OSO/TinyCC
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

allow tcc be build from separate objects

Browse Source 
If you want that, run: make NOTALLINONE=1
This commit is contained in:
grischka
2009-12-20 01:53:49 +01:00
parent 7fa712e00c
commit 88a3ccab9f
16 changed files with 1322 additions and 1045 deletions
Download Patch File Download Diff File Expand all files Collapse all files

95
c67-gen.c
View File

@ -18,6 +18,8 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifdef TARGET_DEFS_ONLY
//#define ASSEMBLY_LISTING_C67
/* number of available registers */
@ -85,62 +87,18 @@ enum {
TREG_C67_B13,
};
const int reg_classes[NB_REGS] = {
/* eax */ RC_INT | RC_FLOAT | RC_EAX,
// only allow even regs for floats (allow for doubles)
/* ecx */ RC_INT | RC_ECX,
/* edx */ RC_INT | RC_INT_BSIDE | RC_FLOAT | RC_EDX,
// only allow even regs for floats (allow for doubles)
/* st0 */ RC_INT | RC_INT_BSIDE | RC_ST0,
/* A4 */ RC_C67_A4,
/* A5 */ RC_C67_A5,
/* B4 */ RC_C67_B4,
/* B5 */ RC_C67_B5,
/* A6 */ RC_C67_A6,
/* A7 */ RC_C67_A7,
/* B6 */ RC_C67_B6,
/* B7 */ RC_C67_B7,
/* A8 */ RC_C67_A8,
/* A9 */ RC_C67_A9,
/* B8 */ RC_C67_B8,
/* B9 */ RC_C67_B9,
/* A10 */ RC_C67_A10,
/* A11 */ RC_C67_A11,
/* B10 */ RC_C67_B10,
/* B11 */ RC_C67_B11,
/* A12 */ RC_C67_A10,
/* A13 */ RC_C67_A11,
/* B12 */ RC_C67_B10,
/* B13 */ RC_C67_B11
};
/* return registers for function */
#define REG_IRET TREG_C67_A4 /* single word int return register */
#define REG_LRET TREG_C67_A5 /* second word return register (for long long) */
#define REG_FRET TREG_C67_A4 /* float return register */
#define ALWAYS_ASSERT(x) \
do {\
if (!(x))\
error("internal compiler error file at %s:%d", __FILE__, __LINE__);\
} while (0)
// although tcc thinks it is passing parameters on the stack,
// the C67 really passes up to the first 10 params in special
// regs or regs pairs (for 64 bit params). So keep track of
// the stack offsets so we can translate to the appropriate
// reg (pair)
#define NoCallArgsPassedOnStack 10
int NoOfCurFuncArgs;
int TranslateStackToReg[NoCallArgsPassedOnStack];
int ParamLocOnStack[NoCallArgsPassedOnStack];
int TotalBytesPushedOnStack;
/* defined if function parameters must be evaluated in reverse order */
//#define INVERT_FUNC_PARAMS
/* defined if structures are passed as pointers. Otherwise structures
@ -171,7 +129,52 @@ int TotalBytesPushedOnStack;
#define ELF_PAGE_SIZE 0x1000
/******************************************************/
#else /* ! TARGET_DEFS_ONLY */
/******************************************************/
#include "tcc.h"
ST_DATA const int reg_classes[NB_REGS] = {
/* eax */ RC_INT | RC_FLOAT | RC_EAX,
// only allow even regs for floats (allow for doubles)
/* ecx */ RC_INT | RC_ECX,
/* edx */ RC_INT | RC_INT_BSIDE | RC_FLOAT | RC_EDX,
// only allow even regs for floats (allow for doubles)
/* st0 */ RC_INT | RC_INT_BSIDE | RC_ST0,
/* A4 */ RC_C67_A4,
/* A5 */ RC_C67_A5,
/* B4 */ RC_C67_B4,
/* B5 */ RC_C67_B5,
/* A6 */ RC_C67_A6,
/* A7 */ RC_C67_A7,
/* B6 */ RC_C67_B6,
/* B7 */ RC_C67_B7,
/* A8 */ RC_C67_A8,
/* A9 */ RC_C67_A9,
/* B8 */ RC_C67_B8,
/* B9 */ RC_C67_B9,
/* A10 */ RC_C67_A10,
/* A11 */ RC_C67_A11,
/* B10 */ RC_C67_B10,
/* B11 */ RC_C67_B11,
/* A12 */ RC_C67_A10,
/* A13 */ RC_C67_A11,
/* B12 */ RC_C67_B10,
/* B13 */ RC_C67_B11
};
// although tcc thinks it is passing parameters on the stack,
// the C67 really passes up to the first 10 params in special
// regs or regs pairs (for 64 bit params). So keep track of
// the stack offsets so we can translate to the appropriate
// reg (pair)
#define NoCallArgsPassedOnStack 10
int NoOfCurFuncArgs;
int TranslateStackToReg[NoCallArgsPassedOnStack];
int ParamLocOnStack[NoCallArgsPassedOnStack];
int TotalBytesPushedOnStack;
/******************************************************/
static unsigned long func_sub_sp_offset;
static int func_ret_sub;
@ -2545,5 +2548,7 @@ void ggoto(void)
vtop--;
}
/* end of X86 code generator */
/* end of C67 code generator */
/*************************************************************/
#endif
/*************************************************************/