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No commits in common. "0428078991057ebf2be8ef4c84094ee33a548468" and "e40f7dbe2b92ec7dbba7fe0c1cb7a2ca14755586" have entirely different histories.

4 changed files with 2 additions and 91 deletions

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@ -18,6 +18,6 @@ add_compile_options(-g)
add_link_options(-fno-pie -m64 -no-pie -pedantic-errors) add_link_options(-fno-pie -m64 -no-pie -pedantic-errors)
#Make a EXE with cpp and asm files #Make a EXE with cpp and asm files
add_library(z tolower.asm strlen.asm strcmp.asm atoi.asm) add_library(z tolower.asm strlen.asm strcmp.asm atoi.asm hextoi.asm)
add_executable(example example.asm) add_executable(example example.asm)
target_link_libraries(example z) target_link_libraries(example z)

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@ -3,7 +3,6 @@ extern libz_strlen
extern libz_strcmp extern libz_strcmp
extern libz_tolower extern libz_tolower
extern libz_atoi extern libz_atoi
extern malloc
section .data section .data
text2 db "asdasdASDd",0 text2 db "asdasdASDd",0
@ -61,7 +60,7 @@ _differ:
mov rdi, differ mov rdi, differ
cld cld
call puts call puts
jmp _afterdiff jmp _end
@ -70,27 +69,6 @@ _notdiffer:
cld cld
call puts call puts
_afterdiff:
mov rdi, 20
cld
call malloc
;i think i just malloced (hopefully)
xor rcx, rcx
_malloctestloop:
mov [rax], rcx
cmp rcx, 20
je _end
inc rcx
inc rax
jmp _malloctestloop
_end: _end:
add rsp, 8 ;exit add rsp, 8 ;exit
ret ret

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@ -1,5 +1,4 @@
extern libz_strlen extern libz_strlen
extern malloc
global libz_tolower global libz_tolower
section .text section .text
@ -12,32 +11,6 @@ libz_tolower:
call libz_strlen call libz_strlen
mov r10, rax mov r10, rax
inc rax ;we do this because we need room for the null terminator
mov rdi, rax
push r11
push r10
call malloc ;spot to put the new string
pop r10
pop r11
;at this point r11 (hopfully) has the original string and rax has the new string home
push rax ;save rax for later
push rax ;save it twice so we can return the pointer
_mcopyloop:
mov r8b, [r11]
mov [rax], r8b
inc r11
inc rax
mov rsi, [r11] ;man i hope i can use rsi for anything and it wont nuke anything
cmp sil, 0
jnz _mcopyloop
pop r11 ;the loop below uses r11
xor rcx, rcx ;we do this to clear rcx incase it had garbage in it before xor rcx, rcx ;we do this to clear rcx incase it had garbage in it before
_loop: _loop:
@ -61,7 +34,5 @@ _endloop:
cmp rcx, r10 cmp rcx, r10
jle _loop jle _loop
pop rax ;returning rax (the pointer to the new string)
add rsp, 8 ;exit add rsp, 8 ;exit
ret ret

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@ -1,38 +0,0 @@
extern libz_strlen
global libz_tolower
section .text
libz_tolower:
sub rsp, 8 ;enter
mov r11, rdi
call libz_strlen
mov r10, rax
xor rcx, rcx ;we do this to clear rcx incase it had garbage in it before
_loop:
;do loop things
mov r9, r11
add r9, rcx
mov r8b, [r9] ;this block here makes sure that our character is a capital letter and if its not a capital letter do nothing and return
cmp r8b, 90
ja _endloop
cmp r8b, 65
jb _endloop
add r8b, 32 ;make the letter capital
mov [r9], r8b
_endloop:
;end loop
inc rcx
cmp rcx, r10
jle _loop
add rsp, 8 ;exit
ret