APCASE2 Updates

Appendices/Appendix_G_Using CPUID/Program_G.1/x86/Program_G.1_macOS_Linux.cpp

@@ -21,7 +21,7 @@ int main()
         "xorl %%ecx, %%ecx \n\t"             // ECX = 0
         "cpuid \n\t"
         "movl %%ebx, %[eFeatures1] \n\t"
-        "movl $80000001h, %%eax \n\t"        // EAX = 80000001h
+        "movl $0x80000001, %%eax \n\t"        // EAX = 80000001h
         "cpuid \n\t"
         "movl %%edx, %[eFeatures2] \n\t"
         :[features1] "=m"(features1),        // outputs

Appendices/Appendix_G_Using CPUID/Program_G.1/x86_64/Program_G.1_macOS_Linux.cpp

@@ -24,7 +24,7 @@ int main()
          "xorq %%rcx, %%rcx \n\t"             // RCX = 0
          "cpuid \n\t"
          "movq %%rbx, %[eFeatures1] \n\t"
-         "movq $80000001h, %%rax \n\t"        // RAX = 80000001h
+         "movq $0x80000001, %%rax \n\t"       // RAX = 80000001h
          "cpuid \n\t"
          "movq %%rdx, %[eFeatures2] \n\t"
          :[features1] "=m"(features1),        // outputs

Chapter_5/Program 5.2/x86_64/Program_5.2_GAS_macOS.s

@@ -14,6 +14,6 @@ myLoop:
    loop myLoop
 
 movq $0x2000001, %rax
-movq $0, %rdi
+xorq %rdi, %rdi
 syscall
 .end

Chapter_5/Program 5.3/x86_64/Program_5.3_GAS_macOS.s

@@ -20,6 +20,6 @@ outer:
     jne outer
 
 movq $0x2000001, %rax
-movq $0, %rdi
+xorq %rdi, %rdi
 syscall
 .end

Chapter_5/Program 5.4/x86_64/Program_5.4_GAS_macOS.s

@@ -15,6 +15,6 @@ while_loop:
 done:
 
 movq $0x2000001, %rax
-movq $0, %rdi
+xorq %rdi, %rdi
 syscall
 .end

Chapter_6/Program 6.1/x86_64/Program_6.1_GAS_Linux.s

@@ -0,0 +1,38 @@
+# Program 6.1
+# Sum Program - GAS, Clang/LLVM on Linux (64-bit)
+# Copyright (c) 2020 Hall & Slonka
+
+.data
+num1: .long 2
+num2: .long 4
+
+.text
+.global _main, _sum
+_main:
+
+movq $10, %rax
+decq %rax
+movq $5, %rbx
+
+movslq num1(%rip), %rdi
+movslq num2(%rip), %rsi
+callq _sum
+
+addq %rbx, %rax
+decq %rax
+
+movq $60, %rax
+xorq %rdi, %rdi
+syscall
+
+_sum:
+pushq %rbp
+movq %rsp, %rbp
+pushq %rbx
+movq %rdi, %rax
+addq %rsi, %rax
+popq %rbx
+popq %rbp
+retq
+
+.end

Chapter_6/Program 6.1/x86_64/Program_6.1_GAS_macOS.s

@@ -0,0 +1,38 @@
+# Program 6.1
+# Sum Program - GAS, Clang/LLVM on macOS (64-bit)
+# Copyright (c) 2020 Hall & Slonka
+
+.data
+num1: .long 2
+num2: .long 4
+
+.text
+.global _main, _sum
+_main:
+
+movq $10, %rax
+decq %rax
+movq $5, %rbx
+
+movslq num1(%rip), %rdi
+movslq num2(%rip), %rsi
+callq _sum
+
+addq %rbx, %rax
+decq %rax
+
+movq $0x2000001, %rax
+movq $0, %rdi
+syscall
+
+_sum:
+pushq %rbp
+movq %rsp, %rbp
+pushq %rbx
+movq %rdi, %rax
+addq %rsi, %rax
+popq %rbx
+popq %rbp
+retq
+
+.end

Chapter_6/Program 6.1/x86_64/Program_6.1_MASM.asm

@@ -0,0 +1,41 @@
+; Program 6.1
+; Sum Program - MASM (64-bit)
+; Copyright (c) 2020 Hall & Slonka
+
+extrn ExitProcess : proc
+
+.data
+num1 DWORD 2
+num2 DWORD 4
+
+.code
+_main PROC
+
+mov rax, 10
+dec rax
+mov rbx, 5
+
+movsxd rcx, num1
+movsxd rdx, num2
+call _sum
+
+add rax, rbx
+dec rax
+
+mov rcx, 0
+call ExitProcess
+_main ENDP
+
+_sum PROC
+push rbp
+push rbx
+sub rsp, 20h
+lea rbp, [rsp + 20h]
+mov rax, rcx
+add rax, rdx
+lea rsp, [rbp]
+pop rbx
+pop rbp
+ret
+_sum ENDP
+END

Chapter_6/Program 6.1/x86_64/Program_6.1_NASM.asm

@@ -0,0 +1,36 @@
+; Program 6.1
+; Sum Program - NASM (64-bit)
+; Copyright (c) 2020 Hall & Slonka
+
+section .data
+num1: dd 2
+num2: dd 4
+
+section .text
+global _main, _sum
+_main:
+
+mov rax, 10
+dec rax
+mov rbx, 5
+
+movsx rdi, DWORD [rel num1]
+movsx rsi, DWORD [rel num2]
+call _sum
+
+add rax, rbx
+dec rax
+
+mov rax, 60
+xor rdi, rdi
+syscall
+
+_sum:
+push rbp
+mov rbp, rsp
+push rbx
+mov rax, rdi
+add rax, rsi
+pop rbx
+pop rbp
+ret

Chapter_8/Program 8.2_x87_FPU_RC/x86/Program_8.2_GAS_Linux.s

@@ -36,7 +36,7 @@ fldcw nearest           # set desired rounding mode
 
 fldpi                   # load pi on the stack
 frndint                 # round to integer (uses rounding mode)
-fists result            # store from stack to memory
+fists result            # store from FPU stack to memory
 movl result, %eax       # mov rounded result to EAX
 
 movl $1, %eax

Chapter_8/Program 8.2_x87_FPU_RC/x86/Program_8.2_GAS_macOS.s

@@ -36,7 +36,7 @@ fldcw nearest           # set desired rounding mode
 
 fldpi                   # load pi on the stack
 frndint                 # round to integer (uses rounding mode)
-fists result            # store from stack to memory
+fists result            # store from FPU stack to memory
 movl result, %eax       # mov rounded result to EAX
 
 pushl $0

Chapter_8/Program 8.2_x87_FPU_RC/x86/Program_8.2_MASM.asm

@@ -39,7 +39,7 @@ fldcw nearest		; set desired rounding mode
 
 fldpi			; load pi on the stack
 frndint 		; round to integer (uses rounding mode)
-fist result		; store from stack to memory
+fist result		; store from FPU stack to memory
 mov eax, result		; mov rounded result to EAX
 
 INVOKE ExitProcess, 0

Chapter_8/Program 8.2_x87_FPU_RC/x86/Program_8.2_NASM.asm

@@ -36,7 +36,7 @@ fldcw [nearest]		; set desired rounding mode
 
 fldpi			; load pi on the stack
 frndint 		; round to integer (uses rounding mode)
-fist DWORD [result]	; store from stack to memory
+fist DWORD [result]	; store from FPU stack to memory
 mov eax, [result]	; mov rounded result to EAX
 
 mov eax, 1

Chapter_8/Program 8.2_x87_FPU_RC/x86_64/Program_8.2_GAS_Linux.s

@@ -35,7 +35,7 @@ fldcw nearest(%rip)             # set desired rounding mode
 
 fldpi                           # load pi on the stack
 frndint                         # round to integer (uses rounding mode)
-fistpq result(%rip)             # store from stack to memory
+fistpq result(%rip)             # store from FPU stack to memory
 movq result(%rip), %rax         # mov rounded result to RAX
 
 movq $60, %rax

Chapter_8/Program 8.2_x87_FPU_RC/x86_64/Program_8.2_GAS_macOS.s

@@ -36,7 +36,7 @@ fldcw nearest(%rip)             # set desired rounding mode
 
 fldpi                           # load pi on the stack
 frndint                         # round to integer (uses rounding mode)
-fistpq result(%rip)             # store from stack to memory
+fistpq result(%rip)             # store from FPU stack to memory
 movq result(%rip), %rax         # mov rounded result to RAX
 
 movq $0x2000001, %rax

Chapter_8/Program 8.2_x87_FPU_RC/x86_64/Program_8.2_MASM.asm

@@ -35,7 +35,7 @@ fldcw nearest		; set desired rounding mode
 
 fldpi			; load pi on the stack
 frndint 		; round to integer (uses rounding mode)
-fistp result		; store from stack to memory
+fistp result		; store from FPU stack to memory
 mov rax, result		; mov rounded result to RAX
 
 xor rcx, rcx

Chapter_8/Program 8.2_x87_FPU_RC/x86_64/Program_8.2_NASM.asm

@@ -36,7 +36,7 @@ fldcw [rel nearest]		; set desired rounding mode
 
 fldpi				; load pi on the stack
 frndint 			; round to integer (uses rounding mode)
-fistp QWORD [rel result]	; store from stack to memory
+fistp QWORD [rel result]	; store from FPU stack to memory
 mov rax, [rel result]		; mov rounded result to RAX
 
 mov rax, 60