New

#include "gwp_asan/guarded_pool_allocator.h"

gwp_asan::GuardedPoolAllocator *GPA;
extern "C" bool AsmDumpHelperFunc() {
  return GPA->shouldSample();
}
=======================================================================================
  // Return whether the allocation should be randomly chosen for sampling.
  ALWAYS_INLINE bool shouldSample() {
    // NextSampleCounter == 0 means we "should regenerate the counter".
    //                   == 1 means we "should sample this allocation".
    if (UNLIKELY(NextSampleCounter == 0))
      NextSampleCounter =
          (random::getRandomUnsigned64() % AdjustedSampleRate) + 1;

    // GuardedPagePool != 0 if GWP-ASan is enabled.
    return UNLIKELY(NextSampleCounter-- == 1) && LIKELY(GuardedPagePool != 0);
  }
=======================================================================================
0000000000000000 <AsmDumpHelperFunc>:
AsmDumpHelperFunc():
//llvm/compiler-rt/lib/gwp_asan/shouldsample_donotsubmit.cpp:4
#include "gwp_asan/guarded_pool_allocator.h"

gwp_asan::GuardedPoolAllocator *GPA;
extern "C" bool AsmDumpHelperFunc() {
   0: 41 57                 push   %r15
   2: 41 56                 push   %r14
   4: 53                    push   %rbx
//llvm/compiler-rt/lib/gwp_asan/shouldsample_donotsubmit.cpp:5
  return GPA->shouldSample();
   5: 48 8b 05 00 00 00 00  mov    0x0(%rip),%rax        # c <AsmDumpHelperFunc+0xc>
   c: 4c 8b 30              mov    (%rax),%r14
//llvm/compiler-rt/lib/gwp_asan/../gwp_asan/guarded_pool_allocator.h:100

  // Return whether the allocation should be randomly chosen for sampling.
  ALWAYS_INLINE bool shouldSample() {
    // NextSampleCounter == 0 means we "should regenerate the counter".
    //                   == 1 means we "should sample this allocation".
    if (UNLIKELY(NextSampleCounter == 0))
   f: 48 83 3d 00 00 00 00  cmpq   $0x0,0x0(%rip)        # 17 <AsmDumpHelperFunc+0x17>
  16: 00
  17: 74 05                 je     1e <AsmDumpHelperFunc+0x1e>
  19: e8 00 00 00 00        callq  1e <AsmDumpHelperFunc+0x1e>
  1e: 4c 8b 3d 00 00 00 00  mov    0x0(%rip),%r15        # 25 <AsmDumpHelperFunc+0x25>
  25: 64 49 8b 1f           mov    %fs:(%r15),%rbx
  29: 48 85 db              test   %rbx,%rbx
  2c: 74 29                 je     57 <AsmDumpHelperFunc+0x57>
//llvm/compiler-rt/lib/gwp_asan/../gwp_asan/guarded_pool_allocator.h:105
      NextSampleCounter =
          (random::getRandomUnsigned64() % AdjustedSampleRate) + 1;

    // GuardedPagePool != 0 if GWP-ASan is enabled.
    return UNLIKELY(NextSampleCounter-- == 1) && LIKELY(GuardedPagePool != 0);
  2e: 48 83 3d 00 00 00 00  cmpq   $0x0,0x0(%rip)        # 36 <AsmDumpHelperFunc+0x36>
  35: 00
  36: 74 09                 je     41 <AsmDumpHelperFunc+0x41>
  38: e8 00 00 00 00        callq  3d <AsmDumpHelperFunc+0x3d>
  3d: 64 49 8b 1f           mov    %fs:(%r15),%rbx
  41: 48 8d 43 ff           lea    -0x1(%rbx),%rax
  45: 64 49 89 07           mov    %rax,%fs:(%r15)
  49: 48 83 fb 01           cmp    $0x1,%rbx
  4d: 74 39                 je     88 <AsmDumpHelperFunc+0x88>
  4f: 31 c0                 xor    %eax,%eax
//llvm/compiler-rt/lib/gwp_asan/shouldsample_donotsubmit.cpp:5
  51: 5b                    pop    %rbx
  52: 41 5e                 pop    %r14
  54: 41 5f                 pop    %r15
  56: c3                    retq
//llvm/compiler-rt/lib/gwp_asan/../gwp_asan/guarded_pool_allocator.h:102
          (random::getRandomUnsigned64() % AdjustedSampleRate) + 1;
  57: e8 00 00 00 00        callq  5c <AsmDumpHelperFunc+0x5c>
  5c: 31 d2                 xor    %edx,%edx
  5e: 49 f7 76 58           divq   0x58(%r14)
  62: 48 89 d3              mov    %rdx,%rbx
  65: 48 83 c3 01           add    $0x1,%rbx
//llvm/compiler-rt/lib/gwp_asan/../gwp_asan/guarded_pool_allocator.h:101
      NextSampleCounter =
  69: 48 83 3d 00 00 00 00  cmpq   $0x0,0x0(%rip)        # 71 <AsmDumpHelperFunc+0x71>
  70: 00
  71: 74 05                 je     78 <AsmDumpHelperFunc+0x78>
  73: e8 00 00 00 00        callq  78 <AsmDumpHelperFunc+0x78>
  78: 64 49 89 1f           mov    %rbx,%fs:(%r15)
//llvm/compiler-rt/lib/gwp_asan/../gwp_asan/guarded_pool_allocator.h:105
    return UNLIKELY(NextSampleCounter-- == 1) && LIKELY(GuardedPagePool != 0);
  7c: 48 83 3d 00 00 00 00  cmpq   $0x0,0x0(%rip)        # 84 <AsmDumpHelperFunc+0x84>
  83: 00
  84: 75 b2                 jne    38 <AsmDumpHelperFunc+0x38>
  86: eb b9                 jmp    41 <AsmDumpHelperFunc+0x41>
  88: 49 83 7e 20 00        cmpq   $0x0,0x20(%r14)
  8d: 0f 95 c0              setne  %al
  90: eb bf                 jmp    51 <AsmDumpHelperFunc+0x51>