diff options
Diffstat (limited to 'libffi-3.0.4/src/sparc')
| -rw-r--r-- | libffi-3.0.4/src/sparc/ffi.c | 610 | ||||
| -rw-r--r-- | libffi-3.0.4/src/sparc/ffitarget.h | 66 | ||||
| -rw-r--r-- | libffi-3.0.4/src/sparc/v8.S | 268 | ||||
| -rw-r--r-- | libffi-3.0.4/src/sparc/v9.S | 303 |
4 files changed, 1247 insertions, 0 deletions
diff --git a/libffi-3.0.4/src/sparc/ffi.c b/libffi-3.0.4/src/sparc/ffi.c new file mode 100644 index 0000000..aa81ce9 --- /dev/null +++ b/libffi-3.0.4/src/sparc/ffi.c @@ -0,0 +1,610 @@ +/* ----------------------------------------------------------------------- + ffi.c - Copyright (c) 1996, 2003, 2004, 2007 Red Hat, Inc. + + SPARC Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#include <ffi.h> +#include <ffi_common.h> + +#include <stdlib.h> + + +/* ffi_prep_args is called by the assembly routine once stack space + has been allocated for the function's arguments */ + +void ffi_prep_args_v8(char *stack, extended_cif *ecif) +{ + int i; + void **p_argv; + char *argp; + ffi_type **p_arg; + + /* Skip 16 words for the window save area */ + argp = stack + 16*sizeof(int); + + /* This should only really be done when we are returning a structure, + however, it's faster just to do it all the time... + + if ( ecif->cif->rtype->type == FFI_TYPE_STRUCT ) */ + *(int *) argp = (long)ecif->rvalue; + + /* And 1 word for the structure return value. */ + argp += sizeof(int); + +#ifdef USING_PURIFY + /* Purify will probably complain in our assembly routine, unless we + zero out this memory. */ + + ((int*)argp)[0] = 0; + ((int*)argp)[1] = 0; + ((int*)argp)[2] = 0; + ((int*)argp)[3] = 0; + ((int*)argp)[4] = 0; + ((int*)argp)[5] = 0; +#endif + + p_argv = ecif->avalue; + + for (i = ecif->cif->nargs, p_arg = ecif->cif->arg_types; i; i--, p_arg++) + { + size_t z; + + if ((*p_arg)->type == FFI_TYPE_STRUCT +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + || (*p_arg)->type == FFI_TYPE_LONGDOUBLE +#endif + ) + { + *(unsigned int *) argp = (unsigned long)(* p_argv); + z = sizeof(int); + } + else + { + z = (*p_arg)->size; + if (z < sizeof(int)) + { + z = sizeof(int); + switch ((*p_arg)->type) + { + case FFI_TYPE_SINT8: + *(signed int *) argp = *(SINT8 *)(* p_argv); + break; + + case FFI_TYPE_UINT8: + *(unsigned int *) argp = *(UINT8 *)(* p_argv); + break; + + case FFI_TYPE_SINT16: + *(signed int *) argp = *(SINT16 *)(* p_argv); + break; + + case FFI_TYPE_UINT16: + *(unsigned int *) argp = *(UINT16 *)(* p_argv); + break; + + default: + FFI_ASSERT(0); + } + } + else + { + memcpy(argp, *p_argv, z); + } + } + p_argv++; + argp += z; + } + + return; +} + +int ffi_prep_args_v9(char *stack, extended_cif *ecif) +{ + int i, ret = 0; + int tmp; + void **p_argv; + char *argp; + ffi_type **p_arg; + + tmp = 0; + + /* Skip 16 words for the window save area */ + argp = stack + 16*sizeof(long long); + +#ifdef USING_PURIFY + /* Purify will probably complain in our assembly routine, unless we + zero out this memory. */ + + ((long long*)argp)[0] = 0; + ((long long*)argp)[1] = 0; + ((long long*)argp)[2] = 0; + ((long long*)argp)[3] = 0; + ((long long*)argp)[4] = 0; + ((long long*)argp)[5] = 0; +#endif + + p_argv = ecif->avalue; + + if (ecif->cif->rtype->type == FFI_TYPE_STRUCT && + ecif->cif->rtype->size > 32) + { + *(unsigned long long *) argp = (unsigned long)ecif->rvalue; + argp += sizeof(long long); + tmp = 1; + } + + for (i = 0, p_arg = ecif->cif->arg_types; i < ecif->cif->nargs; + i++, p_arg++) + { + size_t z; + + z = (*p_arg)->size; + switch ((*p_arg)->type) + { + case FFI_TYPE_STRUCT: + if (z > 16) + { + /* For structures larger than 16 bytes we pass reference. */ + *(unsigned long long *) argp = (unsigned long)* p_argv; + argp += sizeof(long long); + tmp++; + p_argv++; + continue; + } + /* FALLTHROUGH */ + case FFI_TYPE_FLOAT: + case FFI_TYPE_DOUBLE: +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + case FFI_TYPE_LONGDOUBLE: +#endif + ret = 1; /* We should promote into FP regs as well as integer. */ + break; + } + if (z < sizeof(long long)) + { + switch ((*p_arg)->type) + { + case FFI_TYPE_SINT8: + *(signed long long *) argp = *(SINT8 *)(* p_argv); + break; + + case FFI_TYPE_UINT8: + *(unsigned long long *) argp = *(UINT8 *)(* p_argv); + break; + + case FFI_TYPE_SINT16: + *(signed long long *) argp = *(SINT16 *)(* p_argv); + break; + + case FFI_TYPE_UINT16: + *(unsigned long long *) argp = *(UINT16 *)(* p_argv); + break; + + case FFI_TYPE_SINT32: + *(signed long long *) argp = *(SINT32 *)(* p_argv); + break; + + case FFI_TYPE_UINT32: + *(unsigned long long *) argp = *(UINT32 *)(* p_argv); + break; + + case FFI_TYPE_FLOAT: + *(float *) (argp + 4) = *(FLOAT32 *)(* p_argv); /* Right justify */ + break; + + case FFI_TYPE_STRUCT: + memcpy(argp, *p_argv, z); + break; + + default: + FFI_ASSERT(0); + } + z = sizeof(long long); + tmp++; + } + else if (z == sizeof(long long)) + { + memcpy(argp, *p_argv, z); + z = sizeof(long long); + tmp++; + } + else + { + if ((tmp & 1) && (*p_arg)->alignment > 8) + { + tmp++; + argp += sizeof(long long); + } + memcpy(argp, *p_argv, z); + z = 2 * sizeof(long long); + tmp += 2; + } + p_argv++; + argp += z; + } + + return ret; +} + +/* Perform machine dependent cif processing */ +ffi_status ffi_prep_cif_machdep(ffi_cif *cif) +{ + int wordsize; + + if (cif->abi != FFI_V9) + { + wordsize = 4; + + /* If we are returning a struct, this will already have been added. + Otherwise we need to add it because it's always got to be there! */ + + if (cif->rtype->type != FFI_TYPE_STRUCT) + cif->bytes += wordsize; + + /* sparc call frames require that space is allocated for 6 args, + even if they aren't used. Make that space if necessary. */ + + if (cif->bytes < 4*6+4) + cif->bytes = 4*6+4; + } + else + { + wordsize = 8; + + /* sparc call frames require that space is allocated for 6 args, + even if they aren't used. Make that space if necessary. */ + + if (cif->bytes < 8*6) + cif->bytes = 8*6; + } + + /* Adjust cif->bytes. to include 16 words for the window save area, + and maybe the struct/union return pointer area, */ + + cif->bytes += 16 * wordsize; + + /* The stack must be 2 word aligned, so round bytes up + appropriately. */ + + cif->bytes = ALIGN(cif->bytes, 2 * wordsize); + + /* Set the return type flag */ + switch (cif->rtype->type) + { + case FFI_TYPE_VOID: + case FFI_TYPE_FLOAT: + case FFI_TYPE_DOUBLE: +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + case FFI_TYPE_LONGDOUBLE: +#endif + cif->flags = cif->rtype->type; + break; + + case FFI_TYPE_STRUCT: + if (cif->abi == FFI_V9 && cif->rtype->size > 32) + cif->flags = FFI_TYPE_VOID; + else + cif->flags = FFI_TYPE_STRUCT; + break; + + case FFI_TYPE_SINT64: + case FFI_TYPE_UINT64: + if (cif->abi != FFI_V9) + { + cif->flags = FFI_TYPE_SINT64; + break; + } + /* FALLTHROUGH */ + default: + cif->flags = FFI_TYPE_INT; + break; + } + return FFI_OK; +} + +int ffi_v9_layout_struct(ffi_type *arg, int off, char *ret, char *intg, char *flt) +{ + ffi_type **ptr = &arg->elements[0]; + + while (*ptr != NULL) + { + if (off & ((*ptr)->alignment - 1)) + off = ALIGN(off, (*ptr)->alignment); + + switch ((*ptr)->type) + { + case FFI_TYPE_STRUCT: + off = ffi_v9_layout_struct(*ptr, off, ret, intg, flt); + off = ALIGN(off, FFI_SIZEOF_ARG); + break; + case FFI_TYPE_FLOAT: + case FFI_TYPE_DOUBLE: +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + case FFI_TYPE_LONGDOUBLE: +#endif + memmove(ret + off, flt + off, (*ptr)->size); + off += (*ptr)->size; + break; + default: + memmove(ret + off, intg + off, (*ptr)->size); + off += (*ptr)->size; + break; + } + ptr++; + } + return off; +} + + +#ifdef SPARC64 +extern int ffi_call_v9(void *, extended_cif *, unsigned, + unsigned, unsigned *, void (*fn)()); +#else +extern int ffi_call_v8(void *, extended_cif *, unsigned, + unsigned, unsigned *, void (*fn)()); +#endif + +void ffi_call(ffi_cif *cif, void (*fn)(), void *rvalue, void **avalue) +{ + extended_cif ecif; + void *rval = rvalue; + + ecif.cif = cif; + ecif.avalue = avalue; + + /* If the return value is a struct and we don't have a return */ + /* value address then we need to make one */ + + ecif.rvalue = rvalue; + if (cif->rtype->type == FFI_TYPE_STRUCT) + { + if (cif->rtype->size <= 32) + rval = alloca(64); + else + { + rval = NULL; + if (rvalue == NULL) + ecif.rvalue = alloca(cif->rtype->size); + } + } + + switch (cif->abi) + { + case FFI_V8: +#ifdef SPARC64 + /* We don't yet support calling 32bit code from 64bit */ + FFI_ASSERT(0); +#else + ffi_call_v8(ffi_prep_args_v8, &ecif, cif->bytes, + cif->flags, rvalue, fn); +#endif + break; + case FFI_V9: +#ifdef SPARC64 + ffi_call_v9(ffi_prep_args_v9, &ecif, cif->bytes, + cif->flags, rval, fn); + if (rvalue && rval && cif->rtype->type == FFI_TYPE_STRUCT) + ffi_v9_layout_struct(cif->rtype, 0, (char *)rvalue, (char *)rval, ((char *)rval)+32); +#else + /* And vice versa */ + FFI_ASSERT(0); +#endif + break; + default: + FFI_ASSERT(0); + break; + } + +} + + +#ifdef SPARC64 +extern void ffi_closure_v9(void); +#else +extern void ffi_closure_v8(void); +#endif + +ffi_status +ffi_prep_closure_loc (ffi_closure* closure, + ffi_cif* cif, + void (*fun)(ffi_cif*, void*, void**, void*), + void *user_data, + void *codeloc) +{ + unsigned int *tramp = (unsigned int *) &closure->tramp[0]; + unsigned long fn; +#ifdef SPARC64 + /* Trampoline address is equal to the closure address. We take advantage + of that to reduce the trampoline size by 8 bytes. */ + FFI_ASSERT (cif->abi == FFI_V9); + fn = (unsigned long) ffi_closure_v9; + tramp[0] = 0x83414000; /* rd %pc, %g1 */ + tramp[1] = 0xca586010; /* ldx [%g1+16], %g5 */ + tramp[2] = 0x81c14000; /* jmp %g5 */ + tramp[3] = 0x01000000; /* nop */ + *((unsigned long *) &tramp[4]) = fn; +#else + unsigned long ctx = (unsigned long) codeloc; + FFI_ASSERT (cif->abi == FFI_V8); + fn = (unsigned long) ffi_closure_v8; + tramp[0] = 0x03000000 | fn >> 10; /* sethi %hi(fn), %g1 */ + tramp[1] = 0x05000000 | ctx >> 10; /* sethi %hi(ctx), %g2 */ + tramp[2] = 0x81c06000 | (fn & 0x3ff); /* jmp %g1+%lo(fn) */ + tramp[3] = 0x8410a000 | (ctx & 0x3ff);/* or %g2, %lo(ctx) */ +#endif + + closure->cif = cif; + closure->fun = fun; + closure->user_data = user_data; + + /* Flush the Icache. FIXME: alignment isn't certain, assume 8 bytes */ +#ifdef SPARC64 + asm volatile ("flush %0" : : "r" (closure) : "memory"); + asm volatile ("flush %0" : : "r" (((char *) closure) + 8) : "memory"); +#else + asm volatile ("iflush %0" : : "r" (closure) : "memory"); + asm volatile ("iflush %0" : : "r" (((char *) closure) + 8) : "memory"); +#endif + + return FFI_OK; +} + +int +ffi_closure_sparc_inner_v8(ffi_closure *closure, + void *rvalue, unsigned long *gpr, unsigned long *scratch) +{ + ffi_cif *cif; + ffi_type **arg_types; + void **avalue; + int i, argn; + + cif = closure->cif; + arg_types = cif->arg_types; + avalue = alloca(cif->nargs * sizeof(void *)); + + /* Copy the caller's structure return address so that the closure + returns the data directly to the caller. */ + if (cif->flags == FFI_TYPE_STRUCT +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + || cif->flags == FFI_TYPE_LONGDOUBLE +#endif + ) + rvalue = (void *) gpr[0]; + + /* Always skip the structure return address. */ + argn = 1; + + /* Grab the addresses of the arguments from the stack frame. */ + for (i = 0; i < cif->nargs; i++) + { + if (arg_types[i]->type == FFI_TYPE_STRUCT +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + || arg_types[i]->type == FFI_TYPE_LONGDOUBLE +#endif + ) + { + /* Straight copy of invisible reference. */ + avalue[i] = (void *)gpr[argn++]; + } + else if ((arg_types[i]->type == FFI_TYPE_DOUBLE + || arg_types[i]->type == FFI_TYPE_SINT64 + || arg_types[i]->type == FFI_TYPE_UINT64) + /* gpr is 8-byte aligned. */ + && (argn % 2) != 0) + { + /* Align on a 8-byte boundary. */ + scratch[0] = gpr[argn]; + scratch[1] = gpr[argn+1]; + avalue[i] = scratch; + scratch -= 2; + argn += 2; + } + else + { + /* Always right-justify. */ + argn += ALIGN(arg_types[i]->size, FFI_SIZEOF_ARG) / FFI_SIZEOF_ARG; + avalue[i] = ((char *) &gpr[argn]) - arg_types[i]->size; + } + } + + /* Invoke the closure. */ + (closure->fun) (cif, rvalue, avalue, closure->user_data); + + /* Tell ffi_closure_sparc how to perform return type promotions. */ + return cif->rtype->type; +} + +int +ffi_closure_sparc_inner_v9(ffi_closure *closure, + void *rvalue, unsigned long *gpr, double *fpr) +{ + ffi_cif *cif; + ffi_type **arg_types; + void **avalue; + int i, argn, fp_slot_max; + + cif = closure->cif; + arg_types = cif->arg_types; + avalue = alloca(cif->nargs * sizeof(void *)); + + /* Copy the caller's structure return address so that the closure + returns the data directly to the caller. */ + if (cif->flags == FFI_TYPE_VOID + && cif->rtype->type == FFI_TYPE_STRUCT) + { + rvalue = (void *) gpr[0]; + /* Skip the structure return address. */ + argn = 1; + } + else + argn = 0; + + fp_slot_max = 16 - argn; + + /* Grab the addresses of the arguments from the stack frame. */ + for (i = 0; i < cif->nargs; i++) + { + if (arg_types[i]->type == FFI_TYPE_STRUCT) + { + if (arg_types[i]->size > 16) + { + /* Straight copy of invisible reference. */ + avalue[i] = (void *)gpr[argn++]; + } + else + { + /* Left-justify. */ + ffi_v9_layout_struct(arg_types[i], + 0, + (char *) &gpr[argn], + (char *) &gpr[argn], + (char *) &fpr[argn]); + avalue[i] = &gpr[argn]; + argn += ALIGN(arg_types[i]->size, FFI_SIZEOF_ARG) / FFI_SIZEOF_ARG; + } + } + else + { + /* Right-justify. */ + argn += ALIGN(arg_types[i]->size, FFI_SIZEOF_ARG) / FFI_SIZEOF_ARG; + + if (i < fp_slot_max + && (arg_types[i]->type == FFI_TYPE_FLOAT + || arg_types[i]->type == FFI_TYPE_DOUBLE +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + || arg_types[i]->type == FFI_TYPE_LONGDOUBLE +#endif + )) + avalue[i] = ((char *) &fpr[argn]) - arg_types[i]->size; + else + avalue[i] = ((char *) &gpr[argn]) - arg_types[i]->size; + } + } + + /* Invoke the closure. */ + (closure->fun) (cif, rvalue, avalue, closure->user_data); + + /* Tell ffi_closure_sparc how to perform return type promotions. */ + return cif->rtype->type; +} diff --git a/libffi-3.0.4/src/sparc/ffitarget.h b/libffi-3.0.4/src/sparc/ffitarget.h new file mode 100644 index 0000000..1a1a1ac --- /dev/null +++ b/libffi-3.0.4/src/sparc/ffitarget.h @@ -0,0 +1,66 @@ +/* -----------------------------------------------------------------*-C-*- + ffitarget.h - Copyright (c) 1996-2003 Red Hat, Inc. + Target configuration macros for SPARC. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + DEALINGS IN THE SOFTWARE. + + ----------------------------------------------------------------------- */ + +#ifndef LIBFFI_TARGET_H +#define LIBFFI_TARGET_H + +/* ---- System specific configurations ----------------------------------- */ + +#if defined(__arch64__) || defined(__sparcv9) +#define SPARC64 +#endif + +#ifndef LIBFFI_ASM +typedef unsigned long ffi_arg; +typedef signed long ffi_sarg; + +typedef enum ffi_abi { + FFI_FIRST_ABI = 0, + FFI_V8, + FFI_V8PLUS, + FFI_V9, +#ifdef SPARC64 + FFI_DEFAULT_ABI = FFI_V9, +#else + FFI_DEFAULT_ABI = FFI_V8, +#endif + FFI_LAST_ABI = FFI_DEFAULT_ABI + 1 +} ffi_abi; +#endif + +/* ---- Definitions for closures ----------------------------------------- */ + +#define FFI_CLOSURES 1 +#define FFI_NATIVE_RAW_API 0 + +#ifdef SPARC64 +#define FFI_TRAMPOLINE_SIZE 24 +#else +#define FFI_TRAMPOLINE_SIZE 16 +#endif + +#endif + diff --git a/libffi-3.0.4/src/sparc/v8.S b/libffi-3.0.4/src/sparc/v8.S new file mode 100644 index 0000000..32d0730 --- /dev/null +++ b/libffi-3.0.4/src/sparc/v8.S @@ -0,0 +1,268 @@ +/* ----------------------------------------------------------------------- + v8.S - Copyright (c) 1996, 1997, 2003, 2004 Red Hat, Inc. + + SPARC Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR + ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#define LIBFFI_ASM +#include <fficonfig.h> +#include <ffi.h> + +#define STACKFRAME 96 /* Minimum stack framesize for SPARC */ +#define ARGS (64+4) /* Offset of register area in frame */ + +.text + .align 8 +.globl ffi_call_v8 +.globl _ffi_call_v8 + +ffi_call_v8: +_ffi_call_v8: +.LLFB1: + save %sp, -STACKFRAME, %sp +.LLCFI0: + + sub %sp, %i2, %sp ! alloca() space in stack for frame to set up + add %sp, STACKFRAME, %l0 ! %l0 has start of + ! frame to set up + + mov %l0, %o0 ! call routine to set up frame + call %i0 + mov %i1, %o1 ! (delay) + + ld [%l0+ARGS], %o0 ! call foreign function + ld [%l0+ARGS+4], %o1 + ld [%l0+ARGS+8], %o2 + ld [%l0+ARGS+12], %o3 + ld [%l0+ARGS+16], %o4 + ld [%l0+ARGS+20], %o5 + call %i5 + mov %l0, %sp ! (delay) switch to frame + nop ! STRUCT returning functions skip 12 instead of 8 bytes + + ! If the return value pointer is NULL, assume no return value. + tst %i4 + bz done + nop + + cmp %i3, FFI_TYPE_INT + be,a done + st %o0, [%i4] ! (delay) + + cmp %i3, FFI_TYPE_FLOAT + be,a done + st %f0, [%i4+0] ! (delay) + + cmp %i3, FFI_TYPE_SINT64 + be longlong + + cmp %i3, FFI_TYPE_DOUBLE + bne done + nop + st %f0, [%i4+0] + st %f1, [%i4+4] + +done: + ret + restore + +longlong: + st %o0, [%i4+0] + st %o1, [%i4+4] + ret + restore +.LLFE1: + +.ffi_call_v8_end: + .size ffi_call_v8,.ffi_call_v8_end-ffi_call_v8 + + +#undef STACKFRAME +#define STACKFRAME 104 /* 16*4 register window + + 1*4 struct return + + 6*4 args backing store + + 3*4 locals */ + +/* ffi_closure_v8(...) + + Receives the closure argument in %g2. */ + + .text + .align 8 + .globl ffi_closure_v8 + +ffi_closure_v8: +#ifdef HAVE_AS_REGISTER_PSEUDO_OP + .register %g2, #scratch +#endif +.LLFB2: + ! Reserve frame space for all arguments in case + ! we need to align them on a 8-byte boundary. + ld [%g2+FFI_TRAMPOLINE_SIZE], %g1 + ld [%g1+4], %g1 + sll %g1, 3, %g1 + add %g1, STACKFRAME, %g1 + ! %g1 == STACKFRAME + 8*nargs + neg %g1 + save %sp, %g1, %sp +.LLCFI1: + + ! Store all of the potential argument registers in va_list format. + st %i0, [%fp+68+0] + st %i1, [%fp+68+4] + st %i2, [%fp+68+8] + st %i3, [%fp+68+12] + st %i4, [%fp+68+16] + st %i5, [%fp+68+20] + + ! Call ffi_closure_sparc_inner to do the bulk of the work. + mov %g2, %o0 + add %fp, -8, %o1 + add %fp, 64, %o2 + call ffi_closure_sparc_inner_v8 + add %fp, -16, %o3 + + ! Load up the return value in the proper type. + ! See ffi_prep_cif_machdep for the list of cases. + cmp %o0, FFI_TYPE_VOID + be done1 + + cmp %o0, FFI_TYPE_INT + be integer + + cmp %o0, FFI_TYPE_FLOAT + be,a done1 + ld [%fp-8], %f0 + + cmp %o0, FFI_TYPE_DOUBLE + be,a done1 + ldd [%fp-8], %f0 + +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + cmp %o0, FFI_TYPE_LONGDOUBLE + be done2 +#endif + + cmp %o0, FFI_TYPE_STRUCT + be done2 + + ! FFI_TYPE_SINT64 + ! FFI_TYPE_UINT64 + ld [%fp-4], %i1 + +integer: + ld [%fp-8], %i0 + +done1: + jmp %i7+8 + restore +done2: + ! Skip 'unimp'. + jmp %i7+12 + restore +.LLFE2: + +.ffi_closure_v8_end: + .size ffi_closure_v8,.ffi_closure_v8_end-ffi_closure_v8 + +#ifdef SPARC64 +#define WS 8 +#define nword xword +#define uanword uaxword +#else +#define WS 4 +#define nword long +#define uanword uaword +#endif + +#ifdef HAVE_RO_EH_FRAME + .section ".eh_frame",#alloc +#else + .section ".eh_frame",#alloc,#write +#endif +.LLframe1: + .uaword .LLECIE1-.LLSCIE1 ! Length of Common Information Entry +.LLSCIE1: + .uaword 0x0 ! CIE Identifier Tag + .byte 0x1 ! CIE Version + .ascii "zR\0" ! CIE Augmentation + .byte 0x1 ! uleb128 0x1; CIE Code Alignment Factor + .byte 0x80-WS ! sleb128 -WS; CIE Data Alignment Factor + .byte 0xf ! CIE RA Column + .byte 0x1 ! uleb128 0x1; Augmentation size +#ifdef HAVE_AS_SPARC_UA_PCREL + .byte 0x1b ! FDE Encoding (pcrel sdata4) +#else + .byte 0x50 ! FDE Encoding (aligned absolute) +#endif + .byte 0xc ! DW_CFA_def_cfa + .byte 0xe ! uleb128 0xe + .byte 0x0 ! uleb128 0x0 + .align WS +.LLECIE1: +.LLSFDE1: + .uaword .LLEFDE1-.LLASFDE1 ! FDE Length +.LLASFDE1: + .uaword .LLASFDE1-.LLframe1 ! FDE CIE offset +#ifdef HAVE_AS_SPARC_UA_PCREL + .uaword %r_disp32(.LLFB1) + .uaword .LLFE1-.LLFB1 ! FDE address range +#else + .align WS + .nword .LLFB1 + .uanword .LLFE1-.LLFB1 ! FDE address range +#endif + .byte 0x0 ! uleb128 0x0; Augmentation size + .byte 0x4 ! DW_CFA_advance_loc4 + .uaword .LLCFI0-.LLFB1 + .byte 0xd ! DW_CFA_def_cfa_register + .byte 0x1e ! uleb128 0x1e + .byte 0x2d ! DW_CFA_GNU_window_save + .byte 0x9 ! DW_CFA_register + .byte 0xf ! uleb128 0xf + .byte 0x1f ! uleb128 0x1f + .align WS +.LLEFDE1: +.LLSFDE2: + .uaword .LLEFDE2-.LLASFDE2 ! FDE Length +.LLASFDE2: + .uaword .LLASFDE2-.LLframe1 ! FDE CIE offset +#ifdef HAVE_AS_SPARC_UA_PCREL + .uaword %r_disp32(.LLFB2) + .uaword .LLFE2-.LLFB2 ! FDE address range +#else + .align WS + .nword .LLFB2 + .uanword .LLFE2-.LLFB2 ! FDE address range +#endif + .byte 0x0 ! uleb128 0x0; Augmentation size + .byte 0x4 ! DW_CFA_advance_loc4 + .uaword .LLCFI1-.LLFB2 + .byte 0xd ! DW_CFA_def_cfa_register + .byte 0x1e ! uleb128 0x1e + .byte 0x2d ! DW_CFA_GNU_window_save + .byte 0x9 ! DW_CFA_register + .byte 0xf ! uleb128 0xf + .byte 0x1f ! uleb128 0x1f + .align WS +.LLEFDE2: diff --git a/libffi-3.0.4/src/sparc/v9.S b/libffi-3.0.4/src/sparc/v9.S new file mode 100644 index 0000000..a19cd71 --- /dev/null +++ b/libffi-3.0.4/src/sparc/v9.S @@ -0,0 +1,303 @@ +/* ----------------------------------------------------------------------- + v9.S - Copyright (c) 2000, 2003, 2004 Red Hat, Inc. + + SPARC 64-bit Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR + ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#define LIBFFI_ASM +#include <fficonfig.h> +#include <ffi.h> + +#ifdef SPARC64 +/* Only compile this in for 64bit builds, because otherwise the object file + will have inproper architecture due to used instructions. */ + +#define STACKFRAME 128 /* Minimum stack framesize for SPARC */ +#define STACK_BIAS 2047 +#define ARGS (128) /* Offset of register area in frame */ + +.text + .align 8 +.globl ffi_call_v9 +.globl _ffi_call_v9 + +ffi_call_v9: +_ffi_call_v9: +.LLFB1: + save %sp, -STACKFRAME, %sp +.LLCFI0: + + sub %sp, %i2, %sp ! alloca() space in stack for frame to set up + add %sp, STACKFRAME+STACK_BIAS, %l0 ! %l0 has start of + ! frame to set up + + mov %l0, %o0 ! call routine to set up frame + call %i0 + mov %i1, %o1 ! (delay) + brz,pt %o0, 1f + ldx [%l0+ARGS], %o0 ! call foreign function + + ldd [%l0+ARGS], %f0 + ldd [%l0+ARGS+8], %f2 + ldd [%l0+ARGS+16], %f4 + ldd [%l0+ARGS+24], %f6 + ldd [%l0+ARGS+32], %f8 + ldd [%l0+ARGS+40], %f10 + ldd [%l0+ARGS+48], %f12 + ldd [%l0+ARGS+56], %f14 + ldd [%l0+ARGS+64], %f16 + ldd [%l0+ARGS+72], %f18 + ldd [%l0+ARGS+80], %f20 + ldd [%l0+ARGS+88], %f22 + ldd [%l0+ARGS+96], %f24 + ldd [%l0+ARGS+104], %f26 + ldd [%l0+ARGS+112], %f28 + ldd [%l0+ARGS+120], %f30 + +1: ldx [%l0+ARGS+8], %o1 + ldx [%l0+ARGS+16], %o2 + ldx [%l0+ARGS+24], %o3 + ldx [%l0+ARGS+32], %o4 + ldx [%l0+ARGS+40], %o5 + call %i5 + sub %l0, STACK_BIAS, %sp ! (delay) switch to frame + + ! If the return value pointer is NULL, assume no return value. + brz,pn %i4, done + nop + + cmp %i3, FFI_TYPE_INT + be,a,pt %icc, done + stx %o0, [%i4+0] ! (delay) + + cmp %i3, FFI_TYPE_FLOAT + be,a,pn %icc, done + st %f0, [%i4+0] ! (delay) + + cmp %i3, FFI_TYPE_DOUBLE + be,a,pn %icc, done + std %f0, [%i4+0] ! (delay) + + cmp %i3, FFI_TYPE_STRUCT + be,pn %icc, dostruct + + cmp %i3, FFI_TYPE_LONGDOUBLE + bne,pt %icc, done + nop + std %f0, [%i4+0] + std %f2, [%i4+8] + +done: ret + restore + +dostruct: + /* This will not work correctly for unions. */ + stx %o0, [%i4+0] + stx %o1, [%i4+8] + stx %o2, [%i4+16] + stx %o3, [%i4+24] + std %f0, [%i4+32] + std %f2, [%i4+40] + std %f4, [%i4+48] + std %f6, [%i4+56] + ret + restore +.LLFE1: + +.ffi_call_v9_end: + .size ffi_call_v9,.ffi_call_v9_end-ffi_call_v9 + + +#undef STACKFRAME +#define STACKFRAME 336 /* 16*8 register window + + 6*8 args backing store + + 20*8 locals */ +#define FP %fp+STACK_BIAS + +/* ffi_closure_v9(...) + + Receives the closure argument in %g1. */ + + .text + .align 8 + .globl ffi_closure_v9 + +ffi_closure_v9: +.LLFB2: + save %sp, -STACKFRAME, %sp +.LLCFI1: + + ! Store all of the potential argument registers in va_list format. + stx %i0, [FP+128+0] + stx %i1, [FP+128+8] + stx %i2, [FP+128+16] + stx %i3, [FP+128+24] + stx %i4, [FP+128+32] + stx %i5, [FP+128+40] + + ! Store possible floating point argument registers too. + std %f0, [FP-128] + std %f2, [FP-120] + std %f4, [FP-112] + std %f6, [FP-104] + std %f8, [FP-96] + std %f10, [FP-88] + std %f12, [FP-80] + std %f14, [FP-72] + std %f16, [FP-64] + std %f18, [FP-56] + std %f20, [FP-48] + std %f22, [FP-40] + std %f24, [FP-32] + std %f26, [FP-24] + std %f28, [FP-16] + std %f30, [FP-8] + + ! Call ffi_closure_sparc_inner to do the bulk of the work. + mov %g1, %o0 + add %fp, STACK_BIAS-160, %o1 + add %fp, STACK_BIAS+128, %o2 + call ffi_closure_sparc_inner_v9 + add %fp, STACK_BIAS-128, %o3 + + ! Load up the return value in the proper type. + ! See ffi_prep_cif_machdep for the list of cases. + cmp %o0, FFI_TYPE_VOID + be,pn %icc, done1 + + cmp %o0, FFI_TYPE_INT + be,pn %icc, integer + + cmp %o0, FFI_TYPE_FLOAT + be,a,pn %icc, done1 + ld [FP-160], %f0 + + cmp %o0, FFI_TYPE_DOUBLE + be,a,pn %icc, done1 + ldd [FP-160], %f0 + +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + cmp %o0, FFI_TYPE_LONGDOUBLE + be,a,pn %icc, longdouble1 + ldd [FP-160], %f0 +#endif + + ! FFI_TYPE_STRUCT + ldx [FP-152], %i1 + ldx [FP-144], %i2 + ldx [FP-136], %i3 + ldd [FP-160], %f0 + ldd [FP-152], %f2 + ldd [FP-144], %f4 + ldd [FP-136], %f6 + +integer: + ldx [FP-160], %i0 + +done1: + ret + restore + +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE +longdouble1: + ldd [FP-152], %f2 + ret + restore +#endif +.LLFE2: + +.ffi_closure_v9_end: + .size ffi_closure_v9,.ffi_closure_v9_end-ffi_closure_v9 + +#ifdef HAVE_RO_EH_FRAME + .section ".eh_frame",#alloc +#else + .section ".eh_frame",#alloc,#write +#endif +.LLframe1: + .uaword .LLECIE1-.LLSCIE1 ! Length of Common Information Entry +.LLSCIE1: + .uaword 0x0 ! CIE Identifier Tag + .byte 0x1 ! CIE Version + .ascii "zR\0" ! CIE Augmentation + .byte 0x1 ! uleb128 0x1; CIE Code Alignment Factor + .byte 0x78 ! sleb128 -8; CIE Data Alignment Factor + .byte 0xf ! CIE RA Column + .byte 0x1 ! uleb128 0x1; Augmentation size +#ifdef HAVE_AS_SPARC_UA_PCREL + .byte 0x1b ! FDE Encoding (pcrel sdata4) +#else + .byte 0x50 ! FDE Encoding (aligned absolute) +#endif + .byte 0xc ! DW_CFA_def_cfa + .byte 0xe ! uleb128 0xe + .byte 0xff,0xf ! uleb128 0x7ff + .align 8 +.LLECIE1: +.LLSFDE1: + .uaword .LLEFDE1-.LLASFDE1 ! FDE Length +.LLASFDE1: + .uaword .LLASFDE1-.LLframe1 ! FDE CIE offset +#ifdef HAVE_AS_SPARC_UA_PCREL + .uaword %r_disp32(.LLFB1) + .uaword .LLFE1-.LLFB1 ! FDE address range +#else + .align 8 + .xword .LLFB1 + .uaxword .LLFE1-.LLFB1 ! FDE address range +#endif + .byte 0x0 ! uleb128 0x0; Augmentation size + .byte 0x4 ! DW_CFA_advance_loc4 + .uaword .LLCFI0-.LLFB1 + .byte 0xd ! DW_CFA_def_cfa_register + .byte 0x1e ! uleb128 0x1e + .byte 0x2d ! DW_CFA_GNU_window_save + .byte 0x9 ! DW_CFA_register + .byte 0xf ! uleb128 0xf + .byte 0x1f ! uleb128 0x1f + .align 8 +.LLEFDE1: +.LLSFDE2: + .uaword .LLEFDE2-.LLASFDE2 ! FDE Length +.LLASFDE2: + .uaword .LLASFDE2-.LLframe1 ! FDE CIE offset +#ifdef HAVE_AS_SPARC_UA_PCREL + .uaword %r_disp32(.LLFB2) + .uaword .LLFE2-.LLFB2 ! FDE address range +#else + .align 8 + .xword .LLFB2 + .uaxword .LLFE2-.LLFB2 ! FDE address range +#endif + .byte 0x0 ! uleb128 0x0; Augmentation size + .byte 0x4 ! DW_CFA_advance_loc4 + .uaword .LLCFI1-.LLFB2 + .byte 0xd ! DW_CFA_def_cfa_register + .byte 0x1e ! uleb128 0x1e + .byte 0x2d ! DW_CFA_GNU_window_save + .byte 0x9 ! DW_CFA_register + .byte 0xf ! uleb128 0xf + .byte 0x1f ! uleb128 0x1f + .align 8 +.LLEFDE2: +#endif |