mirror of
https://github.com/pkivolowitz/asm_book.git
synced 2026-06-21 01:56:47 +08:00
more scratch code
This commit is contained in:
Perry Kivolowitz
parent
cf65bbcf99
commit
1588e75ae4
3 changed files with 333 additions and 1 deletions
5
.vscode/settings.json
vendored
5
.vscode/settings.json
vendored
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@ -45,5 +45,8 @@
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"rwtypo",
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"slen",
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"ssize"
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]
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],
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"files.associations": {
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"ostream": "cpp"
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}
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}
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16
section_1/funcs/fo.cpp
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16
section_1/funcs/fo.cpp
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@ -0,0 +1,16 @@
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#include <iostream>
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#include <unistd.h>
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#include <fcntl.h>
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using std::cout;
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using std::endl;
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using std::hex;
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int main() {
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int fd = open("test.txt", O_RDWR | O_CREAT, 0666);
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cout << fd << endl;
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cout << hex << (O_RDWR | O_CREAT) << endl;
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if (fd >= 0)
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close(fd);
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return 0;
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}
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313
section_1/funcs/fo.s
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313
section_1/funcs/fo.s
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@ -0,0 +1,313 @@
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.arch armv8-a
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.file "fo.cpp"
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.text
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.section .text._ZStanSt13_Ios_FmtflagsS_,"axG",@progbits,_ZStanSt13_Ios_FmtflagsS_,comdat
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.align 2
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.weak _ZStanSt13_Ios_FmtflagsS_
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.type _ZStanSt13_Ios_FmtflagsS_, %function
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_ZStanSt13_Ios_FmtflagsS_:
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.LFB1316:
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.cfi_startproc
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sub sp, sp, #16
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.cfi_def_cfa_offset 16
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str w0, [sp, 12]
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str w1, [sp, 8]
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ldr w1, [sp, 12]
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ldr w0, [sp, 8]
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and w0, w1, w0
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add sp, sp, 16
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.cfi_def_cfa_offset 0
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ret
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.cfi_endproc
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.LFE1316:
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.size _ZStanSt13_Ios_FmtflagsS_, .-_ZStanSt13_Ios_FmtflagsS_
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.section .text._ZStorSt13_Ios_FmtflagsS_,"axG",@progbits,_ZStorSt13_Ios_FmtflagsS_,comdat
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.align 2
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.weak _ZStorSt13_Ios_FmtflagsS_
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.type _ZStorSt13_Ios_FmtflagsS_, %function
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_ZStorSt13_Ios_FmtflagsS_:
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.LFB1317:
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.cfi_startproc
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sub sp, sp, #16
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.cfi_def_cfa_offset 16
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str w0, [sp, 12]
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str w1, [sp, 8]
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ldr w1, [sp, 12]
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ldr w0, [sp, 8]
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orr w0, w1, w0
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add sp, sp, 16
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.cfi_def_cfa_offset 0
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ret
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.cfi_endproc
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.LFE1317:
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.size _ZStorSt13_Ios_FmtflagsS_, .-_ZStorSt13_Ios_FmtflagsS_
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.section .text._ZStcoSt13_Ios_Fmtflags,"axG",@progbits,_ZStcoSt13_Ios_Fmtflags,comdat
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.align 2
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.weak _ZStcoSt13_Ios_Fmtflags
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.type _ZStcoSt13_Ios_Fmtflags, %function
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_ZStcoSt13_Ios_Fmtflags:
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.LFB1319:
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.cfi_startproc
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sub sp, sp, #16
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.cfi_def_cfa_offset 16
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str w0, [sp, 12]
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ldr w0, [sp, 12]
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mvn w0, w0
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add sp, sp, 16
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.cfi_def_cfa_offset 0
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ret
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.cfi_endproc
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.LFE1319:
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.size _ZStcoSt13_Ios_Fmtflags, .-_ZStcoSt13_Ios_Fmtflags
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.section .text._ZStoRRSt13_Ios_FmtflagsS_,"axG",@progbits,_ZStoRRSt13_Ios_FmtflagsS_,comdat
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.align 2
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.weak _ZStoRRSt13_Ios_FmtflagsS_
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.type _ZStoRRSt13_Ios_FmtflagsS_, %function
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_ZStoRRSt13_Ios_FmtflagsS_:
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.LFB1320:
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.cfi_startproc
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stp x29, x30, [sp, -32]!
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.cfi_def_cfa_offset 32
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.cfi_offset 29, -32
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.cfi_offset 30, -24
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mov x29, sp
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str x0, [sp, 24]
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str w1, [sp, 20]
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ldr x0, [sp, 24]
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ldr w0, [x0]
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ldr w1, [sp, 20]
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bl _ZStorSt13_Ios_FmtflagsS_
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mov w1, w0
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ldr x0, [sp, 24]
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str w1, [x0]
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ldr x0, [sp, 24]
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ldp x29, x30, [sp], 32
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.cfi_restore 30
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.cfi_restore 29
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.cfi_def_cfa_offset 0
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ret
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.cfi_endproc
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.LFE1320:
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.size _ZStoRRSt13_Ios_FmtflagsS_, .-_ZStoRRSt13_Ios_FmtflagsS_
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.section .text._ZStaNRSt13_Ios_FmtflagsS_,"axG",@progbits,_ZStaNRSt13_Ios_FmtflagsS_,comdat
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.align 2
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.weak _ZStaNRSt13_Ios_FmtflagsS_
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.type _ZStaNRSt13_Ios_FmtflagsS_, %function
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_ZStaNRSt13_Ios_FmtflagsS_:
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.LFB1321:
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.cfi_startproc
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stp x29, x30, [sp, -32]!
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.cfi_def_cfa_offset 32
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.cfi_offset 29, -32
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.cfi_offset 30, -24
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mov x29, sp
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str x0, [sp, 24]
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str w1, [sp, 20]
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ldr x0, [sp, 24]
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ldr w0, [x0]
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ldr w1, [sp, 20]
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bl _ZStanSt13_Ios_FmtflagsS_
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mov w1, w0
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ldr x0, [sp, 24]
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str w1, [x0]
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ldr x0, [sp, 24]
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ldp x29, x30, [sp], 32
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.cfi_restore 30
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.cfi_restore 29
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.cfi_def_cfa_offset 0
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ret
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.cfi_endproc
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.LFE1321:
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.size _ZStaNRSt13_Ios_FmtflagsS_, .-_ZStaNRSt13_Ios_FmtflagsS_
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.section .text._ZNSt8ios_base4setfESt13_Ios_FmtflagsS0_,"axG",@progbits,_ZNSt8ios_base4setfESt13_Ios_FmtflagsS0_,comdat
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.align 2
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.weak _ZNSt8ios_base4setfESt13_Ios_FmtflagsS0_
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.type _ZNSt8ios_base4setfESt13_Ios_FmtflagsS0_, %function
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_ZNSt8ios_base4setfESt13_Ios_FmtflagsS0_:
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.LFB1350:
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.cfi_startproc
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stp x29, x30, [sp, -48]!
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.cfi_def_cfa_offset 48
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.cfi_offset 29, -48
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.cfi_offset 30, -40
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mov x29, sp
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str x0, [sp, 24]
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str w1, [sp, 20]
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str w2, [sp, 16]
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ldr x0, [sp, 24]
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ldr w0, [x0, 24]
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str w0, [sp, 44]
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ldr w0, [sp, 16]
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bl _ZStcoSt13_Ios_Fmtflags
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mov w1, w0
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ldr x0, [sp, 24]
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add x0, x0, 24
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bl _ZStaNRSt13_Ios_FmtflagsS_
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ldr w1, [sp, 16]
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ldr w0, [sp, 20]
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bl _ZStanSt13_Ios_FmtflagsS_
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mov w1, w0
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ldr x0, [sp, 24]
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add x0, x0, 24
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bl _ZStoRRSt13_Ios_FmtflagsS_
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ldr w0, [sp, 44]
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ldp x29, x30, [sp], 48
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.cfi_restore 30
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.cfi_restore 29
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.cfi_def_cfa_offset 0
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ret
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.cfi_endproc
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.LFE1350:
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.size _ZNSt8ios_base4setfESt13_Ios_FmtflagsS0_, .-_ZNSt8ios_base4setfESt13_Ios_FmtflagsS0_
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.section .text._ZSt3hexRSt8ios_base,"axG",@progbits,_ZSt3hexRSt8ios_base,comdat
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.align 2
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.weak _ZSt3hexRSt8ios_base
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.type _ZSt3hexRSt8ios_base, %function
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_ZSt3hexRSt8ios_base:
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.LFB1378:
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.cfi_startproc
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stp x29, x30, [sp, -32]!
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.cfi_def_cfa_offset 32
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.cfi_offset 29, -32
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.cfi_offset 30, -24
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mov x29, sp
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str x0, [sp, 24]
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mov w2, 74
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mov w1, 8
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ldr x0, [sp, 24]
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bl _ZNSt8ios_base4setfESt13_Ios_FmtflagsS0_
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ldr x0, [sp, 24]
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ldp x29, x30, [sp], 32
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.cfi_restore 30
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.cfi_restore 29
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.cfi_def_cfa_offset 0
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ret
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.cfi_endproc
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.LFE1378:
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.size _ZSt3hexRSt8ios_base, .-_ZSt3hexRSt8ios_base
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.local _ZStL8__ioinit
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.comm _ZStL8__ioinit,1,8
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.section .rodata
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.align 3
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.LC0:
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.string "test.txt"
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.text
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.align 2
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.global main
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.type main, %function
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main:
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.LFB1729:
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.cfi_startproc
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stp x29, x30, [sp, -32]!
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.cfi_def_cfa_offset 32
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.cfi_offset 29, -32
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.cfi_offset 30, -24
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mov x29, sp
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mov w2, 438
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mov w1, 66
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adrp x0, .LC0
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add x0, x0, :lo12:.LC0
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bl open
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str w0, [sp, 28]
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ldr w1, [sp, 28]
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adrp x0, :got:_ZSt4cout
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ldr x0, [x0, #:got_lo12:_ZSt4cout]
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bl _ZNSolsEi
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mov x2, x0
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adrp x0, :got:_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_
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ldr x1, [x0, #:got_lo12:_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_]
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mov x0, x2
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bl _ZNSolsEPFRSoS_E
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adrp x0, _ZSt3hexRSt8ios_base
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add x1, x0, :lo12:_ZSt3hexRSt8ios_base
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adrp x0, :got:_ZSt4cout
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ldr x0, [x0, #:got_lo12:_ZSt4cout]
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bl _ZNSolsEPFRSt8ios_baseS0_E
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mov w1, 66
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bl _ZNSolsEi
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mov x2, x0
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adrp x0, :got:_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_
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ldr x1, [x0, #:got_lo12:_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_]
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mov x0, x2
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bl _ZNSolsEPFRSoS_E
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ldr w0, [sp, 28]
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cmp w0, 0
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blt .L16
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ldr w0, [sp, 28]
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bl close
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.L16:
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mov w0, 0
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ldp x29, x30, [sp], 32
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.cfi_restore 30
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.cfi_restore 29
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.cfi_def_cfa_offset 0
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ret
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.cfi_endproc
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.LFE1729:
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.size main, .-main
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.align 2
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.type _Z41__static_initialization_and_destruction_0ii, %function
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_Z41__static_initialization_and_destruction_0ii:
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.LFB2230:
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.cfi_startproc
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stp x29, x30, [sp, -32]!
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.cfi_def_cfa_offset 32
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.cfi_offset 29, -32
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.cfi_offset 30, -24
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mov x29, sp
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str w0, [sp, 28]
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str w1, [sp, 24]
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ldr w0, [sp, 28]
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cmp w0, 1
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bne .L20
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ldr w1, [sp, 24]
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mov w0, 65535
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cmp w1, w0
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bne .L20
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adrp x0, _ZStL8__ioinit
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add x0, x0, :lo12:_ZStL8__ioinit
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bl _ZNSt8ios_base4InitC1Ev
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adrp x0, __dso_handle
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add x2, x0, :lo12:__dso_handle
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adrp x0, _ZStL8__ioinit
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add x1, x0, :lo12:_ZStL8__ioinit
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adrp x0, :got:_ZNSt8ios_base4InitD1Ev
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ldr x0, [x0, #:got_lo12:_ZNSt8ios_base4InitD1Ev]
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bl __cxa_atexit
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.L20:
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nop
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ldp x29, x30, [sp], 32
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.cfi_restore 30
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.cfi_restore 29
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.cfi_def_cfa_offset 0
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ret
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.cfi_endproc
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.LFE2230:
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.size _Z41__static_initialization_and_destruction_0ii, .-_Z41__static_initialization_and_destruction_0ii
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.align 2
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.type _GLOBAL__sub_I_main, %function
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_GLOBAL__sub_I_main:
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.LFB2231:
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.cfi_startproc
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stp x29, x30, [sp, -16]!
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.cfi_def_cfa_offset 16
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.cfi_offset 29, -16
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.cfi_offset 30, -8
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mov x29, sp
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mov w1, 65535
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mov w0, 1
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bl _Z41__static_initialization_and_destruction_0ii
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ldp x29, x30, [sp], 16
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.cfi_restore 30
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.cfi_restore 29
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.cfi_def_cfa_offset 0
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ret
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.cfi_endproc
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.LFE2231:
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.size _GLOBAL__sub_I_main, .-_GLOBAL__sub_I_main
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.section .init_array,"aw"
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.align 3
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.xword _GLOBAL__sub_I_main
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.hidden __dso_handle
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.ident "GCC: (Ubuntu 11.3.0-1ubuntu1~22.04) 11.3.0"
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.section .note.GNU-stack,"",@progbits
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