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author | neonloop | 2021-07-02 22:23:41 +0000 |
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committer | neonloop | 2021-07-02 22:23:41 +0000 |
commit | f5c6b3357ecbbc35cefa011dc4a8d9f1d23c87ee (patch) | |
tree | c97ba4ac1bae1f213a30aaca159450a00f77ce9e | |
parent | 56f91f2f4a3888d0613ef8f4f2b313c2c76431fd (diff) | |
download | pcsx_rearmed-trimui-s.tar.gz pcsx_rearmed-trimui-s.tar.bz2 pcsx_rearmed-trimui-s.zip |
Literals are deduplicated, so there's no guarantee they will be stored
next to each other, even if they're written sequentially. verify_dirty
and get_bounds must use the offsets on each instruction, instead of
assuming values are stored sequentially.
-rw-r--r-- | libpcsxcore/new_dynarec/arm/assem_arm.c | 38 |
1 files changed, 26 insertions, 12 deletions
diff --git a/libpcsxcore/new_dynarec/arm/assem_arm.c b/libpcsxcore/new_dynarec/arm/assem_arm.c index db1d2af..a373bd3 100644 --- a/libpcsxcore/new_dynarec/arm/assem_arm.c +++ b/libpcsxcore/new_dynarec/arm/assem_arm.c @@ -241,14 +241,21 @@ static u_int get_clean_addr(int addr) static int verify_dirty(u_int *ptr) { #ifndef HAVE_ARMV7 + u_int offset; // get from literal pool assert((*ptr&0xFFFF0000)==0xe59f0000); - u_int offset=*ptr&0xfff; - u_int *l_ptr=(void *)ptr+offset+8; - u_int source=l_ptr[0]; - u_int copy=l_ptr[1]; - u_int len=l_ptr[2]; - ptr+=4; + offset=*ptr&0xfff; + u_int source=*(u_int*)((void *)ptr+offset+8); + ptr++; + assert((*ptr&0xFFFF0000)==0xe59f0000); + offset=*ptr&0xfff; + u_int copy=*(u_int*)((void *)ptr+offset+8); + ptr++; + assert((*ptr&0xFFFF0000)==0xe59f0000); + offset=*ptr&0xfff; + u_int len=*(u_int*)((void *)ptr+offset+8); + ptr++; + ptr++; #else // ARMv7 movw/movt assert((*ptr&0xFFF00000)==0xe3000000); @@ -285,14 +292,21 @@ static void get_bounds(int addr,u_int *start,u_int *end) { u_int *ptr=(u_int *)addr; #ifndef HAVE_ARMV7 + u_int offset; // get from literal pool assert((*ptr&0xFFFF0000)==0xe59f0000); - u_int offset=*ptr&0xfff; - u_int *l_ptr=(void *)ptr+offset+8; - u_int source=l_ptr[0]; - //u_int copy=l_ptr[1]; - u_int len=l_ptr[2]; - ptr+=4; + offset=*ptr&0xfff; + u_int source=*(u_int*)((void *)ptr+offset+8); + ptr++; + //assert((*ptr&0xFFFF0000)==0xe59f0000); + //offset=*ptr&0xfff; + //u_int copy=*(u_int*)((void *)ptr+offset+8); + ptr++; + assert((*ptr&0xFFFF0000)==0xe59f0000); + offset=*ptr&0xfff; + u_int len=*(u_int*)((void *)ptr+offset+8); + ptr++; + ptr++; #else // ARMv7 movw/movt assert((*ptr&0xFFF00000)==0xe3000000); |