Fix an off-by-one error in the exception handlers
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@ -34,7 +34,7 @@ static u32 __attribute__((noinline)) copyMemory(void *dst, const void *src, u32
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u8 *out = (u8 *)dst;
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const u8 *in = (const u8 *)src;
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if(((u32)src & (alignment - 1)) != 0 || cannotAccessVA(src) || cannotAccessVA((u8 *)src + size))
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if(((u32)src & (alignment - 1)) != 0 || cannotAccessVA(src) || (size != 0 && cannotAccessVA((u8 *)src + size - 1)))
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return 0;
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for(u32 i = 0; i < size; i++)
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@ -76,9 +76,7 @@ void __attribute__((noreturn)) mainHandler(u32 regs[REG_DUMP_SIZE / 4], u32 type
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for(u32 i = 0; i < 6; i++) registerDump[17 + i] = regs[i];
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for(u32 i = 0; i < 7; i++) registerDump[8 + i] = regs[8 + i];
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for(u32 i = 0; i < 8; i++) registerDump[i] = regs[15 + i];
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dumpHeader.stackDumpSize = 0x1000 - (registerDump[13] & 0xFFF);
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//Dump code
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u8 *instr = (u8 *)pc + ((cpsr & 0x20) ? 2 : 4) - dumpHeader.codeDumpSize; //Doesn't work well on 32-bit Thumb instructions, but it isn't much of a problem
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dumpHeader.codeDumpSize = copyMemory(codeDump, instr, dumpHeader.codeDumpSize, ((cpsr & 0x20) != 0) ? 2 : 4);
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@ -56,7 +56,7 @@ static u32 __attribute__((noinline)) copyMemory(void *dst, const void *src, u32
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u8 *out = (u8 *)dst;
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const u8 *in = (const u8 *)src;
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if(((u32)src & (alignment - 1)) != 0 || cannotAccessAddress(src) || cannotAccessAddress((u8 *)src + size))
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if(((u32)src & (alignment - 1)) != 0 || cannotAccessAddress(src) || (size != 0 && cannotAccessAddress((u8 *)src + size - 1)))
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return 0;
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for(u32 i = 0; i < size; i++)
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@ -94,8 +94,6 @@ void __attribute__((noreturn)) mainHandler(u32 regs[REG_DUMP_SIZE / 4], u32 type
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registerDump[16] = cpsr;
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for(u32 i = 0; i < 7; i++) registerDump[8 + i] = regs[2 + i];
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for(u32 i = 0; i < 8; i++) registerDump[i] = regs[9 + i];
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dumpHeader.stackDumpSize = 0x1000 - (registerDump[13] & 0xFFF);
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//Dump code
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u8 *instr = (u8 *)pc + ((cpsr & 0x20) ? 2 : 4) - dumpHeader.codeDumpSize; //Doesn't work well on 32-bit Thumb instructions, but it isn't much of a problem
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