#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*/ fprintf(int /*<<< orphan*/, char *, ...);
int /*<<< orphan*/ stderr;
void usage(const char *name) {
  fprintf(stderr, "usage: %s [-h] [-j|--jit] [-m|--mem PATH] BINARY\n", name);
  fprintf(
      stderr,
      "\nExecutes the eBPF code in BINARY and prints the result to stdout.\n");
  fprintf(stderr, "If --mem is given then the specified file will be read and "
                  "a pointer\nto its data passed in r1.\n");
  fprintf(stderr, "If --jit is given then the JIT compiler will be used.\n");
  fprintf(stderr, "\nOther options:\n");
  fprintf(stderr, "  -r, --register-offset NUM: Change the mapping from eBPF "
                  "to x86 registers\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    0x2ebd(%rip),%rax
mov    (%rax),%edi
mov    -0x8(%rbp),%rdx
lea    0xed0(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2ea2(%rip),%rax
mov    (%rax),%edi
lea    0xeeb(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e8b(%rip),%rax
mov    (%rax),%edi
lea    0xf18(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e74(%rip),%rax
mov    (%rax),%edi
lea    0xf61(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e5d(%rip),%rax
mov    (%rax),%edi
lea    0xf81(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e46(%rip),%rax
mov    (%rax),%edi
lea    0xf7b(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rbx
mov    %rdi,%rdx
mov    0x2ec5(%rip),%rbx
mov    (%rbx),%edi
lea    0xedc(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xefe(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf32(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf82(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xfa9(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xfaa(%rip),%rsi
xor    %eax,%eax
pop    %rbx
jmp    1030 <fprintf@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [50 x i8] c"usage: %s [-h] [-j|--jit] [-m|--mem PATH] BINARY\0A\00"
@.str.1 = [68 x i8] c"\0AExecutes the eBPF code in BINARY and prints the result to stdout.\0A\00"
@.str.2 = [96 x i8] c"If --mem is given then the specified file will be read and a pointer\0Ato its data passed in r1.\0A\00"
@.str.3 = [55 x i8] c"If --jit is given then the JIT compiler will be used.\0A\00"
@.str.4 = [17 x i8] c"\0AOther options:\0A\00"
@.str.5 = [76 x i8] c" -r, --register-offset NUM: Change the mapping from eBPF to x86 registers\0A\00"
define void @usage(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = load i32, i32* @stderr
%4 = load i8*, i8** %2
%5 = call i32 (i32, i8*, ...) @fprintf(i32 %3, i8* getelementptr inbounds ([50 x i8], [50 x i8]* @.str, i64 0, i64 0), i8* %4)
%6 = load i32, i32* @stderr
%7 = call i32 (i32, i8*, ...) @fprintf(i32 %6, i8* getelementptr inbounds ([68 x i8], [68 x i8]* @.str.1, i64 0, i64 0))
%8 = load i32, i32* @stderr
%9 = call i32 (i32, i8*, ...) @fprintf(i32 %8, i8* getelementptr inbounds ([96 x i8], [96 x i8]* @.str.2, i64 0, i64 0))
%10 = load i32, i32* @stderr
%11 = call i32 (i32, i8*, ...) @fprintf(i32 %10, i8* getelementptr inbounds ([55 x i8], [55 x i8]* @.str.3, i64 0, i64 0))
%12 = load i32, i32* @stderr
%13 = call i32 (i32, i8*, ...) @fprintf(i32 %12, i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.4, i64 0, i64 0))
%14 = load i32, i32* @stderr
%15 = call i32 (i32, i8*, ...) @fprintf(i32 %14, i8* getelementptr inbounds ([76 x i8], [76 x i8]* @.str.5, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [50 x i8] c"usage: %s [-h] [-j|--jit] [-m|--mem PATH] BINARY\0A\00"
@.str.1 = [68 x i8] c"\0AExecutes the eBPF code in BINARY and prints the result to stdout.\0A\00"
@.str.2 = [96 x i8] c"If --mem is given then the specified file will be read and a pointer\0Ato its data passed in r1.\0A\00"
@.str.3 = [55 x i8] c"If --jit is given then the JIT compiler will be used.\0A\00"
@.str.4 = [17 x i8] c"\0AOther options:\0A\00"
@.str.5 = [76 x i8] c" -r, --register-offset NUM: Change the mapping from eBPF to x86 registers\0A\00"
define void @usage(i8* %0) {
%2 = load i32, i32* @stderr
%3 = tail call i32 (i32, i8*, ...) @fprintf(i32 %2, i8* getelementptr inbounds ([50 x i8], [50 x i8]* @.str, i64 0, i64 0), i8* %0)
%4 = load i32, i32* @stderr
%5 = tail call i32 (i32, i8*, ...) @fprintf(i32 %4, i8* getelementptr inbounds ([68 x i8], [68 x i8]* @.str.1, i64 0, i64 0))
%6 = load i32, i32* @stderr
%7 = tail call i32 (i32, i8*, ...) @fprintf(i32 %6, i8* getelementptr inbounds ([96 x i8], [96 x i8]* @.str.2, i64 0, i64 0))
%8 = load i32, i32* @stderr
%9 = tail call i32 (i32, i8*, ...) @fprintf(i32 %8, i8* getelementptr inbounds ([55 x i8], [55 x i8]* @.str.3, i64 0, i64 0))
%10 = load i32, i32* @stderr
%11 = tail call i32 (i32, i8*, ...) @fprintf(i32 %10, i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.4, i64 0, i64 0))
%12 = load i32, i32* @stderr
%13 = tail call i32 (i32, i8*, ...) @fprintf(i32 %12, i8* getelementptr inbounds ([76 x i8], [76 x i8]* @.str.5, i64 0, i64 0))
ret void
}