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finished hello_files.asm

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This commit is contained in:
Edward R. Gonzalez
2025-06-22 00:33:32 -04:00
parent f35b738da2
commit 62d2773e6f
2 changed files with 22 additions and 51 deletions
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31
code/asm/hello_files.asm
View File

@ -215,9 +215,9 @@ memory_copy:
cld
rep movsb ; REPEAT MoveStringByte
; 1. Copies the byte from [RSI] to [RDI].
; 2. Increments RSI and RDI (because of CLD).
; 3. Decrements RCX.
; 4. Repeats until RCX is 0.
; 2. Increments RSI and RDI (because of CLD).
; 3. Decrements RCX.
; 4. Repeats until RCX is 0.
ret
;endregion memory_copy
@ -415,7 +415,7 @@ extern GetStdHandle
extern WriteConsoleA
struc wapi_ctbl
.shadow: resb 32 ; 32 bytes for RCX, RDX, R8, R9
.shadow: resq 4 ; 32 bytes for RCX, RDX, R8, R9
endstruc
; rcx: hObject
@ -443,10 +443,11 @@ endstruc
; NOTE: Even though the first two are DWORDs, on the stack they each
; occupy a full 8-byte slot in the x64 ABI.
struc CreateFileA_ctbl
.shadow: resb 32
.dwCreationDisposition: resb 8
.dwFlagsAndAttributes: resb 8
.hTemplateFile: resb 8
.shadow: resq 4
.dwCreationDisposition: resq 1
.dwFlagsAndAttributes: resq 1
.hTemplateFile: resq 1
._pad resq 1
endstruc
; rcx: hFile
@ -463,7 +464,6 @@ endstruc
struc ReadFile_ctbl
.shadow: resq 4
.lpOverlapped: resq 1
._pad: resq 1 ; 8 bytes padding for 16-byte stack alignment
endstruc
; rcx: hFile
@ -474,7 +474,6 @@ endstruc
struc WriteFileA_ctbl
.shadow: resq 4
.lpOverlapped: resq 1
._pad: resq 1 ; 8 bytes padding for 16-byte stack alignment
endstruc
struc FileOpInfo
@ -483,7 +482,7 @@ endstruc
; rcx: nStdHandle
struc GetStdHandle_ctbl
.shadow: resb 32
.shadow: resq 4
endstruc
; rcx: hConsoleOutput
@ -524,6 +523,7 @@ file_read_contents:
push r12 ; result
push r13 ; backing
push r14 ; file_size
sub rsp, 8
mov r12, result
mov r13, backing
%define result r12
@ -617,6 +617,7 @@ file_read_contents:
mov qword [result + FileOpInfo.content + Slice_Byte.len], 0
.cleanup:
add rsp, 8
pop r14 ; file_size
pop backing
pop result
@ -643,7 +644,7 @@ global main
%push proc_scope
main:
stack_push GetStdHandle_ctbl_size ; call-frame GetStdHandle {
mov rcounter_32, -MS_STD_OUTPUT_HANDLE ; rcounter.32 = -MS_STD_OUTPUT_HANDLE
mov rcounter_32, MS_STD_OUTPUT_HANDLE ; rcounter.32 = MS_STD_OUTPUT_HANDLE
call GetStdHandle ; GetStdHandle <- rcounter, stack
mov [std_out_hndl], raccumulator ; std_out_hndl = raccumulator
stack_pop ; }
@ -651,9 +652,9 @@ global main
; dbg_wipe_gprs
%push calling
call_frame
%define local_backing rsp + Slice_Byte_size
call_frame_alloc Slice_Byte ; stack local_backing : Slice_byte
call_frame_alloc Slice_Byte_size ; stack local_backing : Slice_byte
call_frame_commit ; call-frame file_read_contents {
%define local_backing rsp + Slice_Byte_size
mov qword [local_backing + Slice_Byte.ptr], read_mem ; local_backing.ptr = read_mem.ptr
mov qword [local_backing + Slice_Byte.len], Mem_128k_size ; local_backing.len = Mem_128k_size
lea rcounter, file ; rcounter = file.ptr
@ -666,7 +667,7 @@ global main
stack_push WriteConsoleA_ctbl_size ; call-frame WriteConsoleA {
mov rcounter, [std_out_hndl] ; rcounter = std_out_hndl
lea rdata, [file + FileOpInfo.content + Slice_Byte.ptr] ; rdata = file.content.ptr
mov rdata, [file + FileOpInfo.content + Slice_Byte.ptr] ; rdata = file.content.ptr
mov r8_32, [file + FileOpInfo.content + Slice_Byte.len] ; r8 = file.content.len
lea r9, [rstack_ptr + WriteConsoleA_ctbl.lpNumberOfCharsWritten] ; r9 = & stack.ptr[WriteFileA.ctbl.lpNumberOfCharsWritten]
mov qword [rstack_ptr + WriteConsoleA_ctbl.lpReserved], nullptr ; stack.ptr[.ctbl.lpRserved] = nullptr

42
code/asm/hello_files.proj
View File

@ -81,46 +81,16 @@ breakpoint:
}
breakpoint:
{
source_location: "hello_files.asm:469:1"
hit_count: 0
source_location: "hello_files.asm:674:1"
hit_count: 1
}
breakpoint:
{
source_location: "hello_files.asm:474:1"
hit_count: 0
source_location: "hello_files.asm:584:1"
hit_count: 1
}
breakpoint:
{
source_location: "hello_files.asm:494:1"
hit_count: 0
}
breakpoint:
{
source_location: "hello_files.asm:500:1"
hit_count: 0
}
breakpoint:
{
source_location: "hello_files.asm:504:1"
hit_count: 0
}
breakpoint:
{
source_location: "hello_files.asm:516:1"
hit_count: 0
}
breakpoint:
{
source_location: "hello_files.asm:510:1"
hit_count: 0
}
breakpoint:
{
source_location: "hello_files.asm:443:1"
hit_count: 0
}
breakpoint:
{
source_location: "hello_files.asm:455:1"
hit_count: 0
source_location: "hello_files.asm:605:1"
hit_count: 1
}