merge from gcc
This commit is contained in:
DJ Delorie
parent
b7749822ed
commit
158f8b34a1
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@ -1,3 +1,11 @@
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2014-10-27 Phil Muldoon <pmuldoon@redhat.com>
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Jan Kratochvil <jan.kratochvil@redhat.com>
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Tom Tromey <tromey@redhat.com>
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* gcc-c-fe.def: New file.
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* gcc-c-interface.h: New file.
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* gcc-interface.h: New file.
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2014-10-15 David Malcolm <dmalcolm@redhat.com>
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* libiberty.h (choose_tmpdir): New prototype.
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@ -0,0 +1,197 @@
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/* Interface between GCC C FE and GDB -*- c -*-
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Copyright (C) 2014 Free Software Foundation, Inc.
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This file is part of GCC.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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||||
the Free Software Foundation; either version 3 of the License, or
|
||||
(at your option) any later version.
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||||
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This program is distributed in the hope that it will be useful,
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||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
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||||
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||||
You should have received a copy of the GNU General Public License
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||||
along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* Create a new "decl" in GCC. A decl is a declaration, basically a
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kind of symbol.
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NAME is the name of the new symbol. SYM_KIND is the kind of
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symbol being requested. SYM_TYPE is the new symbol's C type;
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except for labels, where this is not meaningful and should be
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zero. If SUBSTITUTION_NAME is not NULL, then a reference to this
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decl in the source will later be substituted with a dereference
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of a variable of the given name. Otherwise, for symbols having
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an address (e.g., functions), ADDRESS is the address. FILENAME
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and LINE_NUMBER refer to the symbol's source location. If this
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is not known, FILENAME can be NULL and LINE_NUMBER can be 0.
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This function returns the new decl. */
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GCC_METHOD7 (gcc_decl, build_decl,
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const char *, /* Argument NAME. */
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enum gcc_c_symbol_kind, /* Argument SYM_KIND. */
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gcc_type, /* Argument SYM_TYPE. */
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const char *, /* Argument SUBSTITUTION_NAME. */
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gcc_address, /* Argument ADDRESS. */
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const char *, /* Argument FILENAME. */
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unsigned int) /* Argument LINE_NUMBER. */
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/* Insert a GCC decl into the symbol table. DECL is the decl to
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insert. IS_GLOBAL is true if this is an outermost binding, and
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false if it is a possibly-shadowing binding. */
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GCC_METHOD2 (int /* bool */, bind,
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gcc_decl, /* Argument DECL. */
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int /* bool */) /* Argument IS_GLOBAL. */
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/* Insert a tagged type into the symbol table. NAME is the tag name
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of the type and TAGGED_TYPE is the type itself. TAGGED_TYPE must
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be either a struct, union, or enum type, as these are the only
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types that have tags. FILENAME and LINE_NUMBER refer to the type's
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source location. If this is not known, FILENAME can be NULL and
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LINE_NUMBER can be 0. */
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GCC_METHOD4 (int /* bool */, tagbind,
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const char *, /* Argument NAME. */
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gcc_type, /* Argument TAGGED_TYPE. */
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const char *, /* Argument FILENAME. */
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unsigned int) /* Argument LINE_NUMBER. */
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/* Return the type of a pointer to a given base type. */
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GCC_METHOD1 (gcc_type, build_pointer_type,
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gcc_type) /* Argument BASE_TYPE. */
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/* Create a new 'struct' type. Initially it has no fields. */
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GCC_METHOD0 (gcc_type, build_record_type)
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/* Create a new 'union' type. Initially it has no fields. */
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GCC_METHOD0 (gcc_type, build_union_type)
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/* Add a field to a struct or union type. FIELD_NAME is the field's
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name. FIELD_TYPE is the type of the field. BITSIZE and BITPOS
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indicate where in the struct the field occurs. */
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GCC_METHOD5 (int /* bool */, build_add_field,
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gcc_type, /* Argument RECORD_OR_UNION_TYPE. */
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const char *, /* Argument FIELD_NAME. */
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gcc_type, /* Argument FIELD_TYPE. */
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unsigned long, /* Argument BITSIZE. */
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unsigned long) /* Argument BITPOS. */
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/* After all the fields have been added to a struct or union, the
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struct or union type must be "finished". This does some final
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cleanups in GCC. */
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GCC_METHOD2 (int /* bool */, finish_record_or_union,
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gcc_type, /* Argument RECORD_OR_UNION_TYPE. */
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unsigned long) /* Argument SIZE_IN_BYTES. */
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/* Create a new 'enum' type. The new type initially has no
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associated constants. */
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GCC_METHOD1 (gcc_type, build_enum_type,
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gcc_type) /* Argument UNDERLYING_INT_TYPE. */
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/* Add a new constant to an enum type. NAME is the constant's
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name and VALUE is its value. */
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GCC_METHOD3 (int /* bool */, build_add_enum_constant,
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gcc_type, /* Argument ENUM_TYPE. */
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const char *, /* Argument NAME. */
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unsigned long) /* Argument VALUE. */
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/* After all the constants have been added to an enum, the type must
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be "finished". This does some final cleanups in GCC. */
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GCC_METHOD1 (int /* bool */, finish_enum_type,
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gcc_type) /* Argument ENUM_TYPE. */
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/* Create a new function type. RETURN_TYPE is the type returned by
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the function, and ARGUMENT_TYPES is a vector, of length NARGS, of
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the argument types. IS_VARARGS is true if the function is
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varargs. */
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GCC_METHOD3 (gcc_type, build_function_type,
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gcc_type, /* Argument RETURN_TYPE. */
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const struct gcc_type_array *, /* Argument ARGUMENT_TYPES. */
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int /* bool */) /* Argument IS_VARARGS. */
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/* Return an integer type with the given properties. */
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GCC_METHOD2 (gcc_type, int_type,
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int /* bool */, /* Argument IS_UNSIGNED. */
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unsigned long) /* Argument SIZE_IN_BYTES. */
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/* Return a floating point type with the given properties. */
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GCC_METHOD1 (gcc_type, float_type,
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unsigned long) /* Argument SIZE_IN_BYTES. */
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/* Return the 'void' type. */
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GCC_METHOD0 (gcc_type, void_type)
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/* Return the 'bool' type. */
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GCC_METHOD0 (gcc_type, bool_type)
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/* Create a new array type. If NUM_ELEMENTS is -1, then the array
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is assumed to have an unknown length. */
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GCC_METHOD2 (gcc_type, build_array_type,
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gcc_type, /* Argument ELEMENT_TYPE. */
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int) /* Argument NUM_ELEMENTS. */
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/* Create a new variably-sized array type. UPPER_BOUND_NAME is the
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name of a local variable that holds the upper bound of the array;
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it is one less than the array size. */
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GCC_METHOD2 (gcc_type, build_vla_array_type,
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gcc_type, /* Argument ELEMENT_TYPE. */
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const char *) /* Argument UPPER_BOUND_NAME. */
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/* Return a qualified variant of a given base type. QUALIFIERS says
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which qualifiers to use; it is composed of or'd together
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constants from 'enum gcc_qualifiers'. */
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GCC_METHOD2 (gcc_type, build_qualified_type,
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gcc_type, /* Argument UNQUALIFIED_TYPE. */
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enum gcc_qualifiers) /* Argument QUALIFIERS. */
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/* Build a complex type given its element type. */
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GCC_METHOD1 (gcc_type, build_complex_type,
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gcc_type) /* Argument ELEMENT_TYPE. */
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/* Build a vector type given its element type and number of
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elements. */
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GCC_METHOD2 (gcc_type, build_vector_type,
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gcc_type, /* Argument ELEMENT_TYPE. */
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int) /* Argument NUM_ELEMENTS. */
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/* Build a constant. NAME is the constant's name and VALUE is its
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value. FILENAME and LINE_NUMBER refer to the type's source
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location. If this is not known, FILENAME can be NULL and
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LINE_NUMBER can be 0. */
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GCC_METHOD5 (int /* bool */, build_constant,
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gcc_type, /* Argument TYPE. */
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const char *, /* Argument NAME. */
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unsigned long, /* Argument VALUE. */
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const char *, /* Argument FILENAME. */
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unsigned int) /* Argument LINE_NUMBER. */
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/* Emit an error and return an error type object. */
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GCC_METHOD1 (gcc_type, error,
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const char *) /* Argument MESSAGE. */
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@ -0,0 +1,220 @@
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/* Interface between GCC C FE and GDB
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Copyright (C) 2014 Free Software Foundation, Inc.
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This file is part of GCC.
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|
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This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
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You should have received a copy of the GNU General Public License
|
||||
along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef GCC_C_INTERFACE_H
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#define GCC_C_INTERFACE_H
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#include "gcc-interface.h"
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/* This header defines the interface to the GCC API. It must be both
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valid C and valid C++, because it is included by both programs. */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Forward declaration. */
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struct gcc_c_context;
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/*
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* Definitions and declarations for the C front end.
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*/
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/* Defined versions of the C front-end API. */
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enum gcc_c_api_version
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{
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GCC_C_FE_VERSION_0 = 0
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};
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/* Qualifiers. */
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enum gcc_qualifiers
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{
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GCC_QUALIFIER_CONST = 1,
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GCC_QUALIFIER_VOLATILE = 2,
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GCC_QUALIFIER_RESTRICT = 4
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};
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/* This enumerates the kinds of decls that GDB can create. */
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enum gcc_c_symbol_kind
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{
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/* A function. */
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GCC_C_SYMBOL_FUNCTION,
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/* A variable. */
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GCC_C_SYMBOL_VARIABLE,
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/* A typedef. */
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GCC_C_SYMBOL_TYPEDEF,
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/* A label. */
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GCC_C_SYMBOL_LABEL
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};
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/* This enumerates the types of symbols that GCC might request from
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GDB. */
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enum gcc_c_oracle_request
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{
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/* An ordinary symbol -- a variable, function, typedef, or enum
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constant. */
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GCC_C_ORACLE_SYMBOL,
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/* A struct, union, or enum tag. */
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GCC_C_ORACLE_TAG,
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/* A label. */
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GCC_C_ORACLE_LABEL
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};
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/* The type of the function called by GCC to ask GDB for a symbol's
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definition. DATUM is an arbitrary value supplied when the oracle
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function is registered. CONTEXT is the GCC context in which the
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request is being made. REQUEST specifies what sort of symbol is
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being requested, and IDENTIFIER is the name of the symbol. */
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typedef void gcc_c_oracle_function (void *datum,
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struct gcc_c_context *context,
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enum gcc_c_oracle_request request,
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const char *identifier);
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/* The type of the function called by GCC to ask GDB for a symbol's
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address. This should return 0 if the address is not known. */
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typedef gcc_address gcc_c_symbol_address_function (void *datum,
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struct gcc_c_context *ctxt,
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const char *identifier);
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/* An array of types used for creating a function type. */
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|
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struct gcc_type_array
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||||
{
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||||
/* Number of elements. */
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||||
|
||||
int n_elements;
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||||
|
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/* The elements. */
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||||
|
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gcc_type *elements;
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||||
};
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||||
|
||||
/* The vtable used by the C front end. */
|
||||
|
||||
struct gcc_c_fe_vtable
|
||||
{
|
||||
/* The version of the C interface. The value is one of the
|
||||
gcc_c_api_version constants. */
|
||||
|
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unsigned int c_version;
|
||||
|
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/* Set the callbacks for this context.
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||||
|
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The binding oracle is called whenever the C parser needs to look
|
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up a symbol. This gives the caller a chance to lazily
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instantiate symbols using other parts of the gcc_c_fe_interface
|
||||
API.
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|
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The address oracle is called whenever the C parser needs to look
|
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up a symbol. This is only called for symbols not provided by the
|
||||
symbol oracle -- that is, just built-in functions where GCC
|
||||
provides the declaration.
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|
||||
DATUM is an arbitrary piece of data that is passed back verbatim
|
||||
to the callbakcs in requests. */
|
||||
|
||||
void (*set_callbacks) (struct gcc_c_context *self,
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||||
gcc_c_oracle_function *binding_oracle,
|
||||
gcc_c_symbol_address_function *address_oracle,
|
||||
void *datum);
|
||||
|
||||
#define GCC_METHOD0(R, N) \
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R (*N) (struct gcc_c_context *);
|
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#define GCC_METHOD1(R, N, A) \
|
||||
R (*N) (struct gcc_c_context *, A);
|
||||
#define GCC_METHOD2(R, N, A, B) \
|
||||
R (*N) (struct gcc_c_context *, A, B);
|
||||
#define GCC_METHOD3(R, N, A, B, C) \
|
||||
R (*N) (struct gcc_c_context *, A, B, C);
|
||||
#define GCC_METHOD4(R, N, A, B, C, D) \
|
||||
R (*N) (struct gcc_c_context *, A, B, C, D);
|
||||
#define GCC_METHOD5(R, N, A, B, C, D, E) \
|
||||
R (*N) (struct gcc_c_context *, A, B, C, D, E);
|
||||
#define GCC_METHOD7(R, N, A, B, C, D, E, F, G) \
|
||||
R (*N) (struct gcc_c_context *, A, B, C, D, E, F, G);
|
||||
|
||||
#include "gcc-c-fe.def"
|
||||
|
||||
#undef GCC_METHOD0
|
||||
#undef GCC_METHOD1
|
||||
#undef GCC_METHOD2
|
||||
#undef GCC_METHOD3
|
||||
#undef GCC_METHOD4
|
||||
#undef GCC_METHOD5
|
||||
#undef GCC_METHOD7
|
||||
|
||||
};
|
||||
|
||||
/* The C front end object. */
|
||||
|
||||
struct gcc_c_context
|
||||
{
|
||||
/* Base class. */
|
||||
|
||||
struct gcc_base_context base;
|
||||
|
||||
/* Our vtable. This is a separate field because this is simpler
|
||||
than implementing a vtable inheritance scheme in C. */
|
||||
|
||||
const struct gcc_c_fe_vtable *c_ops;
|
||||
};
|
||||
|
||||
/* The name of the .so that the compiler builds. We dlopen this
|
||||
later. */
|
||||
|
||||
#define GCC_C_FE_LIBCC libcc1.so
|
||||
|
||||
/* The compiler exports a single initialization function. This macro
|
||||
holds its name as a symbol. */
|
||||
|
||||
#define GCC_C_FE_CONTEXT gcc_c_fe_context
|
||||
|
||||
/* The type of the initialization function. The caller passes in the
|
||||
desired base version and desired C-specific version. If the
|
||||
request can be satisfied, a compatible gcc_context object will be
|
||||
returned. Otherwise, the function returns NULL. */
|
||||
|
||||
typedef struct gcc_c_context *gcc_c_fe_context_function
|
||||
(enum gcc_base_api_version,
|
||||
enum gcc_c_api_version);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* GCC_C_INTERFACE_H */
|
||||
|
|
@ -0,0 +1,127 @@
|
|||
/* Generic interface between GCC and GDB
|
||||
|
||||
Copyright (C) 2014 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GCC.
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
||||
|
||||
#ifndef GCC_INTERFACE_H
|
||||
#define GCC_INTERFACE_H
|
||||
|
||||
/* This header defines the interface to the GCC API. It must be both
|
||||
valid C and valid C++, because it is included by both programs. */
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/* Opaque typedefs for objects passed through the interface. */
|
||||
|
||||
typedef unsigned long long gcc_type;
|
||||
typedef unsigned long long gcc_decl;
|
||||
|
||||
/* An address in the inferior. */
|
||||
|
||||
typedef unsigned long long gcc_address;
|
||||
|
||||
/* Forward declaration. */
|
||||
|
||||
struct gcc_base_context;
|
||||
|
||||
/* Defined versions of the generic API. */
|
||||
|
||||
enum gcc_base_api_version
|
||||
{
|
||||
GCC_FE_VERSION_0 = 0
|
||||
};
|
||||
|
||||
/* The operations defined by the GCC base API. This is the vtable for
|
||||
the real context structure which is passed around.
|
||||
|
||||
The "base" API is concerned with basics shared by all compiler
|
||||
front ends: setting command-line arguments, the file names, etc.
|
||||
|
||||
Front-end-specific interfaces inherit from this one. */
|
||||
|
||||
struct gcc_base_vtable
|
||||
{
|
||||
/* The actual version implemented in this interface. This field can
|
||||
be relied on not to move, so users can always check it if they
|
||||
desire. The value is one of the gcc_base_api_version constants.
|
||||
*/
|
||||
|
||||
unsigned int version;
|
||||
|
||||
/* Set the compiler's command-line options for the next compilation.
|
||||
TRIPLET_REGEXP is a regular expression that is used to match the
|
||||
configury triplet prefix to the compiler.
|
||||
The arguments are copied by GCC. ARGV need not be
|
||||
NULL-terminated. The arguments must be set separately for each
|
||||
compilation; that is, after a compile is requested, the
|
||||
previously-set arguments cannot be reused.
|
||||
|
||||
This returns NULL on success. On failure, returns a malloc()d
|
||||
error message. The caller is responsible for freeing it. */
|
||||
|
||||
char *(*set_arguments) (struct gcc_base_context *self,
|
||||
const char *triplet_regexp,
|
||||
int argc, char **argv);
|
||||
|
||||
/* Set the file name of the program to compile. The string is
|
||||
copied by the method implementation, but the caller must
|
||||
guarantee that the file exists through the compilation. */
|
||||
|
||||
void (*set_source_file) (struct gcc_base_context *self, const char *file);
|
||||
|
||||
/* Set a callback to use for printing error messages. DATUM is
|
||||
passed through to the callback unchanged. */
|
||||
|
||||
void (*set_print_callback) (struct gcc_base_context *self,
|
||||
void (*print_function) (void *datum,
|
||||
const char *message),
|
||||
void *datum);
|
||||
|
||||
/* Perform the compilation. FILENAME is the name of the resulting
|
||||
object file. VERBOSE can be set to cause GCC to print some
|
||||
information as it works. Returns true on success, false on
|
||||
error. */
|
||||
|
||||
int /* bool */ (*compile) (struct gcc_base_context *self,
|
||||
const char *filename,
|
||||
int /* bool */ verbose);
|
||||
|
||||
/* Destroy this object. */
|
||||
|
||||
void (*destroy) (struct gcc_base_context *self);
|
||||
};
|
||||
|
||||
/* The GCC object. */
|
||||
|
||||
struct gcc_base_context
|
||||
{
|
||||
/* The virtual table. */
|
||||
|
||||
const struct gcc_base_vtable *ops;
|
||||
};
|
||||
|
||||
/* The name of the dummy wrapper function generated by gdb. */
|
||||
|
||||
#define GCC_FE_WRAPPER_FUNCTION "_gdb_expr"
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* GCC_INTERFACE_H */
|
||||
Loading…
Reference in New Issue