#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */

/* Variables and functions */
int /*<<< orphan*/ printf(char *);
void usage(void) {
  printf("usage: binpatch [-h] <ofile> <ifile> <reloc> <off> <byte0> "
         "[<byte1> [<byte2> [<byte3>]]]\n");
  printf("this function patches binary file at specified offset with\n");
  printf("up to 4 bytes provided on command line \n");
  printf("-h       - prints this message\n\n");
  printf("<ofile>  - output file\n");
  printf("<ifile>  - input ifile\n");
  printf("<reloc>  - relocation address of image\n");
  printf("<off>    - offset of patch, offset in file is at off - reloc\n");
  printf("<byte0>  - byte 0 of patch\n");
  printf("<byte1>  - byte 1 of patch\n");
  printf("<byte2>  - byte 1 of patch\n");
  printf("<byte3>  - byte 1 of patch\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xf33(%rip),%rdi
call   1030 <printf@plt>
lea    0xf63(%rip),%rdi
call   1030 <printf@plt>
lea    0xf80(%rip),%rdi
call   1030 <printf@plt>
lea    0xf95(%rip),%rdi
call   1030 <printf@plt>
lea    0xfa1(%rip),%rdi
call   1030 <printf@plt>
lea    0xfad(%rip),%rdi
call   1030 <printf@plt>
lea    0xfc9(%rip),%rdi
call   1030 <printf@plt>
lea    0xffb(%rip),%rdi
call   1030 <printf@plt>
lea    0x100b(%rip),%rdi
call   1030 <printf@plt>
lea    0x101b(%rip),%rdi
call   1030 <printf@plt>
lea    0x102b(%rip),%rdi
call   1030 <printf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rax
lea    0xee8(%rip),%rdi
call   1030 <puts@plt>
lea    0xf35(%rip),%rdi
call   1030 <puts@plt>
lea    0xf64(%rip),%rdi
call   1030 <puts@plt>
lea    0xf80(%rip),%rdi
call   1030 <puts@plt>
lea    0xf94(%rip),%rdi
call   1030 <puts@plt>
lea    0xf9f(%rip),%rdi
call   1030 <puts@plt>
lea    0xfaa(%rip),%rdi
call   1030 <puts@plt>
lea    0xfc5(%rip),%rdi
call   1030 <puts@plt>
lea    0xff6(%rip),%rdi
call   1030 <puts@plt>
lea    0x1005(%rip),%rdi
call   1030 <puts@plt>
lea    0x1014(%rip),%rdi
call   1030 <puts@plt>
lea    0x1023(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [90 x i8] c"usage: binpatch [-h] <ofile> <ifile> <reloc> <off> <byte0> [<byte1> [<byte2> [<byte3>]]]\0A\00"
@.str.1 = [60 x i8] c"this function patches binary file at specified offset with\0A\00"
@.str.2 = [41 x i8] c"up to 4 bytes provided on command line \0A\00"
@.str.3 = [33 x i8] c"-h - prints this message\0A\0A\00"
@.str.4 = [24 x i8] c"<ofile> - output file\0A\00"
@.str.5 = [24 x i8] c"<ifile> - input ifile\0A\00"
@.str.6 = [40 x i8] c"<reloc> - relocation address of image\0A\00"
@.str.7 = [62 x i8] c"<off> - offset of patch, offset in file is at off - reloc\0A\00"
@.str.8 = [28 x i8] c"<byte0> - byte 0 of patch\0A\00"
@.str.9 = [28 x i8] c"<byte1> - byte 1 of patch\0A\00"
@.str.10 = [28 x i8] c"<byte2> - byte 1 of patch\0A\00"
@.str.11 = [28 x i8] c"<byte3> - byte 1 of patch\0A\00"
define void @usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([90 x i8], [90 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([40 x i8], [40 x i8]* @.str.6, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([62 x i8], [62 x i8]* @.str.7, i64 0, i64 0))
%9 = call i32 @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.8, i64 0, i64 0))
%10 = call i32 @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.9, i64 0, i64 0))
%11 = call i32 @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.10, i64 0, i64 0))
%12 = call i32 @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.11, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str = [89 x i8] c"usage: binpatch [-h] <ofile> <ifile> <reloc> <off> <byte0> [<byte1> [<byte2> [<byte3>]]]\00"
@str.12 = [59 x i8] c"this function patches binary file at specified offset with\00"
@str.13 = [40 x i8] c"up to 4 bytes provided on command line \00"
@str.14 = [32 x i8] c"-h - prints this message\0A\00"
@str.15 = [23 x i8] c"<ofile> - output file\00"
@str.16 = [23 x i8] c"<ifile> - input ifile\00"
@str.17 = [39 x i8] c"<reloc> - relocation address of image\00"
@str.18 = [61 x i8] c"<off> - offset of patch, offset in file is at off - reloc\00"
@str.19 = [27 x i8] c"<byte0> - byte 0 of patch\00"
@str.20 = [27 x i8] c"<byte1> - byte 1 of patch\00"
@str.21 = [27 x i8] c"<byte2> - byte 1 of patch\00"
@str.22 = [27 x i8] c"<byte3> - byte 1 of patch\00"
define void @usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([89 x i8], [89 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([59 x i8], [59 x i8]* @str.12, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([40 x i8], [40 x i8]* @str.13, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([32 x i8], [32 x i8]* @str.14, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @str.15, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @str.16, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([39 x i8], [39 x i8]* @str.17, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([61 x i8], [61 x i8]* @str.18, i64 0, i64 0))
%9 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @str.19, i64 0, i64 0))
%10 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @str.20, i64 0, i64 0))
%11 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @str.21, i64 0, i64 0))
%12 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @str.22, i64 0, i64 0))
ret void
}