XeLabs/asm_book
2
0
Fork 0
mirror of https://github.com/pkivolowitz/asm_book.git synced 2026-06-21 03:26:46 +08:00
Code Issues Projects Releases Packages Wiki Activity

no comment

Browse source
This commit is contained in:
Perry Kivolowitz 2022-06-17 21:31:05 -05:00
parent dc6ac5a73a
commit 96043dd6ce
1 changed files with 0 additions and 164 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

164
section_2/bitfields/test.s
View file

@ -1,164 +0,0 @@
.arch armv8-a
.file "test.c"
.text
.align 2
.p2align 3,,7
.global Foo
.type Foo, %function
Foo:
.LFB23:
.cfi_startproc
and w0, w0, 255
mvn w0, w0
ret
.cfi_endproc
.LFE23:
.size Foo, .-Foo
.align 2
.p2align 3,,7
.global ClearA
.type ClearA, %function
ClearA:
.LFB24:
.cfi_startproc
ldrb w1, [x0]
and w1, w1, -2
strb w1, [x0]
ret
.cfi_endproc
.LFE24:
.size ClearA, .-ClearA
.align 2
.p2align 3,,7
.global SetA
.type SetA, %function
SetA:
.LFB25:
.cfi_startproc
ldrb w1, [x0]
orr w1, w1, 1
strb w1, [x0]
ret
.cfi_endproc
.LFE25:
.size SetA, .-SetA
.align 2
.p2align 3,,7
.global ClearB
.type ClearB, %function
ClearB:
.LFB26:
.cfi_startproc
ldrb w1, [x0]
and w1, w1, -7
strb w1, [x0]
ret
.cfi_endproc
.LFE26:
.size ClearB, .-ClearB
.align 2
.p2align 3,,7
.global SetB
.type SetB, %function
SetB:
.LFB27:
.cfi_startproc
ldrb w2, [x0]
bfi w2, w1, 1, 2
strb w2, [x0]
ret
.cfi_endproc
.LFE27:
.size SetB, .-SetB
.align 2
.p2align 3,,7
.global ClearC
.type ClearC, %function
ClearC:
.LFB28:
.cfi_startproc
ldrb w1, [x0]
and w1, w1, 7
strb w1, [x0]
ret
.cfi_endproc
.LFE28:
.size ClearC, .-ClearC
.align 2
.p2align 3,,7
.global SetC
.type SetC, %function
SetC:
.LFB29:
.cfi_startproc
ldrb w2, [x0]
ubfiz w1, w1, 3, 5
and w2, w2, 7
orr w2, w2, w1
strb w2, [x0]
ret
.cfi_endproc
.LFE29:
.size SetC, .-SetC
.section .rodata.str1.8,"aMS",@progbits,1
.align 3
.LC0:
.string "noBF should be 0x3A - value: 0x%X\n"
.align 3
.LC1:
.string "bf should be 0x1D - value: 0x%X\n"
.section .text.startup,"ax",@progbits
.align 2
.p2align 3,,7
.global main
.type main, %function
main:
.LFB30:
.cfi_startproc
stp x29, x30, [sp, -32]!
.cfi_def_cfa_offset 32
.cfi_offset 29, -32
.cfi_offset 30, -24
mov w5, 2
mov w4, 3
mov x29, sp
ldrb w0, [sp, 24]
adrp x2, .LANCHOR0
adrp x1, .LC0
add x1, x1, :lo12:.LC0
orr w0, w0, 1
strb w0, [sp, 24]
mov w0, 58
strb w0, [x2, #:lo12:.LANCHOR0]
ldrb w3, [sp, 24]
mov w2, 58
mov w0, 1
bfi w3, w5, 1, 2
strb w3, [sp, 24]
ldrb w3, [sp, 24]
bfi w3, w4, 3, 5
strb w3, [sp, 24]
bl __printf_chk
ldrb w2, [sp, 24]
adrp x1, .LC1
mov w0, 1
add x1, x1, :lo12:.LC1
bl __printf_chk
mov w0, 0
ldp x29, x30, [sp], 32
.cfi_restore 30
.cfi_restore 29
.cfi_def_cfa_offset 0
ret
.cfi_endproc
.LFE30:
.size main, .-main
.global noBF
.bss
.set .LANCHOR0,. + 0
.type noBF, %object
.size noBF, 1
noBF:
.zero 1
.ident "GCC: (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0"
.section .note.GNU-stack,"",@progbits