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gdb: revert swapping of words 

Partial revert of b0a520fe18
Short and ints shouldn't be swapped.
gdb can handle both little and big endian SH4 (set endian big/little).
This commit is contained in:
Flyinghead 2023-10-12 09:49:55 +02:00
parent 4419ff310a
commit 8ae288d2ca
1 changed files with 11 additions and 14 deletions
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25
core/debug/debug_agent.h
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@ -34,9 +34,6 @@
#define SIGBUS 7
#endif
#define SWAP_32(a) ((((a) & 0xff) << 24) | (((a) & 0xff00) << 8) | (((a) >> 8) & 0xff00) | (((a) >> 24) & 0xff))
#define SWAP_16(a) ((((a) & 0x00ff) << 8) | (((a) & 0xff00) >> 8))
const std::array<Sh4RegType, 59> Sh4RegList {
reg_r0,
reg_r1,
@ -125,9 +122,9 @@ public:
for (u32 i = 0; i < Sh4RegList.size(); i++)
{
if (Sh4RegList[i] == reg_sr_status)
allregs[i] = SWAP_32(sh4_sr_GetFull());
allregs[i] = sh4_sr_GetFull();
else if (Sh4RegList[i] != NoReg)
allregs[i] = SWAP_32(*GetRegPtr(Sh4RegList[i]));
allregs[i] = *GetRegPtr(Sh4RegList[i]);
}
*regs = &allregs[0];
return allregs.size();
@ -137,7 +134,7 @@ public:
{
for (u32 i = 0; i < Sh4RegList.size(); i++)
if (Sh4RegList[i] != NoReg)
*GetRegPtr(Sh4RegList[i]) = SWAP_32(regs[i]);
*GetRegPtr(Sh4RegList[i]) = regs[i];
}
u32 readReg(u32 regNum)
@ -146,9 +143,9 @@ public:
return 0;
Sh4RegType reg = Sh4RegList[regNum];
if (reg == reg_sr_status)
return SWAP_32(sh4_sr_GetFull());
return sh4_sr_GetFull();
if (reg != NoReg)
return SWAP_32(*GetRegPtr(reg));
return *GetRegPtr(reg);
return 0;
}
void writeReg(u32 regNum, u32 value)
@ -157,9 +154,9 @@ public:
return;
Sh4RegType reg = Sh4RegList[regNum];
if (reg == reg_sr_status)
sh4_sr_SetFull(SWAP_32(value));
sh4_sr_SetFull(value);
else if (reg != NoReg)
*GetRegPtr(reg) = SWAP_32(value);
*GetRegPtr(reg) = value;
}
const u8 *readMem(u32 addr, u32 len)
@ -171,14 +168,14 @@ public:
{
if (len >= 4 && (addr & 3) == 0)
{
*(u32 *)p = SWAP_32(ReadMem32_nommu(addr));
*(u32 *)p = ReadMem32_nommu(addr);
addr += 4;
len -= 4;
p += 4;
}
else if (len >= 2 && (addr & 1) == 0)
{
*(u16 *)p = SWAP_16(ReadMem16_nommu(addr));
*(u16 *)p = ReadMem16_nommu(addr);
addr += 2;
len -= 2;
p += 2;
@ -200,14 +197,14 @@ public:
{
if (len >= 4 && (addr & 3) == 0)
{
WriteMem32_nommu(addr, SWAP_32(*(u32 *)p));
WriteMem32_nommu(addr, *(u32 *)p);
addr += 4;
len -= 4;
p += 4;
}
else if (len >= 2 && (addr & 3) == 0)
{
WriteMem16_nommu(addr, SWAP_16(*(u16 *)p));
WriteMem16_nommu(addr, *(u16 *)p);
addr += 2;
len -= 2;
p += 2;