Macintosh-Tools/Retro68
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Calling RecoverHandle on the wrong address is bad, so don't, for now. (see #33)

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This commit is contained in:
Wolfgang Thaller 2018-04-17 19:03:07 +02:00
parent 401278a18e
commit 310ad344c2
3 changed files with 13 additions and 3 deletions
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2
Samples/SystemExtension/SystemExtension.r
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@ -4,6 +4,6 @@ type 'INIT' {
RETRO68_CODE_TYPE
};
resource 'INIT' (128) {
resource 'INIT' (128, locked) {
dontBreakAtEntry, $$read("SystemExtension.flt");
};

2
Samples/WDEF/wdef.r
View File

@ -1,3 +1,3 @@
data 'WDEF' (129) {
data 'WDEF' (129, locked) {
$$read("WDEF")
};

12
libretro/relocate.c
View File

@ -232,6 +232,16 @@ void Retro68Relocate()
else
{
data_displacement = displacement;
#if 0
// find the beginning of the current code resource and lock it.
// this crashes with some implementations of the memory manager
// if we guess wrong, so let's don't for now.
// Therefore, all Retro68-compiled code resources have to be locked,
// or they might get relocated as soon as the global variables are
// relocated below.
// TODO: figure out a way to reliably determine the offset from the
// start of the resource (to pass it from Elf2Mac, probably).
{
uint8_t *orig_rsrc_start;
GET_VIRTUAL_ADDRESS(orig_rsrc_start, _rsrc_start);
@ -245,7 +255,7 @@ void Retro68Relocate()
rState->codeHandle = h;
}
}
#endif
// Allocate BSS section (uninitialized/zero-initialized global data)
if(!rState->bssPtr)
{