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macros: add static assert helper

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So that we can use this from gnu99 such as from GTK.
This commit is contained in:
Christian Hergert
2020-07-04 16:11:31 -07:00
parent 50d33452ab
commit 57183ab8e2
4 changed files with 30 additions and 25 deletions
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2
src/libsysprof-capture/mapped-ring-buffer.c
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@ -55,7 +55,7 @@ typedef struct _MappedRingHeader
uint32_t size;
} MappedRingHeader;
static_assert (sizeof (MappedRingHeader) == 16, "MappedRingHeader changed size");
SYSPROF_STATIC_ASSERT (sizeof (MappedRingHeader) == 16, "MappedRingHeader changed size");
/*
* MappedRingBuffer is used to wrap both the reader and writer

4
src/libsysprof-capture/sysprof-address.h
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@ -67,8 +67,8 @@ SYSPROF_BEGIN_DECLS
typedef uint64_t SysprofAddress;
static_assert (sizeof (SysprofAddress) >= sizeof (void *),
"Address space is too big");
SYSPROF_STATIC_ASSERT (sizeof (SysprofAddress) >= sizeof (void *),
"Address space is too big");
typedef enum
{

43
src/libsysprof-capture/sysprof-capture-types.h
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@ -80,8 +80,7 @@ SYSPROF_BEGIN_DECLS
#define SYSPROF_CAPTURE_ADDRESS_FORMAT "0x%016" PRIx64
static_assert (sizeof (void *) == sizeof (uintptr_t),
"UINTPTR_MAX can’t be used to determine sizeof(void*) at compile time");
SYSPROF_STATIC_ASSERT (sizeof (void *) == sizeof (uintptr_t), "UINTPTR_MAX can’t be used to determine sizeof(void*) at compile time");
#if UINTPTR_MAX == 0xFFFFFFFFFFFFFFFFu
# define SYSPROF_CAPTURE_JITMAP_MARK SYSPROF_UINT64_CONSTANT(0xE000000000000000)
#elif UINTPTR_MAX == 0xFFFFFFFF
@ -335,27 +334,27 @@ typedef struct
} SysprofCaptureAllocation
SYSPROF_ALIGNED_END(1);
static_assert (sizeof (SysprofCaptureFileHeader) == 256, "SysprofCaptureFileHeader changed size");
static_assert (sizeof (SysprofCaptureFrame) == 24, "SysprofCaptureFrame changed size");
static_assert (sizeof (SysprofCaptureMap) == 56, "SysprofCaptureMap changed size");
static_assert (sizeof (SysprofCaptureJitmap) == 28, "SysprofCaptureJitmap changed size");
static_assert (sizeof (SysprofCaptureProcess) == 24, "SysprofCaptureProcess changed size");
static_assert (sizeof (SysprofCaptureSample) == 32, "SysprofCaptureSample changed size");
static_assert (sizeof (SysprofCaptureFork) == 28, "SysprofCaptureFork changed size");
static_assert (sizeof (SysprofCaptureExit) == 24, "SysprofCaptureExit changed size");
static_assert (sizeof (SysprofCaptureTimestamp) == 24, "SysprofCaptureTimestamp changed size");
static_assert (sizeof (SysprofCaptureCounter) == 128, "SysprofCaptureCounter changed size");
static_assert (sizeof (SysprofCaptureCounterValues) == 96, "SysprofCaptureCounterValues changed size");
static_assert (sizeof (SysprofCaptureCounterDefine) == 32, "SysprofCaptureCounterDefine changed size");
static_assert (sizeof (SysprofCaptureCounterSet) == 32, "SysprofCaptureCounterSet changed size");
static_assert (sizeof (SysprofCaptureMark) == 96, "SysprofCaptureMark changed size");
static_assert (sizeof (SysprofCaptureMetadata) == 64, "SysprofCaptureMetadata changed size");
static_assert (sizeof (SysprofCaptureLog) == 64, "SysprofCaptureLog changed size");
static_assert (sizeof (SysprofCaptureFileChunk) == 284, "SysprofCaptureFileChunk changed size");
static_assert (sizeof (SysprofCaptureAllocation) == 48, "SysprofCaptureAllocation changed size");
SYSPROF_STATIC_ASSERT (sizeof (SysprofCaptureFileHeader) == 256, "SysprofCaptureFileHeader changed size");
SYSPROF_STATIC_ASSERT (sizeof (SysprofCaptureFrame) == 24, "SysprofCaptureFrame changed size");
SYSPROF_STATIC_ASSERT (sizeof (SysprofCaptureMap) == 56, "SysprofCaptureMap changed size");
SYSPROF_STATIC_ASSERT (sizeof (SysprofCaptureJitmap) == 28, "SysprofCaptureJitmap changed size");
SYSPROF_STATIC_ASSERT (sizeof (SysprofCaptureProcess) == 24, "SysprofCaptureProcess changed size");
SYSPROF_STATIC_ASSERT (sizeof (SysprofCaptureSample) == 32, "SysprofCaptureSample changed size");
SYSPROF_STATIC_ASSERT (sizeof (SysprofCaptureFork) == 28, "SysprofCaptureFork changed size");
SYSPROF_STATIC_ASSERT (sizeof (SysprofCaptureExit) == 24, "SysprofCaptureExit changed size");
SYSPROF_STATIC_ASSERT (sizeof (SysprofCaptureTimestamp) == 24, "SysprofCaptureTimestamp changed size");
SYSPROF_STATIC_ASSERT (sizeof (SysprofCaptureCounter) == 128, "SysprofCaptureCounter changed size");
SYSPROF_STATIC_ASSERT (sizeof (SysprofCaptureCounterValues) == 96, "SysprofCaptureCounterValues changed size");
SYSPROF_STATIC_ASSERT (sizeof (SysprofCaptureCounterDefine) == 32, "SysprofCaptureCounterDefine changed size");
SYSPROF_STATIC_ASSERT (sizeof (SysprofCaptureCounterSet) == 32, "SysprofCaptureCounterSet changed size");
SYSPROF_STATIC_ASSERT (sizeof (SysprofCaptureMark) == 96, "SysprofCaptureMark changed size");
SYSPROF_STATIC_ASSERT (sizeof (SysprofCaptureMetadata) == 64, "SysprofCaptureMetadata changed size");
SYSPROF_STATIC_ASSERT (sizeof (SysprofCaptureLog) == 64, "SysprofCaptureLog changed size");
SYSPROF_STATIC_ASSERT (sizeof (SysprofCaptureFileChunk) == 284, "SysprofCaptureFileChunk changed size");
SYSPROF_STATIC_ASSERT (sizeof (SysprofCaptureAllocation) == 48, "SysprofCaptureAllocation changed size");
static_assert ((offsetof (SysprofCaptureAllocation, addrs) % SYSPROF_CAPTURE_ALIGN) == 0, "SysprofCaptureAllocation.addrs is not aligned");
static_assert ((offsetof (SysprofCaptureSample, addrs) % SYSPROF_CAPTURE_ALIGN) == 0, "SysprofCaptureSample.addrs is not aligned");
SYSPROF_STATIC_ASSERT ((offsetof (SysprofCaptureAllocation, addrs) % SYSPROF_CAPTURE_ALIGN) == 0, "SysprofCaptureAllocation.addrs is not aligned");
SYSPROF_STATIC_ASSERT ((offsetof (SysprofCaptureSample, addrs) % SYSPROF_CAPTURE_ALIGN) == 0, "SysprofCaptureSample.addrs is not aligned");
static inline int
sysprof_capture_address_compare (SysprofCaptureAddress a,

6
src/libsysprof-capture/sysprof-macros.h
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@ -70,6 +70,12 @@
#define SYSPROF_GNUC_CHECK_VERSION(major, minor) 0
#endif
#if SYSPROF_GNUC_CHECK_VERSION(4, 6)
# define SYSPROF_STATIC_ASSERT(expr, msg) _Static_assert(expr, msg)
#else
# define SYSPROF_STATIC_ASSERT(expr, msg) ((void) sizeof (char[(expr) ? 1 : -1]))
#endif
#if INT_MAX == LONG_MAX
#define SYSPROF_INT64_CONSTANT(x) x##ULL
#define SYSPROF_UINT64_CONSTANT(x) x##LL