diff options
Diffstat (limited to 'abseil-cpp/absl/base/internal/direct_mmap.h')
| -rw-r--r-- | abseil-cpp/absl/base/internal/direct_mmap.h | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/abseil-cpp/absl/base/internal/direct_mmap.h b/abseil-cpp/absl/base/internal/direct_mmap.h index 16accf0..1beb2ee 100644 --- a/abseil-cpp/absl/base/internal/direct_mmap.h +++ b/abseil-cpp/absl/base/internal/direct_mmap.h @@ -20,7 +20,7 @@ #include "absl/base/config.h" -#if ABSL_HAVE_MMAP +#ifdef ABSL_HAVE_MMAP #include <sys/mman.h> @@ -41,13 +41,13 @@ #ifdef __mips__ // Include definitions of the ABI currently in use. -#ifdef __BIONIC__ +#if defined(__BIONIC__) || !defined(__GLIBC__) // Android doesn't have sgidefs.h, but does have asm/sgidefs.h, which has the // definitions we need. #include <asm/sgidefs.h> #else #include <sgidefs.h> -#endif // __BIONIC__ +#endif // __BIONIC__ || !__GLIBC__ #endif // __mips__ // SYS_mmap and SYS_munmap are not defined in Android. @@ -72,12 +72,15 @@ namespace base_internal { // Platform specific logic extracted from // https://chromium.googlesource.com/linux-syscall-support/+/master/linux_syscall_support.h inline void* DirectMmap(void* start, size_t length, int prot, int flags, int fd, - off64_t offset) noexcept { + off_t offset) noexcept { #if defined(__i386__) || defined(__ARM_ARCH_3__) || defined(__ARM_EABI__) || \ + defined(__m68k__) || defined(__sh__) || \ + (defined(__hppa__) && !defined(__LP64__)) || \ (defined(__mips__) && _MIPS_SIM == _MIPS_SIM_ABI32) || \ (defined(__PPC__) && !defined(__PPC64__)) || \ (defined(__riscv) && __riscv_xlen == 32) || \ - (defined(__s390__) && !defined(__s390x__)) + (defined(__s390__) && !defined(__s390x__)) || \ + (defined(__sparc__) && !defined(__arch64__)) // On these architectures, implement mmap with mmap2. static int pagesize = 0; if (pagesize == 0) { @@ -94,11 +97,12 @@ inline void* DirectMmap(void* start, size_t length, int prot, int flags, int fd, #ifdef __BIONIC__ // SYS_mmap2 has problems on Android API level <= 16. // Workaround by invoking __mmap2() instead. - return __mmap2(start, length, prot, flags, fd, offset / pagesize); + return __mmap2(start, length, prot, flags, fd, + static_cast<size_t>(offset / pagesize)); #else return reinterpret_cast<void*>( syscall(SYS_mmap2, start, length, prot, flags, fd, - static_cast<off_t>(offset / pagesize))); + static_cast<unsigned long>(offset / pagesize))); // NOLINT #endif #elif defined(__s390x__) // On s390x, mmap() arguments are passed in memory. |