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Fix a handful of crash bugs I caused with the 32-bit ASM version of the classic renderer. DONT_BUILD.

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git-svn-id: https://svn.eduke32.com/eduke32@4719 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
terminx 2014-11-02 05:36:28 +00:00
parent 3c8034609f
commit 9c001e6e2e
6 changed files with 76 additions and 2483 deletions
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8
polymer/eduke32/build/src/a.masm
View file

@ -26,7 +26,7 @@ EXTRN _reciptable : near
EXTRN _fpuasm : dword
EXTRN _globalx3 : dword
EXTRN _globaly3 : dword
EXTRN _ylookup : near
EXTRN _ylookup : dword
EXTRN _vplce : near
EXTRN _vince : near
@ -834,7 +834,8 @@ CDECLPARAM edi,1,5
push ebp
mov eax, dword ptr _ylookup[ecx*4]
mov eax, _ylookup
mov eax, [eax+ecx*4]
add eax, edi
mov dword ptr [machvline4end+2], eax
sub edi, eax
@ -987,7 +988,8 @@ CDECLPARAM edi,1,5
push ebp
mov eax, dword ptr _ylookup[ecx*4]
mov eax, _ylookup
mov eax, [eax+ecx*4]
add eax, edi
mov dword ptr [promachvline4end1+2], eax
inc eax

6
polymer/eduke32/build/src/a.nasm
View file

@ -964,7 +964,8 @@ CDECLPARAM ecx,0,5
CDECLPARAM edi,1,5
push ebp
mov eax, dword [ylookup+ecx*4]
mov eax, dword ylookup
mov eax, [eax+ecx*4]
add eax, edi
mov dword [machvline4end+2], eax
sub edi, eax
@ -1114,7 +1115,8 @@ CDECLPARAM ecx,0,5
CDECLPARAM edi,1,5
push ebp
mov eax, dword [ylookup+ecx*4]
mov eax, dword ylookup
mov eax, [eax+ecx*4]
add eax, edi
mov dword [promachvline4end1+2], eax
inc eax

2425
polymer/eduke32/build/src/a.wasm
View file

File diff suppressed because it is too large Load diff

115
polymer/eduke32/build/src/baselayer.c
View file

@ -131,11 +131,65 @@ void readjoybstatus(int32_t *b)
*b = joyb;
}
#if defined _WIN32
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
#elif defined __linux || defined __FreeBSD__ || defined __NetBSD__ || defined __OpenBSD__ || defined __APPLE__
# include <sys/mman.h>
#endif
#if !defined(NOASM) && !defined(GEKKO) && !defined(__ANDROID__)
#ifdef __cplusplus
extern "C" {
#endif
extern intptr_t dep_begin, dep_end;
#ifdef __cplusplus
};
#endif
#endif
int32_t nx_unprotect(intptr_t beg, intptr_t end)
{
#if !defined(NOASM) && !defined(GEKKO) && !defined(__ANDROID__)
# if defined _WIN32
DWORD oldprot;
if (!VirtualProtect((LPVOID) beg, (SIZE_T)end - (SIZE_T)beg, PAGE_EXECUTE_READWRITE, &oldprot))
{
initprintf("VirtualProtect() error! Crashing in 3... 2... 1...\n");
return 1;
}
# elif defined __linux || defined __FreeBSD__ || defined __NetBSD__ || defined __OpenBSD__ || defined __APPLE__
int32_t pagesize;
size_t dep_begin_page;
pagesize = sysconf(_SC_PAGE_SIZE);
if (pagesize == -1)
{
initprintf("Error getting system page size\n");
return 1;
}
dep_begin_page = ((size_t)beg) & ~(pagesize-1);
if (mprotect((void *) dep_begin_page, (size_t)end - dep_begin_page, PROT_READ|PROT_WRITE) < 0)
{
initprintf("Error making code writeable (errno=%d)\n", errno);
return 1;
}
# else
# error "Don't know how to unprotect the self-modifying assembly on this platform!"
# endif
#endif
return 0;
}
// Calculate ylookup[] and call setvlinebpl()
void calc_ylookup(int32_t bpl, int32_t lastyidx)
{
int32_t i, j=0;
lastyidx++;
Bassert(lastyidx <= MAXYDIM);
if (lastyidx > ylookupsiz)
@ -144,6 +198,9 @@ void calc_ylookup(int32_t bpl, int32_t lastyidx)
Baligned_free(ylookup);
ylookup = (intptr_t *)Xaligned_alloc(16, lastyidx * sizeof(intptr_t));
#if !defined(NOASM) && !defined(GEKKO) && !defined(__ANDROID__)
nx_unprotect((intptr_t)ylookup, (intptr_t)ylookup + (lastyidx * sizeof(intptr_t)));
#endif
ylookupsiz = lastyidx;
}
@ -165,6 +222,14 @@ void calc_ylookup(int32_t bpl, int32_t lastyidx)
setvlinebpl(bpl);
}
void makeasmwriteable(void)
{
#if !defined(NOASM) && !defined(GEKKO) && !defined(__ANDROID__)
nx_unprotect((intptr_t)&dep_begin, (intptr_t)&dep_end);
#endif
}
#ifdef USE_OPENGL
void fullscreen_tint_gl(uint8_t r, uint8_t g, uint8_t b, uint8_t f)
{
@ -484,56 +549,6 @@ int32_t baselayer_init(void)
return 0;
}
#if defined _WIN32
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
#elif defined __linux || defined __FreeBSD__ || defined __NetBSD__ || defined __OpenBSD__ || defined __APPLE__
# include <sys/mman.h>
#endif
#if !defined(NOASM) && !defined(GEKKO) && !defined(__ANDROID__)
#ifdef __cplusplus
extern "C" {
#endif
extern int32_t dep_begin, dep_end;
#ifdef __cplusplus
};
#endif
#endif
void makeasmwriteable(void)
{
#if !defined(NOASM) && !defined(GEKKO) && !defined(__ANDROID__)
// extern int32_t dep_begin, dep_end;
# if defined _WIN32
DWORD oldprot;
if (!VirtualProtect((LPVOID)&dep_begin, (SIZE_T)&dep_end - (SIZE_T)&dep_begin, PAGE_EXECUTE_READWRITE, &oldprot))
{
initprintf("Error making code writeable\n");
return;
}
# elif defined __linux || defined __FreeBSD__ || defined __NetBSD__ || defined __OpenBSD__ || defined __APPLE__
int32_t pagesize;
size_t dep_begin_page;
pagesize = sysconf(_SC_PAGE_SIZE);
if (pagesize == -1)
{
initprintf("Error getting system page size\n");
return;
}
dep_begin_page = ((size_t)&dep_begin) & ~(pagesize-1);
if (mprotect((void *)dep_begin_page, (size_t)&dep_end - dep_begin_page, PROT_READ|PROT_WRITE) < 0)
{
initprintf("Error making code writeable (errno=%d)\n", errno);
return;
}
# else
# error "Don't know how to unprotect the self-modifying assembly on this platform!"
# endif
#endif
}
void maybe_redirect_outputs(void)
{
#if !(defined __APPLE__ && defined __BIG_ENDIAN__)

2
polymer/eduke32/build/src/engine.c
View file

@ -11407,7 +11407,6 @@ static void initsmost(void)
{ (void **)&swall, xdim * sizeof(int32_t) },
{ (void **)&lwall, (xdim + 4) * sizeof(int32_t) },
{ (void **)&radarang2, xdim * sizeof(int16_t) },
{ (void **)&ylookup, (ydim + 1) * sizeof(intptr_t) },
{ (void **)&dotp1, ydim * sizeof(intptr_t) },
{ (void **)&dotp2, ydim * sizeof(intptr_t) },
{ (void **)&lastx, ydim * sizeof(int32_t) },
@ -11423,7 +11422,6 @@ static void initsmost(void)
ysavecnt = YSAVES;
nodesperline = tabledivide32_noinline(YSAVES, ydim);
ylookupsiz = ydim + 1;
}
//

3
polymer/eduke32/build/src/winlayer.c
View file

@ -788,7 +788,8 @@ int32_t initinput(void)
//
void uninitinput(void)
{
switchlayout(defaultlayoutname);
if (defaultlayoutname[0])
switchlayout(defaultlayoutname);
uninitmouse();
UninitDirectInput();