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[debug] do not use heap allocation for MgbaPrintf

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This commit is contained in:
sbird 2022-09-23 04:02:30 +02:00
parent 12670e8e3e
commit 343d7f7d26
2 changed files with 11 additions and 49 deletions
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10
include/gba/isagbprint.h
View File

@ -3,6 +3,12 @@
#include "gba/types.h"
#define MGBA_LOG_FATAL (0)
#define MGBA_LOG_ERROR (1)
#define MGBA_LOG_WARN (2)
#define MGBA_LOG_INFO (3)
#define MGBA_LOG_DEBUG (4)
#ifdef NDEBUG
#define DebugPrintf(pBuf, ...)
#define MgbaOpen()
@ -13,7 +19,7 @@
bool32 MgbaOpen(void);
void MgbaClose(void);
void MgbaPrintf(const char *pBuf, ...);
void MgbaPrintf(s32 level, const char *pBuf, ...);
void MgbaAssert(const char *pFile, s32 nLine, const char *pExpression, bool32 nStopProgram);
void NoCashGBAPrintf(const char *pBuf, ...);
void NoCashGBAAssert(const char *pFile, s32 nLine, const char *pExpression, bool32 nStopProgram);
@ -23,7 +29,7 @@ void AGBPrintInit(void);
#if (LOG_HANDLER == LOG_HANDLER_MGBA_PRINT)
#define DebugPrintf(pBuf, ...) MgbaPrintf(pBuf, __VA_ARGS__)
#define DebugPrintf(pBuf, ...) MgbaPrintf(MGBA_LOG_INFO, pBuf, __VA_ARGS__)
#define DebugAssert(pFile, nLine, pExpression, nStopProgram) MgbaAssert(pFile, nLine, pExpression, nStopProgram)
#elif (LOG_HANDLER == LOG_HANDLER_NOCASH_PRINT)

50
src/libisagbprn.c
View File

@ -211,14 +211,6 @@ void NoCashGBAAssert(const char *pFile, s32 nLine, const char *pExpression, bool
// mgba print functions
#if (LOG_HANDLER == LOG_HANDLER_MGBA_PRINT)
#define MGBA_PRINTF_BUFFER_SIZE (4096)
#define MGBA_LOG_FATAL (0)
#define MGBA_LOG_ERROR (1)
#define MGBA_LOG_WARN (2)
#define MGBA_LOG_INFO (3)
#define MGBA_LOG_DEBUG (4)
#define MGBA_REG_DEBUG_MAX (256)
bool32 MgbaOpen(void)
@ -232,7 +224,7 @@ void MgbaClose(void)
*REG_DEBUG_ENABLE = 0;
}
static void MgbaPrintfBounded(s32 level, const char* ptr, ...)
void MgbaPrintf(s32 level, const char* ptr, ...)
{
va_list args;
@ -249,52 +241,16 @@ static void MgbaPrintfBounded(s32 level, const char* ptr, ...)
*REG_DEBUG_FLAGS = level | 0x100;
}
void MgbaPrintf(const char* ptr, ...)
{
va_list args;
u32 offset = 0;
u32 n = 0;
u32 i;
char *buffer = Alloc(MGBA_PRINTF_BUFFER_SIZE);
AGB_ASSERT(buffer != NULL);
va_start(args, ptr);
#if (PRETTY_PRINT_HANDLER == PRETTY_PRINT_MINI_PRINTF)
n = mini_vsnprintf(buffer, MGBA_PRINTF_BUFFER_SIZE, ptr, args);
#elif (PRETTY_PRINT_HANDLER == PRETTY_PRINT_LIBC)
n = vsnprintf(buffer, MGBA_PRINTF_BUFFER_SIZE, ptr, args);
#else
#error "unspecified pretty printing handler."
#endif
va_end(args);
AGB_ASSERT(n < MGBA_PRINTF_BUFFER_SIZE);
do
{
for (i = 0; i < MGBA_REG_DEBUG_MAX; ++i)
{
REG_DEBUG_STRING[i] = buffer[offset + i];
if (buffer[offset + i] == 0)
break;
}
offset += i;
*REG_DEBUG_FLAGS = MGBA_LOG_INFO | 0x100;
} while ((i == MGBA_REG_DEBUG_MAX) && (buffer[offset] != '\0'));
Free(buffer);
}
void MgbaAssert(const char *pFile, s32 nLine, const char *pExpression, bool32 nStopProgram)
{
if (nStopProgram)
{
MgbaPrintfBounded(MGBA_LOG_ERROR, "ASSERTION FAILED FILE=[%s] LINE=[%d] EXP=[%s]", pFile, nLine, pExpression);
MgbaPrintf(MGBA_LOG_ERROR, "ASSERTION FAILED FILE=[%s] LINE=[%d] EXP=[%s]", pFile, nLine, pExpression);
asm(".hword 0xEFFF");
}
else
{
MgbaPrintfBounded(MGBA_LOG_WARN, "WARING FILE=[%s] LINE=[%d] EXP=[%s]", pFile, nLine, pExpression);
MgbaPrintf(MGBA_LOG_WARN, "WARING FILE=[%s] LINE=[%d] EXP=[%s]", pFile, nLine, pExpression);
}
}
#endif