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debug.asm
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debug.asm
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extern printf
section .data
fmtd: db "%d", 0xA, 0x0
fmtzd: db "%zd", 0xA, 0x0
fmtu: db "%u", 0xA, 0x0
fmtzu: db "%zu", 0xA, 0x0
fmtx: db "%X", 0xA, 0x0
fmtzx: db "%zX", 0xA, 0x0
fmtf: db "%f", 0xA, 0x0
fmtc: db "%c", 0xA, 0x0
fmts: db "%s", 0xA, 0x0
%macro save_registers 0
; Preserve caller-save registers
push rax
push rcx
push rdx
push rsi
push rdi
push r8
push r9
push r10
push r11
; Preserve xmm registers
sub rsp, 128
movsd [rsp], xmm0
movsd [rsp + 8], xmm1
movsd [rsp + 16], xmm2
movsd [rsp + 24], xmm3
movsd [rsp + 32], xmm4
movsd [rsp + 40], xmm5
movsd [rsp + 48], xmm6
movsd [rsp + 56], xmm7
movsd [rsp + 64], xmm8
movsd [rsp + 72], xmm9
movsd [rsp + 80], xmm10
movsd [rsp + 88], xmm11
movsd [rsp + 96], xmm12
movsd [rsp + 104], xmm13
movsd [rsp + 112], xmm14
movsd [rsp + 120], xmm15
%endmacro
%macro restore_registers 0
; Restore xmm registers
movsd xmm0, [rsp]
movsd xmm1, [rsp + 8]
movsd xmm2, [rsp + 16]
movsd xmm3, [rsp + 24]
movsd xmm4, [rsp + 32]
movsd xmm5, [rsp + 40]
movsd xmm6, [rsp + 48]
movsd xmm7, [rsp + 56]
movsd xmm8, [rsp + 64]
movsd xmm9, [rsp + 72]
movsd xmm10, [rsp + 80]
movsd xmm11, [rsp + 88]
movsd xmm12, [rsp + 96]
movsd xmm13, [rsp + 104]
movsd xmm14, [rsp + 112]
movsd xmm15, [rsp + 120]
add rsp, 128
; Restore caller-save registers
pop r11
pop r10
pop r9
pop r8
pop rdi
pop rsi
pop rdx
pop rcx
pop rax
%endmacro
%macro save_sp 0
push rbp
mov rbp, rsp
%endmacro
%macro restore_sp 0
mov rsp, rbp
pop rbp
%endmacro
%macro align_sp 0
and rsp, -16
%endmacro
%macro debugd8 1
save_registers
movsx rsi, %1
lea rdi, [rel fmtd]
xor eax, eax
save_sp
align_sp
call printf wrt ..plt
restore_sp
restore_registers
%endmacro
%macro debugd16 1
debugd8 %1
%endmacro
%macro debugd32 1
debugd8 %1
%endmacro
%macro debugd64 1
save_registers
mov rsi, %1
lea rdi, [rel fmtzd]
xor eax, eax
save_sp
align_sp
call printf wrt ..plt
restore_sp
restore_registers
%endmacro
%macro debugu8 1
save_registers
movzx esi, %1
lea rdi, [rel fmtu]
xor eax, eax
save_sp
align_sp
call printf wrt ..plt
restore_sp
restore_registers
%endmacro
%macro debugu16 1
debugu8 %1
%endmacro
%macro debugu32 1
save_registers
mov esi, %1
lea rdi, [rel fmtu]
xor eax, eax
save_sp
align_sp
call printf wrt ..plt
restore_sp
restore_registers
%endmacro
%macro debugu64 1
save_registers
mov rsi, %1
lea rdi, [rel fmtzu]
xor eax, eax
save_sp
align_sp
call printf wrt ..plt
restore_sp
restore_registers
%endmacro
%macro debugx8 1
save_registers
movzx esi, %1
lea rdi, [rel fmtx]
xor eax, eax
save_sp
align_sp
call printf wrt ..plt
restore_sp
restore_registers
%endmacro
%macro debugx16 1
debugx8 %1
%endmacro
%macro debugx32 1
save_registers
mov esi, %1
lea rdi, [rel fmtx]
xor eax, eax
save_sp
align_sp
call printf wrt ..plt
restore_sp
restore_registers
%endmacro
%macro debugx64 1
save_registers
mov rsi, %1
lea rdi, [rel fmtzx]
xor eax, eax
save_sp
align_sp
call printf wrt ..plt
restore_sp
restore_registers
%endmacro
%macro debugf 1
save_registers
cvtss2sd xmm0, %1
lea rdi, [rel fmtf]
mov eax, 1
save_sp
align_sp
call printf wrt ..plt
restore_sp
restore_registers
%endmacro
%macro debugc 1
save_registers
movzx esi, %1
lea rdi, [rel fmtc]
xor eax, eax
save_sp
align_sp
call printf wrt ..plt
restore_sp
restore_registers
%endmacro
%macro debugs 1
save_registers
mov rsi, %1
lea rdi, [rel fmts]
xor eax, eax
save_sp
align_sp
call printf wrt ..plt
restore_sp
restore_registers
%endmacro