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store temporary files in /tmp to save space in ~

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This commit is contained in:
Ludwig Nussel 2005-11-13 18:33:28 +00:00
parent a3b0771041
commit 79ceef93cc
1 changed files with 33 additions and 31 deletions
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64
code/qcommon/vm_x86_64.c
View file

@ -201,8 +201,8 @@ static unsigned char op_argsize[256] =
}; };
#define emit(x...) \ #define emit(x...) \
do { FS_Printf(fh_s, ##x); FS_Write("\n", 1, fh_s); } while(0) do { fprintf(fh_s, ##x); fputc('\n', fh_s); } while(0)
// integer compare and jump // integer compare and jump
#define IJ(op) \ #define IJ(op) \
emit("subq $8, %%rsi"); \ emit("subq $8, %%rsi"); \
@ -306,26 +306,15 @@ out:
return mem; return mem;
} }
static int doas(const char* in, const char* out, unsigned char** compiledcode) static int doas(char* in, char* out, unsigned char** compiledcode)
{ {
char rin[4096];
char rout[4096];
char* buf; char* buf;
char* mem; char* mem;
cvar_t* homedir;
size_t size = -1, allocsize; size_t size = -1, allocsize;
int ps; int ps;
pid_t pid; pid_t pid;
homedir = Cvar_Get("fs_homepath", "", 0); Com_Printf("running assembler < %s > %s\n", in, out);
buf = FS_BuildOSPath(homedir->string, NULL, in);
strcpy(rin, buf);
buf = FS_BuildOSPath(homedir->string, NULL, out);
strcpy(rout, buf);
Com_Printf("running assembler < %s > %s\n", rin, rout);
pid = fork(); pid = fork();
if(pid == -1) if(pid == -1)
{ {
@ -338,8 +327,8 @@ static int doas(const char* in, const char* out, unsigned char** compiledcode)
char* const argv[] = { char* const argv[] = {
"as", "as",
"-o", "-o",
rout, out,
rin, in,
NULL NULL
}; };
@ -369,10 +358,10 @@ static int doas(const char* in, const char* out, unsigned char** compiledcode)
Com_Printf("done\n"); Com_Printf("done\n");
mem = mmapfile(rout, &size); mem = mmapfile(out, &size);
if(!mem) if(!mem)
{ {
Com_Printf(S_COLOR_RED "can't mmap object file %s: %s\n", rout, strerror(errno)); Com_Printf(S_COLOR_RED "can't mmap object file %s: %s\n", out, strerror(errno));
return -1; return -1;
} }
@ -442,16 +431,29 @@ void VM_Compile( vm_t *vm, vmHeader_t *header ) {
#ifdef DEBUG_VM #ifdef DEBUG_VM
char fn_d[MAX_QPATH]; // disassembled char fn_d[MAX_QPATH]; // disassembled
#endif #endif
fileHandle_t fh_s; FILE* fh_s;
int fd_s, fd_o;
byte* compiledcode; byte* compiledcode;
int compiledsize; int compiledsize;
Com_Printf("compiling %s\n", vm->name); Com_Printf("compiling %s\n", vm->name);
strcpy(fn_s,vm->name); snprintf(fn_s, sizeof(fn_s), "/tmp/%.63s.s_XXXXXX", vm->name);
strcpy(fn_o,vm->name); snprintf(fn_o, sizeof(fn_o), "/tmp/%.63s.o_XXXXXX", vm->name);
strcat(fn_s, ".s"); fd_s = mkstemp(fn_s);
strcat(fn_o, ".o"); fd_o = mkstemp(fn_o);
if(fd_s == -1 || fd_o == -1)
{
if(fd_s != -1) close(fd_s);
if(fd_o != -1) close(fd_o);
unlink(fn_s);
unlink(fn_o);
Com_Printf(S_COLOR_RED "can't create temporary files for vm\n", fn_s);
vm->compiled = qfalse;
return;
}
#ifdef DEBUG_VM #ifdef DEBUG_VM
strcpy(fn_d,vm->name); strcpy(fn_d,vm->name);
strcat(fn_d, ".qdasm"); strcat(fn_d, ".qdasm");
@ -459,8 +461,8 @@ void VM_Compile( vm_t *vm, vmHeader_t *header ) {
qdasmout = fopen(fn_d, "w"); qdasmout = fopen(fn_d, "w");
#endif #endif
fh_s = FS_FOpenFileWrite(fn_s); fh_s = fdopen(fd_s, "wb");
if(fh_s == -1) if(!fh_s)
{ {
Com_Printf(S_COLOR_RED "can't write %s\n", fn_s); Com_Printf(S_COLOR_RED "can't write %s\n", fn_s);
vm->compiled = qfalse; vm->compiled = qfalse;
@ -884,14 +886,14 @@ void VM_Compile( vm_t *vm, vmHeader_t *header ) {
} }
} }
FS_Flush(fh_s); fflush(fh_s);
FS_FCloseFile(fh_s); fclose(fh_s);
compiledsize = doas(fn_s, fn_o, &compiledcode); compiledsize = doas(fn_s, fn_o, &compiledcode);
if(compiledsize == -1) if(compiledsize == -1)
{ {
vm->compiled = qfalse; vm->compiled = qfalse;
return; goto out;
} }
vm->codeBase = compiledcode; // remember to skip ELF header! vm->codeBase = compiledcode; // remember to skip ELF header!
@ -920,13 +922,13 @@ void VM_Compile( vm_t *vm, vmHeader_t *header ) {
Com_Printf( "VM file %s compiled to %i bytes of code (0x%lx - 0x%lx)\n", vm->name, vm->codeLength, vm->codeBase, vm->codeBase+vm->codeLength ); Com_Printf( "VM file %s compiled to %i bytes of code (0x%lx - 0x%lx)\n", vm->name, vm->codeLength, vm->codeBase, vm->codeBase+vm->codeLength );
#if 0 out:
close(fd_o);
if(!com_developer->integer) if(!com_developer->integer)
{ {
unlink(fn_o); unlink(fn_o);
unlink(fn_s); unlink(fn_s);
} }
#endif
} }
/* /*