Hello_User/XenonRecomp
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compare: Hello_User:c017eb630ab917bffd3bc6a0a46995b49e7d8049
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Hello_User:main Hello_User:BBB_MoreInstructions

2 Commits
c3934c624f ... c017eb630a

Author SHA1 Message Date
Skyth (Asilkan)
c017eb630a PPC context header adjustments. (#123) 2025-03-21 17:40:55 +03:00
Skyth (Asilkan)
82b4cd3bb7 Fix return value from longjmp getting forgotten after setjmp. (#122) 
Restoring env to ctx was causing this because the return value was getting assigned to r3 before the if check.
 2025-03-21 17:38:08 +03:00
2 changed files with 26 additions and 31 deletions
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5
XenonRecomp/recompiler.cpp
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@@ -378,8 +378,9 @@ bool Recompiler::Recompile(
else if (address == config.setJmpAddress) else if (address == config.setJmpAddress)
{ {
println("\t{} = ctx;", env()); println("\t{} = ctx;", env());
println("\t{}.s64 = setjmp(*reinterpret_cast<jmp_buf*>(base + {}.u32));", r(3), r(3)); println("\t{}.s64 = setjmp(*reinterpret_cast<jmp_buf*>(base + {}.u32));", temp(), r(3));
println("\tif ({}.s64 != 0) ctx = {};", r(3), env()); println("\tif ({}.s64 != 0) ctx = {};", temp(), env());
println("\t{} = {};", r(3), temp());
} }
else else
{ {

12
XenonUtils/ppc_context.h
View File

@@ -123,9 +123,7 @@ struct PPCFuncMapping
extern PPCFuncMapping PPCFuncMappings[]; extern PPCFuncMapping PPCFuncMappings[];
struct PPCRegister union PPCRegister
{
union
{ {
int8_t s8; int8_t s8;
uint8_t u8; uint8_t u8;
@@ -138,7 +136,6 @@ struct PPCRegister
float f32; float f32;
double f64; double f64;
}; };
};
struct PPCXERRegister struct PPCXERRegister
{ {
@@ -194,9 +191,7 @@ struct PPCCRRegister
} }
}; };
struct alignas(0x10) PPCVRegister union alignas(0x10) PPCVRegister
{
union
{ {
int8_t s8[16]; int8_t s8[16];
uint8_t u8[16]; uint8_t u8[16];
@@ -209,7 +204,6 @@ struct alignas(0x10) PPCVRegister
float f32[4]; float f32[4];
double f64[2]; double f64[2];
}; };
};
#define PPC_ROUND_NEAREST 0x00 #define PPC_ROUND_NEAREST 0x00
#define PPC_ROUND_TOWARD_ZERO 0x01 #define PPC_ROUND_TOWARD_ZERO 0x01
@@ -270,7 +264,7 @@ struct PPCFPSCRRegister
} }
}; };
struct PPCContext struct alignas(0x40) PPCContext
{ {
PPCRegister r3; PPCRegister r3;
#ifndef PPC_CONFIG_NON_ARGUMENT_AS_LOCAL #ifndef PPC_CONFIG_NON_ARGUMENT_AS_LOCAL