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capture: make structs more cross-platform

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There were some GCC'isms here that don't port well to mingw
(and likely other win32 compilers). Of note are the removal
of #pragma pack to instead use the GCC attributes or MSVC
declarations. Also we cannot be so liberal in our use of
bitflags, we need to use common types from neighbors.
This commit is contained in:
Christian Hergert
2019-05-06 20:01:25 -07:00
parent b6d24dafcf
commit 191754e505
1 changed files with 65 additions and 33 deletions
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98
lib/capture/sp-capture-types.h
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@ -32,6 +32,14 @@ G_BEGIN_DECLS
#define SP_CAPTURE_MAGIC (GUINT32_TO_LE(0xFDCA975E))
#define SP_CAPTURE_ALIGN (sizeof(SpCaptureAddress))
#if defined(_MSC_VER)
# define SP_ALIGNED_BEGIN(_N) __declspec(align (_N))
# define SP_ALIGNED_END(_N)
#else
# define SP_ALIGNED_BEGIN(_N)
# define SP_ALIGNED_END(_N) __attribute__((aligned ((_N))))
#endif
#if GLIB_SIZEOF_VOID_P == 8
# define SP_CAPTURE_JITMAP_MARK G_GUINT64_CONSTANT(0xE000000000000000)
# define SP_CAPTURE_ADDRESS_FORMAT "0x%016lx"
@ -73,32 +81,35 @@ typedef enum
SP_CAPTURE_FRAME_MARK = 10,
} SpCaptureFrameType;
#pragma pack(push, 1)
SP_ALIGNED_BEGIN(1)
typedef struct
{
guint32 magic;
guint8 version;
guint32 version : 8;
guint32 little_endian : 1;
guint32 padding : 23;
gchar capture_time[64];
gint64 time;
gint64 end_time;
gchar suffix[168];
} SpCaptureFileHeader;
} SpCaptureFileHeader
SP_ALIGNED_END(1);
SP_ALIGNED_BEGIN(1)
typedef struct
{
guint16 len;
gint16 cpu;
gint32 pid;
gint64 time;
guint8 type;
guint32 padding1;
guint32 padding2 : 24;
guint32 type : 8;
guint32 padding1 : 24;
guint32 padding2;
guint8 data[0];
} SpCaptureFrame;
} SpCaptureFrame
SP_ALIGNED_END(1);
SP_ALIGNED_BEGIN(1)
typedef struct
{
SpCaptureFrame frame;
@ -107,65 +118,83 @@ typedef struct
guint64 offset;
guint64 inode;
gchar filename[0];
} SpCaptureMap;
} SpCaptureMap
SP_ALIGNED_END(1);
SP_ALIGNED_BEGIN(1)
typedef struct
{
SpCaptureFrame frame;
guint32 n_jitmaps;
guint8 data[0];
} SpCaptureJitmap;
} SpCaptureJitmap
SP_ALIGNED_END(1);
SP_ALIGNED_BEGIN(1)
typedef struct
{
SpCaptureFrame frame;
gchar cmdline[0];
} SpCaptureProcess;
} SpCaptureProcess
SP_ALIGNED_END(1);
SP_ALIGNED_BEGIN(1)
typedef struct
{
SpCaptureFrame frame;
guint16 n_addrs;
guint32 padding1;
guint32 padding2 : 16;
guint32 n_addrs : 16;
guint32 padding1 : 16;
guint32 padding2;
SpCaptureAddress addrs[0];
} SpCaptureSample;
} SpCaptureSample
SP_ALIGNED_END(1);
SP_ALIGNED_BEGIN(1)
typedef struct
{
SpCaptureFrame frame;
GPid child_pid;
} SpCaptureFork;
gint32 child_pid;
} SpCaptureFork
SP_ALIGNED_END(1);
SP_ALIGNED_BEGIN(1)
typedef struct
{
SpCaptureFrame frame;
} SpCaptureExit;
} SpCaptureExit
SP_ALIGNED_END(1);
SP_ALIGNED_BEGIN(1)
typedef struct
{
SpCaptureFrame frame;
} SpCaptureTimestamp;
} SpCaptureTimestamp
SP_ALIGNED_END(1);
SP_ALIGNED_BEGIN(1)
typedef struct
{
gchar category[32];
gchar name[32];
gchar description[52];
guint32 id : 24;
guint8 type;
guint32 type : 8;
SpCaptureCounterValue value;
} SpCaptureCounter;
} SpCaptureCounter
SP_ALIGNED_END(1);
SP_ALIGNED_BEGIN(1)
typedef struct
{
SpCaptureFrame frame;
guint16 n_counters;
guint32 padding1;
guint32 padding2 : 16;
guint32 n_counters : 16;
guint32 padding1 : 16;
guint32 padding2;
SpCaptureCounter counters[0];
} SpCaptureFrameCounterDefine;
} SpCaptureFrameCounterDefine
SP_ALIGNED_END(1);
SP_ALIGNED_BEGIN(1)
typedef struct
{
/*
@ -175,17 +204,21 @@ typedef struct
*/
guint32 ids[8];
SpCaptureCounterValue values[8];
} SpCaptureCounterValues;
} SpCaptureCounterValues
SP_ALIGNED_END(1);
SP_ALIGNED_BEGIN(1)
typedef struct
{
SpCaptureFrame frame;
guint16 n_values;
guint32 padding1;
guint32 padding2 : 16;
guint32 n_values : 16;
guint32 padding1 : 16;
guint32 padding2;
SpCaptureCounterValues values[0];
} SpCaptureFrameCounterSet;
} SpCaptureFrameCounterSet
SP_ALIGNED_END(1);
SP_ALIGNED_BEGIN(1)
typedef struct
{
SpCaptureFrame frame;
@ -193,9 +226,8 @@ typedef struct
gchar group[24];
gchar name[40];
gchar message[0];
} SpCaptureMark;
#pragma pack(pop)
} SpCaptureMark
SP_ALIGNED_END(1);
G_STATIC_ASSERT (sizeof (SpCaptureFileHeader) == 256);
G_STATIC_ASSERT (sizeof (SpCaptureFrame) == 24);