_suite_aggrs: small fix, removed missing param with default value
author | Tassilo Philipp |
---|---|
date | Wed, 13 Apr 2022 15:16:56 +0200 |
parents | ead041d93e36 |
children |
rev | line source |
---|---|
327
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
1 ; void leaf_call(int a, int b, int c, int d, int e, int f) |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
2 ; { |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
3 ; } |
447
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
4 ; |
327
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
5 ; int nonleaf_call(int a, int b, int c, int d, int e, int f, int g) |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
6 ; { |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
7 ; leaf_call(b,c,d,e,f,g); |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
8 ; return 'x'; |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
9 ; } |
447
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
10 ; |
327
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
11 ; int main() |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
12 ; { |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
13 ; nonleaf_call(0,1,2,3,4,5,6); |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
14 ; return 0; |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
15 ; } |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
16 |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
17 |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
18 |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
19 ; output from plan9-4th_edition-x86 w/ 8c x.c && 8l -a x.8 |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
20 |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
21 001020 (1) TEXT leaf_call+0(SB),$0 |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
22 001020 c3 (3) RET , |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
23 |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
24 001021 (5) TEXT nonleaf_call+0(SB),$28 |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
25 001021 83ec1c (5) SUBL $28,SP ; prolog (note, there is no register save area at all) |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
26 001024 8b442424 (7) MOVL b+36(FP),AX ; | |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
27 001028 890424 (7) MOVL AX,(SP) ; | |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
28 00102b 8b442428 (7) MOVL c+40(FP),AX ; | |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
29 00102f 89442404 (7) MOVL AX,4(SP) ; | |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
30 001033 8b44242c (7) MOVL d+44(FP),AX ; | |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
31 001037 89442408 (7) MOVL AX,8(SP) ; | fetch in args from prev frame's param area ... |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
32 00103b 8b442430 (7) MOVL e+48(FP),AX ; | ... and "push" onto stack |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
33 00103f 8944240c (7) MOVL AX,12(SP) ; | |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
34 001043 8b442434 (7) MOVL f+52(FP),AX ; | |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
35 001047 89442410 (7) MOVL AX,16(SP) ; | |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
36 00104b 8b442438 (7) MOVL g+56(FP),AX ; | |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
37 00104f 89442414 (7) MOVL AX,20(SP) ; | |
447
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
38 001053 e8c8ffffff (7) CALL ,1020+leaf_call ; push return address and call |
327
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
39 001058 b878000000 (8) MOVL $120,AX ; return value: 'x' -> eax |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
40 00105d 83c41c (8) ADDL $28,SP ; | |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
41 001060 c3 (8) RET , ; | epilog |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
42 |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
43 001061 (11) TEXT main+0(SB),$32 |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
44 001061 83ec20 (11) SUBL $32,SP ; prolog (note, there is no register save area at all) |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
45 001064 c7042400000000 (13) MOVL $0,(SP) ; arg 0 -> "push" onto stack |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
46 00106b b801000000 (13) MOVL $1,AX ; arg 1 -> eax, then ... |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
47 001070 89442404 (13) MOVL AX,4(SP) ; ... "pushed" onto stack |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
48 001074 b802000000 (13) MOVL $2,AX ; arg 2 -> eax, then ... |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
49 001079 89442408 (13) MOVL AX,8(SP) ; ... "pushed" onto stack |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
50 00107d b803000000 (13) MOVL $3,AX ; . |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
51 001082 8944240c (13) MOVL AX,12(SP) ; . |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
52 001086 b804000000 (13) MOVL $4,AX ; . |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
53 00108b 89442410 (13) MOVL AX,16(SP) ; . |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
54 00108f b805000000 (13) MOVL $5,AX ; . |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
55 001094 89442414 (13) MOVL AX,20(SP) ; . |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
56 001098 b806000000 (13) MOVL $6,AX ; arg 6 -> eax, then ... |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
57 00109d 89442418 (13) MOVL AX,24(SP) ; ... "pushed" onto stack |
447
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
58 0010a1 e87bffffff (13) CALL ,1021+nonleaf_call ; push return address and call |
327
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
59 0010a6 31c0 (14) MOVL $0,AX ; return value |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
60 0010a8 83c420 (14) ADDL $32,SP ; | |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
61 0010ab c3 (14) RET , ; | epilog |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
62 |
447
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
63 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
64 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
65 ; ---------- structs by value ----------> |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
66 ; |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
67 ; struct A { int i, j; long long l; }; |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
68 ; |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
69 ; void leaf_call(int b, int c, int d, int e, struct A f, int g, int h) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
70 ; { |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
71 ; } |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
72 ; |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
73 ; void nonleaf_call(int a, int b, int c, int d, int e, struct A f, int g, int h) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
74 ; { |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
75 ; /* use some local data */ |
473
ead041d93e36
- ppc doc and disas examples related to aggregates
Tassilo Philipp
parents:
472
diff
changeset
|
76 ; char l[100] = { 'L' }; |
447
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
77 ; leaf_call(b, c, d, e, f, g, h); |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
78 ; } |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
79 ; |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
80 ; int main() |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
81 ; { |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
82 ; nonleaf_call(0, 1, 2, 3, 4, (struct A){5, 6, 7ll}, 8, 9); |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
83 ; return 0; |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
84 ; } |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
85 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
86 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
87 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
88 ; output from plan9-4th_edition-x86 w/ 8c x.c && 8l -a x.8 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
89 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
90 001020 (3) TEXT leaf_call+0(SB),$0 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
91 001020 c3 (5) RET , |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
92 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
93 001021 (7) TEXT nonleaf_call+0(SB),$148 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
94 001021 81ec94000000 (7) SUBL $148,SP ; prolog (note, there is no register save area at all) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
95 001027 8d842494000000 (10) LEAL l+148(SP),AX ; | |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
96 00102e 89442430 (10) MOVL AX,l+48(SP) ; | loop's write ptr (stored at beginning of char[100] space) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
97 001032 83442430fc (10) ADDL $-4,l+48(SP) ; | decr loop ptr in memory |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
98 001037 8b442430 (10) MOVL l+48(SP),AX ; | ptr -> eax |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
99 00103b c70000000000 (10) MOVL $0,(AX) ; | zero-init char[100] space write a 0 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
100 001041 837c243000 (10) CMPL l+48(SP),$0 ; | cmp if done |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
101 001046 75ea (10) JNE ,1032 ; | loop |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
102 001048 c64424304c (10) MOVB $76,l+48(SP) ; 'L' -> local area (beginning of char[100] space) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
103 00104d 8b84249c000000 (11) MOVL b+156(FP),AX ; | |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
104 001054 890424 (11) MOVL AX,(SP) ; | |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
105 001057 8b8424a0000000 (11) MOVL c+160(FP),AX ; | |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
106 00105e 89442404 (11) MOVL AX,4(SP) ; | fetch in args (ints before struct) from prev frame's param area ... |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
107 001062 8b8424a4000000 (11) MOVL d+164(FP),AX ; | ... and "push" onto stack |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
108 001069 89442408 (11) MOVL AX,8(SP) ; | |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
109 00106d 8b8424a8000000 (11) MOVL e+168(FP),AX ; | |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
110 001074 8944240c (11) MOVL AX,12(SP) ; / |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
111 001078 8d7c2410 (11) LEAL 16(SP),DI ; \ dst ptr |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
112 00107c 8db424ac000000 (11) LEAL f+172(FP),SI ; | src ptr |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
113 001083 b904000000 (11) MOVL $4,CX ; | rep counter (4, for dwords = 16b = sizeof(struct A)) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
114 001088 fc (11) CLD , ; | copy struct to next call's stack |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
115 001089 f3 (11) REP , ; | |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
116 00108a a5 (11) MOVSL , ; / |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
117 00108b 8b8424bc000000 (11) MOVL g+188(FP),AX ; \ |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
118 001092 89442420 (11) MOVL AX,32(SP) ; | fetch remaining in args (ints after struct) from prev frame's param area ... |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
119 001096 8b8424c0000000 (11) MOVL h+192(FP),AX ; | ... and "push" onto stack |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
120 00109d 89442424 (11) MOVL AX,36(SP) ; | |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
121 0010a1 e87affffff (11) CALL ,1020+leaf_call ; push return address and call |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
122 0010a6 81c494000000 (11) ADDL $148,SP ; | |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
123 0010ac c3 (11) RET , ; | epilog |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
124 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
125 0010ad (14) TEXT main+0(SB),$52 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
126 0010ad 83ec34 (14) SUBL $52,SP ; prolog (note, there is no register save area at all) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
127 0010b0 c7042400000000 (16) MOVL $0,(SP) ; arg 0 -> "push" onto stack |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
128 0010b7 b801000000 (16) MOVL $1,AX ; arg 1 -> eax, then ... |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
129 0010bc 89442404 (16) MOVL AX,4(SP) ; ... "pushed" onto stack |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
130 0010c0 b802000000 (16) MOVL $2,AX ; arg 2 -> eax, then ... |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
131 0010c5 89442408 (16) MOVL AX,8(SP) ; ... "pushed" onto stack |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
132 0010c9 b803000000 (16) MOVL $3,AX ; . |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
133 0010ce 8944240c (16) MOVL AX,12(SP) ; . |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
134 0010d2 b804000000 (16) MOVL $4,AX ; . |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
135 0010d7 89442410 (16) MOVL AX,16(SP) ; . |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
136 0010db 8d442414 (16) LEAL 20(SP),AX ; get ptr to next (unused) stack bytes -> eax ... |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
137 0010df 89442430 (16) MOVL AX,.safe+48(SP) ; ... and write it to very top of stack (seems aligned and not adjacent to last arg) | looks like callconv keeps a ptr to |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
138 0010e3 8b442430 (16) MOVL .safe+48(SP),AX ; regetting of same ptr into eax (pointless as same as in eax) | each struct params in local area |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
139 0010e7 c70005000000 (16) MOVL $5,(AX) ; | |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
140 0010ed 8b442430 (16) MOVL .safe+48(SP),AX ; | |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
141 0010f1 c7400406000000 (16) MOVL $6,4(AX) ; | copy struct linearly to stack, adjacent to other args |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
142 0010f8 8b442430 (16) MOVL .safe+48(SP),AX ; | |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
143 0010fc c7400807000000 (16) MOVL $7,8(AX) ; | |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
144 001103 c7400c00000000 (16) MOVL $0,12(AX) ; | msbytes of long long |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
145 00110a b808000000 (16) MOVL $8,AX ; arg 6 -> eax, then ... |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
146 00110f 89442424 (16) MOVL AX,36(SP) ; ... "pushed" onto stack |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
147 001113 b809000000 (16) MOVL $9,AX ; arg 7 -> eax, then ... |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
148 001118 89442428 (16) MOVL AX,40(SP) ; ... "pushed" onto stack |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
149 00111c e800ffffff (16) CALL ,1021+nonleaf_call ; push return address and call |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
150 001121 31c0 (17) MOVL $0,AX ; return value |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
151 001123 83c434 (17) ADDL $52,SP ; | |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
152 001126 c3 (17) RET , ; | epilog |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
153 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
154 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
155 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
156 ; ---------- structs by value, complex example (multiple structs) ----------> |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
157 ; |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
158 ; struct A { int i, j; float f; }; |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
159 ; struct B { double d; long long l; }; |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
160 ; |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
161 ; void leaf_call(int b, struct A c, struct B d, int e, int f, struct A g, struct B h, int i, int j) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
162 ; { |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
163 ; } |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
164 ; |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
165 ; void nonleaf_call(int a, int b, struct A c, struct B d, int e, int f, struct A g, struct B h, int i, int j) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
166 ; { |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
167 ; /* use some local data */ |
473
ead041d93e36
- ppc doc and disas examples related to aggregates
Tassilo Philipp
parents:
472
diff
changeset
|
168 ; char l[100] = { 'L' }; |
447
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
169 ; leaf_call(b, c, d, e, f, g, h, i, j); |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
170 ; } |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
171 ; |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
172 ; int main() |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
173 ; { |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
174 ; nonleaf_call(0, 1, (struct A){2, 3, 4.f}, (struct B){5., 6ll}, 7, 8, (struct A){9, 10, 11.f}, (struct B){12., 13ll}, 14, 15); |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
175 ; return 0; |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
176 ; } |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
177 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
178 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
179 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
180 ; output from plan9-4th_edition-x86 w/ 8c x.c && 8l -a x.8 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
181 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
182 001020 (4) TEXT leaf_call+0(SB),$0 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
183 001020 c3 (6) RET , |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
184 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
185 001021 (8) TEXT nonleaf_call+0(SB),$184 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
186 001021 81ecb8000000 (8) SUBL $184,SP |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
187 001027 8d8424b8000000 (11) LEAL l+184(SP),AX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
188 00102e 89442454 (11) MOVL AX,l+84(SP) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
189 001032 83442454fc (11) ADDL $-4,l+84(SP) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
190 001037 8b442454 (11) MOVL l+84(SP),AX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
191 00103b c70000000000 (11) MOVL $0,(AX) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
192 001041 837c245400 (11) CMPL l+84(SP),$0 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
193 001046 75ea (11) JNE ,1032 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
194 001048 c64424544c (11) MOVB $76,l+84(SP) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
195 00104d 8b8424c0000000 (12) MOVL b+192(FP),AX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
196 001054 890424 (12) MOVL AX,(SP) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
197 001057 8d7c2404 (12) LEAL 4(SP),DI |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
198 00105b 8db424c4000000 (12) LEAL c+196(FP),SI |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
199 001062 b903000000 (12) MOVL $3,CX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
200 001067 fc (12) CLD , |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
201 001068 f3 (12) REP , |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
202 001069 a5 (12) MOVSL , |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
203 00106a 8d7c2410 (12) LEAL 16(SP),DI |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
204 00106e 8db424d0000000 (12) LEAL d+208(FP),SI |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
205 001075 b904000000 (12) MOVL $4,CX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
206 00107a fc (12) CLD , |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
207 00107b f3 (12) REP , |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
208 00107c a5 (12) MOVSL , |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
209 00107d 8b8424e0000000 (12) MOVL e+224(FP),AX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
210 001084 89442420 (12) MOVL AX,32(SP) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
211 001088 8b8424e4000000 (12) MOVL f+228(FP),AX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
212 00108f 89442424 (12) MOVL AX,36(SP) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
213 001093 8d7c2428 (12) LEAL 40(SP),DI |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
214 001097 8db424e8000000 (12) LEAL g+232(FP),SI |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
215 00109e b903000000 (12) MOVL $3,CX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
216 0010a3 fc (12) CLD , |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
217 0010a4 f3 (12) REP , |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
218 0010a5 a5 (12) MOVSL , |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
219 0010a6 8d7c2434 (12) LEAL 52(SP),DI |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
220 0010aa 8db424f4000000 (12) LEAL h+244(FP),SI |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
221 0010b1 b904000000 (12) MOVL $4,CX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
222 0010b6 fc (12) CLD , |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
223 0010b7 f3 (12) REP , |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
224 0010b8 a5 (12) MOVSL , |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
225 0010b9 8b842404010000 (12) MOVL i+260(FP),AX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
226 0010c0 89442444 (12) MOVL AX,68(SP) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
227 0010c4 8b842408010000 (12) MOVL j+264(FP),AX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
228 0010cb 89442448 (12) MOVL AX,72(SP) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
229 0010cf e84cffffff (12) CALL ,1020+leaf_call |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
230 0010d4 81c4b8000000 (12) ADDL $184,SP |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
231 0010da c3 (12) RET , |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
232 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
233 0010db (15) TEXT main+0(SB),$100 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
234 0010db 83ec64 (15) SUBL $100,SP |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
235 0010de c7042400000000 (17) MOVL $0,(SP) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
236 0010e5 b801000000 (17) MOVL $1,AX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
237 0010ea 89442404 (17) MOVL AX,4(SP) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
238 0010ee 8d442408 (17) LEAL 8(SP),AX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
239 0010f2 89442460 (17) MOVL AX,.safe+96(SP) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
240 0010f6 8b442460 (17) MOVL .safe+96(SP),AX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
241 0010fa c70002000000 (17) MOVL $2,(AX) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
242 001100 8b442460 (17) MOVL .safe+96(SP),AX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
243 001104 c7400403000000 (17) MOVL $3,4(AX) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
244 00110b dd0500200000 (17) FMOVD $0.40100000+0(SB),F0 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
245 001111 8b442460 (17) MOVL .safe+96(SP),AX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
246 001115 d95808 (17) FMOVFP F0,8(AX) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
247 001118 8d442414 (17) LEAL 20(SP),AX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
248 00111c 8944245c (17) MOVL AX,.safe+92(SP) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
249 001120 dd0508200000 (17) FMOVD $0.40140000+0(SB),F0 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
250 001126 8b44245c (17) MOVL .safe+92(SP),AX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
251 00112a dd18 (17) FMOVDP F0,(AX) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
252 00112c 8b44245c (17) MOVL .safe+92(SP),AX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
253 001130 c7400806000000 (17) MOVL $6,8(AX) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
254 001137 c7400c00000000 (17) MOVL $0,12(AX) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
255 00113e b807000000 (17) MOVL $7,AX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
256 001143 89442424 (17) MOVL AX,36(SP) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
257 001147 b808000000 (17) MOVL $8,AX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
258 00114c 89442428 (17) MOVL AX,40(SP) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
259 001150 8d44242c (17) LEAL 44(SP),AX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
260 001154 89442458 (17) MOVL AX,.safe+88(SP) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
261 001158 8b442458 (17) MOVL .safe+88(SP),AX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
262 00115c c70009000000 (17) MOVL $9,(AX) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
263 001162 8b442458 (17) MOVL .safe+88(SP),AX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
264 001166 c740040a000000 (17) MOVL $10,4(AX) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
265 00116d dd0510200000 (17) FMOVD $0.40260000+0(SB),F0 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
266 001173 8b442458 (17) MOVL .safe+88(SP),AX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
267 001177 d95808 (17) FMOVFP F0,8(AX) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
268 00117a 8d442438 (17) LEAL 56(SP),AX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
269 00117e 89442454 (17) MOVL AX,.safe+84(SP) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
270 001182 dd0518200000 (17) FMOVD $0.40280000+0(SB),F0 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
271 001188 8b442454 (17) MOVL .safe+84(SP),AX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
272 00118c dd18 (17) FMOVDP F0,(AX) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
273 00118e 8b442454 (17) MOVL .safe+84(SP),AX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
274 001192 c740080d000000 (17) MOVL $13,8(AX) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
275 001199 c7400c00000000 (17) MOVL $0,12(AX) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
276 0011a0 b80e000000 (17) MOVL $14,AX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
277 0011a5 89442448 (17) MOVL AX,72(SP) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
278 0011a9 b80f000000 (17) MOVL $15,AX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
279 0011ae 8944244c (17) MOVL AX,76(SP) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
280 0011b2 e86afeffff (17) CALL ,1021+nonleaf_call |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
281 0011b7 31c0 (18) MOVL $0,AX |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
282 0011b9 83c464 (18) ADDL $100,SP |
472 | 283 0011bc c3 (18) RET , |
447
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
284 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
285 002000 0000000000001040 (17) DATA $0.40100000+0(SB)/8,$(40100000,00000000) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
286 002008 0000000000001440 (17) DATA $0.40140000+0(SB)/8,$(40140000,00000000) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
287 002010 0000000000002640 (17) DATA $0.40260000+0(SB)/8,$(40260000,00000000) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
288 002018 0000000000002840 (17) DATA $0.40280000+0(SB)/8,$(40280000,00000000) |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
289 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
290 |
97fff5d9cea1
- plan9/x86 struct by value passing disas example
Tassilo Philipp
parents:
327
diff
changeset
|
291 |
472 | 292 ; ---------- returning qwords ----------> |
293 ; | |
294 ; long long f() | |
295 ; { | |
296 ; return 7171LL; | |
297 ; } | |
298 ; | |
299 ; int main() | |
300 ; { | |
301 ; return (int)f(); | |
302 ; } | |
303 | |
473
ead041d93e36
- ppc doc and disas examples related to aggregates
Tassilo Philipp
parents:
472
diff
changeset
|
304 |
ead041d93e36
- ppc doc and disas examples related to aggregates
Tassilo Philipp
parents:
472
diff
changeset
|
305 |
472 | 306 ; output from plan9-4th_edition-x86 w/ 8c x.c && 8l -a x.8 |
307 | |
308 001020 (2) TEXT f1+0(SB),$0 | |
309 001020 8b442404 (4) MOVL .ret+4(FP),AX ; ptr to retval space -> eax | |
310 001024 c700031c0000 (4) MOVL $7171,(AX) ; | | |
311 00102a c7400400000000 (4) MOVL $0,4(AX) ; | return value | |
312 001031 c3 (4) RET , | |
313 | |
314 001032 (7) TEXT main+0(SB),$16 | |
315 001032 83ec10 (7) SUBL $16,SP ; prolog | |
316 001035 8d4c2408 (9) LEAL .safe+8(SP),CX ; | ptr to space for return value ... | |
317 001039 890c24 (9) MOVL CX,(SP) ; | ... pushed as implicit first arg | |
318 00103c e8dfffffff (9) CALL ,1020+f1 ; push return address and call | |
319 001041 8b442408 (9) MOVL .safe+8(SP),AX ; return value | |
320 001045 8b54240c (9) MOVL .safe+12(SP),DX ; @@@ unsure, b/c we have a cast | |
321 001049 83c410 (9) ADDL $16,SP ; | | |
322 00104c c3 (9) RET , ; | epilog | |
323 | |
324 | |
325 | |
326 ; ---------- returning structs by value ----------> | |
327 ; | |
328 ; struct Small { char x; }; | |
329 ; struct Big { long long i; long j; }; | |
330 ; | |
331 ; struct Small f0() | |
332 ; { | |
333 ; struct Small s = { 132 }; | |
334 ; return s; | |
335 ; } | |
336 ; | |
337 ; struct Big f1() | |
338 ; { | |
339 ; struct Big b = { 7171LL, 232 }; | |
340 ; return b; | |
341 ; } | |
342 ; | |
343 ; int main() | |
344 ; { | |
345 ; struct Small s = f0(); | |
346 ; struct Big b = f1(); | |
347 ; return b.j + s.x; | |
348 ; } | |
349 | |
473
ead041d93e36
- ppc doc and disas examples related to aggregates
Tassilo Philipp
parents:
472
diff
changeset
|
350 |
ead041d93e36
- ppc doc and disas examples related to aggregates
Tassilo Philipp
parents:
472
diff
changeset
|
351 |
472 | 352 ; output from plan9-4th_edition-x86 w/ 8c x.c && 8l -a x.8 |
353 | |
354 001020 (5) TEXT f0+0 (SB),$16 | |
355 001020 83ec08 (5) SUBL $8,SP ; prolog | |
356 001023 c644240484 (7) MOVB $-124,s+4(SP) ; struct data in local area (s.x) | |
357 001028 8b7c240c (8) MOVL .ret+12(FP),DI ; \ | |
358 00102c 8d742404 (8) LEAL s+4(SP),SI ; | | |
359 001030 b901000000 (8) MOVL $1,CX ; | copy struct in local area to return | |
360 001035 fc (8) CLD , ; | value (pointed to by implicit first arg) | |
361 001036 f3 (8) REP , ; | | |
362 001037 a5 (8) MOVSL , ; / | |
363 001038 83c408 (8) ADDL $8,SP ; \ | |
364 00103b c3 (8) RET , ; | epilog | |
365 | |
366 00103c (11) TEXT f1+0(SB),$16 | |
367 00103c 83ec10 (11) SUBL $16,SP ; prolog | |
368 00103f c7442404031c0000 (13) MOVL $7171,b+4(SP) ; | | | |
369 001047 c744240800000000 (13) MOVL $0,b+8(SP) ; | struct data in local area | b.i | |
370 00104f c744240ce8000000 (13) MOVL $232,b+12(SP) ; / b.j | |
371 001057 8b7c2414 (14) MOVL .ret+20(FP),DI ; \ | |
372 00105b 8d742404 (14) LEAL b+4(SP),SI ; | | |
373 00105f b903000000 (14) MOVL $3,CX ; | copy struct in local area to return | |
374 001064 fc (14) CLD , ; | value (pointed to by implicit first arg) | |
375 001065 f3 (14) REP , ; | | |
376 001066 a5 (14) MOVSL , ; / | |
377 001067 83c410 (14) ADDL $16,SP ; \ | |
378 00106a c3 (14) RET , ; | epilog | |
379 | |
380 00106b (17) TEXT main+0(SB),$28 | |
381 00106b 83ec1c (17) SUBL $28,SP ; prolog | |
382 00106e 8d442418 (19) LEAL s+24(SP),AX ; | ptr to space for return value ... | |
383 001072 890424 (19) MOVL AX,(SP) ; | ... pushed as implicit first arg | |
384 001075 e8a6ffffff (19) CALL ,1020+f0 ; push return address and call | |
385 00107a 8d44240c (20) LEAL b+12(SP),AX ; | ptr to space for return value ... | |
386 00107e 890424 (20) MOVL AX,(SP) ; | ... pushed as implicit first arg | |
387 001081 e8b6ffffff (20) CALL ,103c+f1 ; push return address and call | |
388 001086 0fbe442418 (21) MOVBLSX s+24(SP),AX ; | | |
389 00108b 03442414 (21) ADDL b+20(SP),AX ; / return value | |
390 00108f 83c41c (21) ADDL $28,SP ; \ | |
391 001092 c3 (21) RET , ; | epilog | |
392 | |
393 | |
394 | |
327
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
395 ; vim: ft=asm |
c0390dc85a07
- doc: added disassembly examples for many platforms and calling conventions, for reference
Tassilo Philipp
parents:
diff
changeset
|
396 |