diff options
| author |  Milad Fa <46688537+miladfarca@users.noreply.github.com> | 2021-09-23 16:23:02 -0400 |
|---|---|---|
| committer |  GitHub <noreply@github.com> | 2021-09-23 16:23:02 -0400 |
| commit | f3a42743db4df4c98e1df690045577c775daf20b (patch) | |
| tree | e63f48001f0d1e339d9c1b95fcdbf2c6da4edcd5 /absl/base | |
| parent | 020619c4aa68d13dfbdd6107a373912bb5ea85af (diff) | |
Initial support for AIX (#1021)
* Init support of AIX
* make sysinfo change AIX specific
* Relocate TBF
* Add comments for .csect psudo op.
Diffstat (limited to 'absl/base')
| -rw-r--r-- | absl/base/attributes.h | 8 | ||||
| -rw-r--r-- | absl/base/config.h | 10 | ||||
| -rw-r--r-- | absl/base/internal/sysinfo.cc | 2 | ||||
| -rw-r--r-- | absl/base/internal/unscaledcycleclock.cc | 4 |
4 files changed, 19 insertions, 5 deletions
diff --git a/absl/base/attributes.h b/absl/base/attributes.h index 2665d8f3..e3907827 100644 --- a/absl/base/attributes.h +++ b/absl/base/attributes.h @@ -318,8 +318,16 @@ // `__start_ ## name` and `__stop_ ## name` symbols to bracket the section. // This functionality is supported by GNU linker. #ifndef ABSL_ATTRIBUTE_SECTION_VARIABLE +#ifdef _AIX +// __attribute__((section(#name))) on AIX is achived by using the `.csect` psudo +// op which includes an additional integer as part of its syntax indcating +// alignment. If data fall under different alignments then you might get a +// compilation error indicating a `Section type conflict`. +#define ABSL_ATTRIBUTE_SECTION_VARIABLE(name) +#else #define ABSL_ATTRIBUTE_SECTION_VARIABLE(name) __attribute__((section(#name))) #endif +#endif // ABSL_DECLARE_ATTRIBUTE_SECTION_VARS // diff --git a/absl/base/config.h b/absl/base/config.h index c7b2e64d..5d3edcd2 100644 --- a/absl/base/config.h +++ b/absl/base/config.h @@ -408,10 +408,10 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' || // POSIX.1-2001. #ifdef ABSL_HAVE_MMAP #error ABSL_HAVE_MMAP cannot be directly set -#elif defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__) || \ - defined(__ros__) || defined(__native_client__) || defined(__asmjs__) || \ - defined(__wasm__) || defined(__Fuchsia__) || defined(__sun) || \ - defined(__ASYLO__) || defined(__myriad2__) +#elif defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__) || \ + defined(_AIX) || defined(__ros__) || defined(__native_client__) || \ + defined(__asmjs__) || defined(__wasm__) || defined(__Fuchsia__) || \ + defined(__sun) || defined(__ASYLO__) || defined(__myriad2__) #define ABSL_HAVE_MMAP 1 #endif @@ -422,7 +422,7 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' || #ifdef ABSL_HAVE_PTHREAD_GETSCHEDPARAM #error ABSL_HAVE_PTHREAD_GETSCHEDPARAM cannot be directly set #elif defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__) || \ - defined(__ros__) + defined(_AIX) || defined(__ros__) #define ABSL_HAVE_PTHREAD_GETSCHEDPARAM 1 #endif diff --git a/absl/base/internal/sysinfo.cc b/absl/base/internal/sysinfo.cc index 08a1e288..a7cfb461 100644 --- a/absl/base/internal/sysinfo.cc +++ b/absl/base/internal/sysinfo.cc @@ -131,6 +131,8 @@ static int GetNumCPUs() { #elif defined(_WIN32) const unsigned hardware_concurrency = Win32NumCPUs(); return hardware_concurrency ? hardware_concurrency : 1; +#elif defined(_AIX) + return sysconf(_SC_NPROCESSORS_ONLN); #else // Other possibilities: // - Read /sys/devices/system/cpu/online and use cpumask_parse() diff --git a/absl/base/internal/unscaledcycleclock.cc b/absl/base/internal/unscaledcycleclock.cc index fc07e300..4d352bd1 100644 --- a/absl/base/internal/unscaledcycleclock.cc +++ b/absl/base/internal/unscaledcycleclock.cc @@ -87,6 +87,10 @@ int64_t UnscaledCycleClock::Now() { double UnscaledCycleClock::Frequency() { #ifdef __GLIBC__ return __ppc_get_timebase_freq(); +#elif defined(_AIX) + // This is the same constant value as returned by + // __ppc_get_timebase_freq(). + return static_cast<double>(512000000); #elif defined(__FreeBSD__) static once_flag init_timebase_frequency_once; static double timebase_frequency = 0.0; |