diff options
author | Anton Samokhvalov <[email protected]> | 2022-02-10 16:45:17 +0300 |
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committer | Daniil Cherednik <[email protected]> | 2022-02-10 16:45:17 +0300 |
commit | d3a398281c6fd1d3672036cb2d63f842d2cb28c5 (patch) | |
tree | dd4bd3ca0f36b817e96812825ffaf10d645803f2 /contrib/restricted/libffi/src/java_raw_api.c | |
parent | 72cb13b4aff9bc9cf22e49251bc8fd143f82538f (diff) |
Restoring authorship annotation for Anton Samokhvalov <[email protected]>. Commit 2 of 2.
Diffstat (limited to 'contrib/restricted/libffi/src/java_raw_api.c')
-rw-r--r-- | contrib/restricted/libffi/src/java_raw_api.c | 702 |
1 files changed, 351 insertions, 351 deletions
diff --git a/contrib/restricted/libffi/src/java_raw_api.c b/contrib/restricted/libffi/src/java_raw_api.c index 0f1ef3821bb..114d3e47fcd 100644 --- a/contrib/restricted/libffi/src/java_raw_api.c +++ b/contrib/restricted/libffi/src/java_raw_api.c @@ -1,374 +1,374 @@ -/* ----------------------------------------------------------------------- - java_raw_api.c - Copyright (c) 1999, 2007, 2008 Red Hat, Inc. - - Cloned from raw_api.c - - Raw_api.c author: Kresten Krab Thorup <[email protected]> - Java_raw_api.c author: Hans-J. Boehm <[email protected]> - - $Id $ - - 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. - ----------------------------------------------------------------------- */ - -/* This defines a Java- and 64-bit specific variant of the raw API. */ -/* It assumes that "raw" argument blocks look like Java stacks on a */ -/* 64-bit machine. Arguments that can be stored in a single stack */ -/* stack slots (longs, doubles) occupy 128 bits, but only the first */ -/* 64 bits are actually used. */ - -#include <ffi.h> -#include <ffi_common.h> -#include <stdlib.h> - +/* ----------------------------------------------------------------------- + java_raw_api.c - Copyright (c) 1999, 2007, 2008 Red Hat, Inc. + + Cloned from raw_api.c + + Raw_api.c author: Kresten Krab Thorup <[email protected]> + Java_raw_api.c author: Hans-J. Boehm <[email protected]> + + $Id $ + + 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. + ----------------------------------------------------------------------- */ + +/* This defines a Java- and 64-bit specific variant of the raw API. */ +/* It assumes that "raw" argument blocks look like Java stacks on a */ +/* 64-bit machine. Arguments that can be stored in a single stack */ +/* stack slots (longs, doubles) occupy 128 bits, but only the first */ +/* 64 bits are actually used. */ + +#include <ffi.h> +#include <ffi_common.h> +#include <stdlib.h> + #if !defined(NO_JAVA_RAW_API) - -size_t -ffi_java_raw_size (ffi_cif *cif) -{ - size_t result = 0; - int i; - - ffi_type **at = cif->arg_types; - - for (i = cif->nargs-1; i >= 0; i--, at++) - { - switch((*at) -> type) { - case FFI_TYPE_UINT64: - case FFI_TYPE_SINT64: - case FFI_TYPE_DOUBLE: - result += 2 * FFI_SIZEOF_JAVA_RAW; - break; - case FFI_TYPE_STRUCT: - /* No structure parameters in Java. */ - abort(); + +size_t +ffi_java_raw_size (ffi_cif *cif) +{ + size_t result = 0; + int i; + + ffi_type **at = cif->arg_types; + + for (i = cif->nargs-1; i >= 0; i--, at++) + { + switch((*at) -> type) { + case FFI_TYPE_UINT64: + case FFI_TYPE_SINT64: + case FFI_TYPE_DOUBLE: + result += 2 * FFI_SIZEOF_JAVA_RAW; + break; + case FFI_TYPE_STRUCT: + /* No structure parameters in Java. */ + abort(); case FFI_TYPE_COMPLEX: /* Not supported yet. */ abort(); - default: - result += FFI_SIZEOF_JAVA_RAW; - } - } - - return result; -} - - -void -ffi_java_raw_to_ptrarray (ffi_cif *cif, ffi_java_raw *raw, void **args) -{ - unsigned i; - ffi_type **tp = cif->arg_types; - -#if WORDS_BIGENDIAN - - for (i = 0; i < cif->nargs; i++, tp++, args++) - { - switch ((*tp)->type) - { - case FFI_TYPE_UINT8: - case FFI_TYPE_SINT8: - *args = (void*) ((char*)(raw++) + 3); - break; - - case FFI_TYPE_UINT16: - case FFI_TYPE_SINT16: - *args = (void*) ((char*)(raw++) + 2); - break; - -#if FFI_SIZEOF_JAVA_RAW == 8 - case FFI_TYPE_UINT64: - case FFI_TYPE_SINT64: - case FFI_TYPE_DOUBLE: - *args = (void *)raw; - raw += 2; - break; -#endif - - case FFI_TYPE_POINTER: - *args = (void*) &(raw++)->ptr; - break; - + default: + result += FFI_SIZEOF_JAVA_RAW; + } + } + + return result; +} + + +void +ffi_java_raw_to_ptrarray (ffi_cif *cif, ffi_java_raw *raw, void **args) +{ + unsigned i; + ffi_type **tp = cif->arg_types; + +#if WORDS_BIGENDIAN + + for (i = 0; i < cif->nargs; i++, tp++, args++) + { + switch ((*tp)->type) + { + case FFI_TYPE_UINT8: + case FFI_TYPE_SINT8: + *args = (void*) ((char*)(raw++) + 3); + break; + + case FFI_TYPE_UINT16: + case FFI_TYPE_SINT16: + *args = (void*) ((char*)(raw++) + 2); + break; + +#if FFI_SIZEOF_JAVA_RAW == 8 + case FFI_TYPE_UINT64: + case FFI_TYPE_SINT64: + case FFI_TYPE_DOUBLE: + *args = (void *)raw; + raw += 2; + break; +#endif + + case FFI_TYPE_POINTER: + *args = (void*) &(raw++)->ptr; + break; + case FFI_TYPE_COMPLEX: /* Not supported yet. */ abort(); - default: - *args = raw; - raw += + default: + *args = raw; + raw += FFI_ALIGN ((*tp)->size, sizeof(ffi_java_raw)) / sizeof(ffi_java_raw); - } - } - -#else /* WORDS_BIGENDIAN */ - -#if !PDP - - /* then assume little endian */ - for (i = 0; i < cif->nargs; i++, tp++, args++) - { -#if FFI_SIZEOF_JAVA_RAW == 8 - switch((*tp)->type) { - case FFI_TYPE_UINT64: - case FFI_TYPE_SINT64: - case FFI_TYPE_DOUBLE: - *args = (void*) raw; - raw += 2; - break; + } + } + +#else /* WORDS_BIGENDIAN */ + +#if !PDP + + /* then assume little endian */ + for (i = 0; i < cif->nargs; i++, tp++, args++) + { +#if FFI_SIZEOF_JAVA_RAW == 8 + switch((*tp)->type) { + case FFI_TYPE_UINT64: + case FFI_TYPE_SINT64: + case FFI_TYPE_DOUBLE: + *args = (void*) raw; + raw += 2; + break; case FFI_TYPE_COMPLEX: /* Not supported yet. */ abort(); - default: - *args = (void*) raw++; - } -#else /* FFI_SIZEOF_JAVA_RAW != 8 */ - *args = (void*) raw; - raw += + default: + *args = (void*) raw++; + } +#else /* FFI_SIZEOF_JAVA_RAW != 8 */ + *args = (void*) raw; + raw += FFI_ALIGN ((*tp)->size, sizeof(ffi_java_raw)) / sizeof(ffi_java_raw); -#endif /* FFI_SIZEOF_JAVA_RAW == 8 */ - } - -#else -#error "pdp endian not supported" -#endif /* ! PDP */ - -#endif /* WORDS_BIGENDIAN */ -} - -void -ffi_java_ptrarray_to_raw (ffi_cif *cif, void **args, ffi_java_raw *raw) -{ - unsigned i; - ffi_type **tp = cif->arg_types; - - for (i = 0; i < cif->nargs; i++, tp++, args++) - { - switch ((*tp)->type) - { - case FFI_TYPE_UINT8: -#if WORDS_BIGENDIAN - *(UINT32*)(raw++) = *(UINT8*) (*args); -#else - (raw++)->uint = *(UINT8*) (*args); -#endif - break; - - case FFI_TYPE_SINT8: -#if WORDS_BIGENDIAN - *(SINT32*)(raw++) = *(SINT8*) (*args); -#else - (raw++)->sint = *(SINT8*) (*args); -#endif - break; - - case FFI_TYPE_UINT16: -#if WORDS_BIGENDIAN - *(UINT32*)(raw++) = *(UINT16*) (*args); -#else - (raw++)->uint = *(UINT16*) (*args); -#endif - break; - - case FFI_TYPE_SINT16: -#if WORDS_BIGENDIAN - *(SINT32*)(raw++) = *(SINT16*) (*args); -#else - (raw++)->sint = *(SINT16*) (*args); -#endif - break; - - case FFI_TYPE_UINT32: -#if WORDS_BIGENDIAN - *(UINT32*)(raw++) = *(UINT32*) (*args); -#else - (raw++)->uint = *(UINT32*) (*args); -#endif - break; - - case FFI_TYPE_SINT32: -#if WORDS_BIGENDIAN - *(SINT32*)(raw++) = *(SINT32*) (*args); -#else - (raw++)->sint = *(SINT32*) (*args); -#endif - break; - - case FFI_TYPE_FLOAT: - (raw++)->flt = *(FLOAT32*) (*args); - break; - -#if FFI_SIZEOF_JAVA_RAW == 8 - case FFI_TYPE_UINT64: - case FFI_TYPE_SINT64: - case FFI_TYPE_DOUBLE: - raw->uint = *(UINT64*) (*args); - raw += 2; - break; -#endif - - case FFI_TYPE_POINTER: - (raw++)->ptr = **(void***) args; - break; - - default: -#if FFI_SIZEOF_JAVA_RAW == 8 - FFI_ASSERT(0); /* Should have covered all cases */ -#else - memcpy ((void*) raw->data, (void*)*args, (*tp)->size); - raw += +#endif /* FFI_SIZEOF_JAVA_RAW == 8 */ + } + +#else +#error "pdp endian not supported" +#endif /* ! PDP */ + +#endif /* WORDS_BIGENDIAN */ +} + +void +ffi_java_ptrarray_to_raw (ffi_cif *cif, void **args, ffi_java_raw *raw) +{ + unsigned i; + ffi_type **tp = cif->arg_types; + + for (i = 0; i < cif->nargs; i++, tp++, args++) + { + switch ((*tp)->type) + { + case FFI_TYPE_UINT8: +#if WORDS_BIGENDIAN + *(UINT32*)(raw++) = *(UINT8*) (*args); +#else + (raw++)->uint = *(UINT8*) (*args); +#endif + break; + + case FFI_TYPE_SINT8: +#if WORDS_BIGENDIAN + *(SINT32*)(raw++) = *(SINT8*) (*args); +#else + (raw++)->sint = *(SINT8*) (*args); +#endif + break; + + case FFI_TYPE_UINT16: +#if WORDS_BIGENDIAN + *(UINT32*)(raw++) = *(UINT16*) (*args); +#else + (raw++)->uint = *(UINT16*) (*args); +#endif + break; + + case FFI_TYPE_SINT16: +#if WORDS_BIGENDIAN + *(SINT32*)(raw++) = *(SINT16*) (*args); +#else + (raw++)->sint = *(SINT16*) (*args); +#endif + break; + + case FFI_TYPE_UINT32: +#if WORDS_BIGENDIAN + *(UINT32*)(raw++) = *(UINT32*) (*args); +#else + (raw++)->uint = *(UINT32*) (*args); +#endif + break; + + case FFI_TYPE_SINT32: +#if WORDS_BIGENDIAN + *(SINT32*)(raw++) = *(SINT32*) (*args); +#else + (raw++)->sint = *(SINT32*) (*args); +#endif + break; + + case FFI_TYPE_FLOAT: + (raw++)->flt = *(FLOAT32*) (*args); + break; + +#if FFI_SIZEOF_JAVA_RAW == 8 + case FFI_TYPE_UINT64: + case FFI_TYPE_SINT64: + case FFI_TYPE_DOUBLE: + raw->uint = *(UINT64*) (*args); + raw += 2; + break; +#endif + + case FFI_TYPE_POINTER: + (raw++)->ptr = **(void***) args; + break; + + default: +#if FFI_SIZEOF_JAVA_RAW == 8 + FFI_ASSERT(0); /* Should have covered all cases */ +#else + memcpy ((void*) raw->data, (void*)*args, (*tp)->size); + raw += FFI_ALIGN ((*tp)->size, sizeof(ffi_java_raw)) / sizeof(ffi_java_raw); -#endif - } - } -} - -#if !FFI_NATIVE_RAW_API - -static void -ffi_java_rvalue_to_raw (ffi_cif *cif, void *rvalue) -{ -#if WORDS_BIGENDIAN && FFI_SIZEOF_ARG == 8 - switch (cif->rtype->type) - { - case FFI_TYPE_UINT8: - case FFI_TYPE_UINT16: - case FFI_TYPE_UINT32: - *(UINT64 *)rvalue <<= 32; - break; - - case FFI_TYPE_SINT8: - case FFI_TYPE_SINT16: - case FFI_TYPE_SINT32: - case FFI_TYPE_INT: -#if FFI_SIZEOF_JAVA_RAW == 4 - case FFI_TYPE_POINTER: -#endif - *(SINT64 *)rvalue <<= 32; - break; - +#endif + } + } +} + +#if !FFI_NATIVE_RAW_API + +static void +ffi_java_rvalue_to_raw (ffi_cif *cif, void *rvalue) +{ +#if WORDS_BIGENDIAN && FFI_SIZEOF_ARG == 8 + switch (cif->rtype->type) + { + case FFI_TYPE_UINT8: + case FFI_TYPE_UINT16: + case FFI_TYPE_UINT32: + *(UINT64 *)rvalue <<= 32; + break; + + case FFI_TYPE_SINT8: + case FFI_TYPE_SINT16: + case FFI_TYPE_SINT32: + case FFI_TYPE_INT: +#if FFI_SIZEOF_JAVA_RAW == 4 + case FFI_TYPE_POINTER: +#endif + *(SINT64 *)rvalue <<= 32; + break; + case FFI_TYPE_COMPLEX: /* Not supported yet. */ abort(); - default: - break; - } -#endif -} - -static void -ffi_java_raw_to_rvalue (ffi_cif *cif, void *rvalue) -{ -#if WORDS_BIGENDIAN && FFI_SIZEOF_ARG == 8 - switch (cif->rtype->type) - { - case FFI_TYPE_UINT8: - case FFI_TYPE_UINT16: - case FFI_TYPE_UINT32: - *(UINT64 *)rvalue >>= 32; - break; - - case FFI_TYPE_SINT8: - case FFI_TYPE_SINT16: - case FFI_TYPE_SINT32: - case FFI_TYPE_INT: - *(SINT64 *)rvalue >>= 32; - break; - + default: + break; + } +#endif +} + +static void +ffi_java_raw_to_rvalue (ffi_cif *cif, void *rvalue) +{ +#if WORDS_BIGENDIAN && FFI_SIZEOF_ARG == 8 + switch (cif->rtype->type) + { + case FFI_TYPE_UINT8: + case FFI_TYPE_UINT16: + case FFI_TYPE_UINT32: + *(UINT64 *)rvalue >>= 32; + break; + + case FFI_TYPE_SINT8: + case FFI_TYPE_SINT16: + case FFI_TYPE_SINT32: + case FFI_TYPE_INT: + *(SINT64 *)rvalue >>= 32; + break; + case FFI_TYPE_COMPLEX: /* Not supported yet. */ abort(); - default: - break; - } -#endif -} - -/* This is a generic definition of ffi_raw_call, to be used if the - * native system does not provide a machine-specific implementation. - * Having this, allows code to be written for the raw API, without - * the need for system-specific code to handle input in that format; - * these following couple of functions will handle the translation forth - * and back automatically. */ - -void ffi_java_raw_call (ffi_cif *cif, void (*fn)(void), void *rvalue, - ffi_java_raw *raw) -{ - void **avalue = (void**) alloca (cif->nargs * sizeof (void*)); - ffi_java_raw_to_ptrarray (cif, raw, avalue); - ffi_call (cif, fn, rvalue, avalue); - ffi_java_rvalue_to_raw (cif, rvalue); -} - -#if FFI_CLOSURES /* base system provides closures */ - -static void -ffi_java_translate_args (ffi_cif *cif, void *rvalue, - void **avalue, void *user_data) -{ - ffi_java_raw *raw = (ffi_java_raw*)alloca (ffi_java_raw_size (cif)); - ffi_raw_closure *cl = (ffi_raw_closure*)user_data; - - ffi_java_ptrarray_to_raw (cif, avalue, raw); - (*cl->fun) (cif, rvalue, (ffi_raw*)raw, cl->user_data); - ffi_java_raw_to_rvalue (cif, rvalue); -} - -ffi_status -ffi_prep_java_raw_closure_loc (ffi_java_raw_closure* cl, - ffi_cif *cif, - void (*fun)(ffi_cif*,void*,ffi_java_raw*,void*), - void *user_data, - void *codeloc) -{ - ffi_status status; - - status = ffi_prep_closure_loc ((ffi_closure*) cl, - cif, - &ffi_java_translate_args, - codeloc, - codeloc); - if (status == FFI_OK) - { - cl->fun = fun; - cl->user_data = user_data; - } - - return status; -} - -/* Again, here is the generic version of ffi_prep_raw_closure, which - * will install an intermediate "hub" for translation of arguments from - * the pointer-array format, to the raw format */ - -ffi_status -ffi_prep_java_raw_closure (ffi_java_raw_closure* cl, - ffi_cif *cif, - void (*fun)(ffi_cif*,void*,ffi_java_raw*,void*), - void *user_data) -{ - return ffi_prep_java_raw_closure_loc (cl, cif, fun, user_data, cl); -} - -#endif /* FFI_CLOSURES */ -#endif /* !FFI_NATIVE_RAW_API */ + default: + break; + } +#endif +} + +/* This is a generic definition of ffi_raw_call, to be used if the + * native system does not provide a machine-specific implementation. + * Having this, allows code to be written for the raw API, without + * the need for system-specific code to handle input in that format; + * these following couple of functions will handle the translation forth + * and back automatically. */ + +void ffi_java_raw_call (ffi_cif *cif, void (*fn)(void), void *rvalue, + ffi_java_raw *raw) +{ + void **avalue = (void**) alloca (cif->nargs * sizeof (void*)); + ffi_java_raw_to_ptrarray (cif, raw, avalue); + ffi_call (cif, fn, rvalue, avalue); + ffi_java_rvalue_to_raw (cif, rvalue); +} + +#if FFI_CLOSURES /* base system provides closures */ + +static void +ffi_java_translate_args (ffi_cif *cif, void *rvalue, + void **avalue, void *user_data) +{ + ffi_java_raw *raw = (ffi_java_raw*)alloca (ffi_java_raw_size (cif)); + ffi_raw_closure *cl = (ffi_raw_closure*)user_data; + + ffi_java_ptrarray_to_raw (cif, avalue, raw); + (*cl->fun) (cif, rvalue, (ffi_raw*)raw, cl->user_data); + ffi_java_raw_to_rvalue (cif, rvalue); +} + +ffi_status +ffi_prep_java_raw_closure_loc (ffi_java_raw_closure* cl, + ffi_cif *cif, + void (*fun)(ffi_cif*,void*,ffi_java_raw*,void*), + void *user_data, + void *codeloc) +{ + ffi_status status; + + status = ffi_prep_closure_loc ((ffi_closure*) cl, + cif, + &ffi_java_translate_args, + codeloc, + codeloc); + if (status == FFI_OK) + { + cl->fun = fun; + cl->user_data = user_data; + } + + return status; +} + +/* Again, here is the generic version of ffi_prep_raw_closure, which + * will install an intermediate "hub" for translation of arguments from + * the pointer-array format, to the raw format */ + +ffi_status +ffi_prep_java_raw_closure (ffi_java_raw_closure* cl, + ffi_cif *cif, + void (*fun)(ffi_cif*,void*,ffi_java_raw*,void*), + void *user_data) +{ + return ffi_prep_java_raw_closure_loc (cl, cif, fun, user_data, cl); +} + +#endif /* FFI_CLOSURES */ +#endif /* !FFI_NATIVE_RAW_API */ #endif /* !NO_JAVA_RAW_API */ |