* src/vm/jit/x86_64/asmpart.S (asm_abstractmethoderror): Keep stack aligned.
[cacao.git] / src / vm / jit / replace.cpp
index 12f1ba9e3ece34eb149190ac7aed3c6914791808..8b080b8753bc3680a072e088f41f9c5335d2634b 100644 (file)
 #include <vmlog_cacao.h>
 #endif
 
-/*** architecture-dependent configuration *************************************/
-
-/* first unset the macros (default) */
-#undef REPLACE_RA_LINKAGE_AREA
-
-/* powerpc */
-#if defined(__POWERPC__)
-# define REPLACE_RA_LINKAGE_AREA
-#endif
-
-
-/*** configuration of native stack slot size **********************************/
-
-/* XXX this should be in md-abi.h files, probably */
-
-#define SIZE_OF_STACKSLOT      8
-#define STACK_SLOTS_PER_FLOAT  1
-typedef u8 stackslot_t;
-
 
 /*** debugging ****************************************************************/
 
@@ -1471,132 +1452,6 @@ static void replace_write_executionstate(rplpoint *rp,
 }
 
 
-/* md_pop_stackframe ***********************************************************
-
-   Restore callee-saved registers (including the RA register),
-   set the stack pointer to the next stackframe,
-   set the PC to the return address of the popped frame.
-
-   *** This function imitates the effects of the method epilog ***
-   *** and returning from the method call.                     ***
-
-   IN:
-       es...............execution state
-
-   OUT:
-       *es..............the execution state after popping the stack frame
-                        NOTE: es->code and es->pv are NOT updated.
-
-*******************************************************************************/
-
-void md_pop_stackframe(executionstate_t *es)
-{
-       u1 *ra;
-       s4 framesize;
-       s4 reg;
-       s4 i;
-       stackslot_t *basesp;
-       stackslot_t *sp;
-
-       assert(es->code);
-
-       /* calculate the size of the stackframe */
-
-       framesize = md_stacktrace_get_framesize(es->code);
-
-       /* read the return address */
-
-#if STACKFRAME_LEAFMETHODS_RA_REGISTER
-       if (code_is_leafmethod(es->code))
-               ra = es->ra;
-       else
-#endif
-               ra = (u1*) md_stacktrace_get_returnaddress(es->sp, framesize);
-
-       /* calculate the base of the stack frame */
-
-       sp = (stackslot_t *) es->sp;
-       basesp = sp + es->code->stackframesize;
-
-       /* restore return address, if part of frame */
-
-#if STACKFRAME_RA_TOP_OF_FRAME
-# if STACKFRAME_LEAFMETHODS_RA_REGISTER
-       if (!code_is_leafmethod(es->code))
-# endif
-               es->ra = (u1*) (ptrint) *--basesp;
-#endif /* STACKFRAME_RA_TOP_OF_FRAME */
-
-#if defined(REPLACE_RA_LINKAGE_AREA)
-# if STACKFRAME_LEAFMETHODS_RA_REGISTER
-       if (!code_is_leafmethod(es->code))
-# endif
-               es->ra = *((uint8_t**) ((intptr_t) basesp + LA_LR_OFFSET));
-#endif /* REPLACE_RA_LINKAGE_AREA */
-
-       /* restore saved int registers */
-
-       reg = INT_REG_CNT;
-       for (i=0; i<es->code->savedintcount; ++i) {
-               while (nregdescint[--reg] != REG_SAV)
-                       ;
-               basesp -= 1;
-               es->intregs[reg] = *((uintptr_t*) basesp);
-       }
-
-       /* restore saved flt registers */
-
-       /* XXX align? */
-       reg = FLT_REG_CNT;
-       for (i=0; i<es->code->savedfltcount; ++i) {
-               while (nregdescfloat[--reg] != REG_SAV)
-                       ;
-               basesp -= STACK_SLOTS_PER_FLOAT;
-               es->fltregs[reg] = *((double*) basesp);
-       }
-
-#if defined(HAS_ADDRESS_REGISTER_FILE)
-       /* restore saved adr registers */
-
-       reg = ADR_REG_CNT;
-       for (i=0; i<es->code->savedadrcount; ++i) {
-               while (nregdescadr[--reg] != REG_SAV)
-                       ;
-               basesp -= 1;
-               es->adrregs[reg] = *((uintptr_t*) basesp);
-       }
-#endif
-
-       /* adjust the stackpointer */
-
-       es->sp += framesize;
-#if STACKFRMAE_RA_BETWEEN_FRAMES
-       es->sp += SIZEOF_VOID_P; /* skip return address */
-#endif
-
-       /* set the program counter to the return address */
-
-       es->pc = ra;
-
-       /* in debugging mode clobber non-saved registers */
-
-#if !defined(NDEBUG)
-       /* for debugging */
-       for (i=0; i<INT_REG_CNT; ++i)
-               if (nregdescint[i] != REG_SAV)
-                       es->intregs[i] = (ptrint) 0x33dead3333dead33ULL;
-       for (i=0; i<FLT_REG_CNT; ++i)
-               if (nregdescfloat[i] != REG_SAV)
-                       *(u8*)&(es->fltregs[i]) = 0x33dead3333dead33ULL;
-# if defined(HAS_ADDRESS_REGISTER_FILE)
-       for (i=0; i<ADR_REG_CNT; ++i)
-               if (nregdescadr[i] != REG_SAV)
-                       es->adrregs[i] = (ptrint) 0x33dead3333dead33ULL;
-# endif
-#endif /* !defined(NDEBUG) */
-}
-
-
 /* md_push_stackframe **********************************************************
 
    Save the given return address, build the new stackframe,
@@ -1675,12 +1530,12 @@ void md_push_stackframe(executionstate_t *es, codeinfo *calleecode, u1 *ra)
                *--basesp = (ptrint) ra;
 #endif /* STACKFRAME_RA_TOP_OF_FRAME */
 
-#if defined(REPLACE_RA_LINKAGE_AREA)
+#if STACKFRAME_RA_LINKAGE_AREA
 # if STACKFRAME_LEAFMETHODS_RA_REGISTER
        if (!code_is_leafmethod(calleecode))
 # endif
                *((uint8_t**) ((intptr_t) basesp + LA_LR_OFFSET)) = ra;
-#endif /* REPLACE_RA_LINKAGE_AREA */
+#endif /* STACKFRAME_RA_LINKAGE_AREA */
 
        /* save int registers */
 
@@ -1777,7 +1632,7 @@ u1* replace_pop_activation_record(executionstate_t *es,
 
        /* pop the stackframe */
 
-       md_pop_stackframe(es);
+       executionstate_pop_stackframe(es);
 
        ra = es->pc;