/* The library used by gdb.
- Copyright (C) 2014-2018 Free Software Foundation, Inc.
+ Copyright (C) 2014-2023 Free Software Foundation, Inc.
This file is part of GCC.
#include <errno.h>
#include <sys/stat.h>
#include <stdlib.h>
-#include <sstream>
-#include "marshall-c.hh"
+#include "marshall.hh"
#include "rpc.hh"
#include "connection.hh"
#include "names.hh"
#include "callbacks.hh"
#include "libiberty.h"
-#include "xregex.h"
-#include "findcomp.hh"
#include "compiler-name.hh"
-#include "intl.h"
-
-struct libcc1;
-
-class libcc1_connection;
+#include "gcc-c-interface.h"
+#include "compiler.hh"
+#include "gdbctx.hh"
// The C compiler context that we hand back to our caller.
-struct libcc1 : public gcc_c_context
+struct libcc1 : public cc1_plugin::base_gdb_plugin<gcc_c_context>
{
- libcc1 (const gcc_base_vtable *, const gcc_c_fe_vtable *);
- ~libcc1 ();
-
- // A convenience function to print something.
- void print (const char *str)
- {
- this->print_function (this->print_datum, str);
- }
-
- libcc1_connection *connection;
-
- gcc_c_oracle_function *binding_oracle;
- gcc_c_symbol_address_function *address_oracle;
- void *oracle_datum;
-
- void (*print_function) (void *datum, const char *message);
- void *print_datum;
-
- std::vector<std::string> args;
- std::string source_file;
-
- /* Non-zero as an equivalent to gcc driver option "-v". */
- bool verbose;
+ explicit libcc1 (const gcc_c_fe_vtable *);
- /* Compiler to set by set_triplet_regexp or set_driver_filename. */
- class compiler
- {
- protected:
- libcc1 *self_;
- public:
- compiler (libcc1 *self) : self_ (self)
- {
- }
- virtual char *find (std::string &compiler) const;
- virtual ~compiler ()
- {
- }
- } *compilerp;
-
- /* Compiler to set by set_triplet_regexp. */
- class compiler_triplet_regexp : public compiler
- {
- private:
- std::string triplet_regexp_;
- public:
- virtual char *find (std::string &compiler) const;
- compiler_triplet_regexp (libcc1 *self, std::string triplet_regexp)
- : compiler (self), triplet_regexp_ (triplet_regexp)
- {
- }
- virtual ~compiler_triplet_regexp ()
- {
- }
- };
+ void add_callbacks () override;
- /* Compiler to set by set_driver_filename. */
- class compiler_driver_filename : public compiler
- {
- private:
- std::string driver_filename_;
- public:
- virtual char *find (std::string &compiler) const;
- compiler_driver_filename (libcc1 *self, std::string driver_filename)
- : compiler (self), driver_filename_ (driver_filename)
- {
- }
- virtual ~compiler_driver_filename ()
- {
- }
- };
+ gcc_c_oracle_function *binding_oracle = nullptr;
+ gcc_c_symbol_address_function *address_oracle = nullptr;
+ void *oracle_datum = nullptr;
};
-// A local subclass of connection that holds a back-pointer to the
-// gcc_c_context object that we provide to our caller.
-class libcc1_connection : public cc1_plugin::connection
+libcc1::libcc1 (const gcc_c_fe_vtable *cv)
+ : cc1_plugin::base_gdb_plugin<gcc_c_context> ("libcc1plugin",
+ C_COMPILER_NAME,
+ GCC_C_FE_VERSION_1)
{
-public:
-
- libcc1_connection (int fd, int aux_fd, libcc1 *b)
- : connection (fd, aux_fd),
- back_ptr (b)
- {
- }
-
- virtual void print (const char *buf)
- {
- back_ptr->print (buf);
- }
-
- libcc1 *back_ptr;
-};
-
-libcc1::libcc1 (const gcc_base_vtable *v,
- const gcc_c_fe_vtable *cv)
- : connection (NULL),
- binding_oracle (NULL),
- address_oracle (NULL),
- oracle_datum (NULL),
- print_function (NULL),
- print_datum (NULL),
- args (),
- source_file (),
- verbose (false),
- compilerp (new libcc1::compiler (this))
-{
- base.ops = v;
c_ops = cv;
}
-libcc1::~libcc1 ()
-{
- delete connection;
- delete compilerp;
-}
-
\f
// Enclose these functions in an anonymous namespace because they
enum gcc_c_oracle_request request,
const char *identifier)
{
- libcc1 *self = ((libcc1_connection *) conn)->back_ptr;
+ libcc1 *self = (libcc1 *) (((libcc1::local_connection *) conn)->back_ptr);
self->binding_oracle (self->oracle_datum, self, request, identifier);
return 1;
gcc_address
c_call_symbol_address (cc1_plugin::connection *conn, const char *identifier)
{
- libcc1 *self = ((libcc1_connection *) conn)->back_ptr;
+ libcc1 *self = (libcc1 *) (((libcc1::local_connection *) conn)->back_ptr);
return self->address_oracle (self->oracle_datum, self, identifier);
}
self->oracle_datum = datum;
}
-// Instances of these rpc<> template functions are installed into the
-// "c_vtable". These functions are parameterized by type and method
-// name and forward the call via the connection.
-
-template<typename R, const char *&NAME>
-R rpc (struct gcc_c_context *s)
-{
- libcc1 *self = (libcc1 *) s;
- R result;
-
- if (!cc1_plugin::call (self->connection, NAME, &result))
- return 0;
- return result;
-}
-
-template<typename R, const char *&NAME, typename A>
-R rpc (struct gcc_c_context *s, A arg)
-{
- libcc1 *self = (libcc1 *) s;
- R result;
-
- if (!cc1_plugin::call (self->connection, NAME, &result, arg))
- return 0;
- return result;
-}
-
-template<typename R, const char *&NAME, typename A1, typename A2>
-R rpc (struct gcc_c_context *s, A1 arg1, A2 arg2)
-{
- libcc1 *self = (libcc1 *) s;
- R result;
-
- if (!cc1_plugin::call (self->connection, NAME, &result, arg1, arg2))
- return 0;
- return result;
-}
-
-template<typename R, const char *&NAME, typename A1, typename A2, typename A3>
-R rpc (struct gcc_c_context *s, A1 arg1, A2 arg2, A3 arg3)
-{
- libcc1 *self = (libcc1 *) s;
- R result;
-
- if (!cc1_plugin::call (self->connection, NAME, &result, arg1, arg2, arg3))
- return 0;
- return result;
-}
-
-template<typename R, const char *&NAME, typename A1, typename A2, typename A3,
- typename A4>
-R rpc (struct gcc_c_context *s, A1 arg1, A2 arg2, A3 arg3, A4 arg4)
-{
- libcc1 *self = (libcc1 *) s;
- R result;
-
- if (!cc1_plugin::call (self->connection, NAME, &result, arg1, arg2, arg3,
- arg4))
- return 0;
- return result;
-}
-
-template<typename R, const char *&NAME, typename A1, typename A2, typename A3,
- typename A4, typename A5>
-R rpc (struct gcc_c_context *s, A1 arg1, A2 arg2, A3 arg3, A4 arg4, A5 arg5)
-{
- libcc1 *self = (libcc1 *) s;
- R result;
-
- if (!cc1_plugin::call (self->connection, NAME, &result, arg1, arg2, arg3,
- arg4, arg5))
- return 0;
- return result;
-}
-
-template<typename R, const char *&NAME, typename A1, typename A2, typename A3,
- typename A4, typename A5, typename A6, typename A7>
-R rpc (struct gcc_c_context *s, A1 arg1, A2 arg2, A3 arg3, A4 arg4, A5 arg5,
- A6 arg6, A7 arg7)
-{
- libcc1 *self = (libcc1 *) s;
- R result;
-
- if (!cc1_plugin::call (self->connection, NAME, &result, arg1, arg2, arg3,
- arg4, arg5, arg6, arg7))
- return 0;
- return result;
-}
-
static const struct gcc_c_fe_vtable c_vtable =
{
GCC_C_FE_VERSION_0,
set_callbacks,
#define GCC_METHOD0(R, N) \
- rpc<R, cc1_plugin::c::N>,
+ cc1_plugin::rpc<gcc_c_context, R, cc1_plugin::c::N>,
#define GCC_METHOD1(R, N, A) \
- rpc<R, cc1_plugin::c::N, A>,
+ cc1_plugin::rpc<gcc_c_context, R, cc1_plugin::c::N, A>,
#define GCC_METHOD2(R, N, A, B) \
- rpc<R, cc1_plugin::c::N, A, B>,
+ cc1_plugin::rpc<gcc_c_context, R, cc1_plugin::c::N, A, B>,
#define GCC_METHOD3(R, N, A, B, C) \
- rpc<R, cc1_plugin::c::N, A, B, C>,
+ cc1_plugin::rpc<gcc_c_context, R, cc1_plugin::c::N, A, B, C>,
#define GCC_METHOD4(R, N, A, B, C, D) \
- rpc<R, cc1_plugin::c::N, A, B, C, D>,
+ cc1_plugin::rpc<gcc_c_context, R, cc1_plugin::c::N, A, B, C, D>,
#define GCC_METHOD5(R, N, A, B, C, D, E) \
- rpc<R, cc1_plugin::c::N, A, B, C, D, E>,
+ cc1_plugin::rpc<gcc_c_context, R, cc1_plugin::c::N, A, B, C, D, E>,
#define GCC_METHOD7(R, N, A, B, C, D, E, F, G) \
- rpc<R, cc1_plugin::c::N, A, B, C, D, E, F, G>,
+ cc1_plugin::rpc<gcc_c_context, R, cc1_plugin::c::N, A, B, C, D, E, F, G>,
#include "gcc-c-fe.def"
\f
-// Construct an appropriate regexp to match the compiler name.
-static std::string
-make_regexp (const char *triplet_regexp, const char *compiler)
-{
- std::stringstream buf;
-
- buf << "^" << triplet_regexp << "-";
-
- // Quote the compiler name in case it has something funny in it.
- for (const char *p = compiler; *p; ++p)
- {
- switch (*p)
- {
- case '.':
- case '^':
- case '$':
- case '*':
- case '+':
- case '?':
- case '(':
- case ')':
- case '[':
- case '{':
- case '\\':
- case '|':
- buf << '\\';
- break;
- }
- buf << *p;
- }
- buf << "$";
-
- return buf.str ();
-}
-
-static void
-libcc1_set_verbose (struct gcc_base_context *s, int /* bool */ verbose)
-{
- libcc1 *self = (libcc1 *) s;
-
- self->verbose = verbose != 0;
-}
-
-char *
-libcc1::compiler::find (std::string &compiler ATTRIBUTE_UNUSED) const
-{
- return xstrdup (_("Compiler has not been specified"));
-}
-
-char *
-libcc1::compiler_triplet_regexp::find (std::string &compiler) const
+void
+libcc1::add_callbacks ()
{
- std::string rx = make_regexp (triplet_regexp_.c_str (), C_COMPILER_NAME);
- if (self_->verbose)
- fprintf (stderr, _("searching for compiler matching regex %s\n"),
- rx.c_str());
- regex_t triplet;
- int code = regcomp (&triplet, rx.c_str (), REG_EXTENDED | REG_NOSUB);
- if (code != 0)
- {
- size_t len = regerror (code, &triplet, NULL, 0);
- char err[len];
-
- regerror (code, &triplet, err, len);
-
- return concat ("Could not compile regexp \"",
- rx.c_str (),
- "\": ",
- err,
- (char *) NULL);
- }
-
- if (!find_compiler (triplet, &compiler))
- {
- regfree (&triplet);
- return concat ("Could not find a compiler matching \"",
- rx.c_str (),
- "\"",
- (char *) NULL);
- }
- regfree (&triplet);
- if (self_->verbose)
- fprintf (stderr, _("found compiler %s\n"), compiler.c_str());
- return NULL;
-}
-
-char *
-libcc1::compiler_driver_filename::find (std::string &compiler) const
-{
- // Simulate fnotice by fprintf.
- if (self_->verbose)
- fprintf (stderr, _("using explicit compiler filename %s\n"),
- driver_filename_.c_str());
- compiler = driver_filename_;
- return NULL;
-}
-
-static char *
-libcc1_set_arguments (struct gcc_base_context *s,
- int argc, char **argv)
-{
- libcc1 *self = (libcc1 *) s;
-
- std::string compiler;
- char *errmsg = self->compilerp->find (compiler);
- if (errmsg != NULL)
- return errmsg;
-
- self->args.push_back (compiler);
-
- for (int i = 0; i < argc; ++i)
- self->args.push_back (argv[i]);
-
- return NULL;
-}
-
-static char *
-libcc1_set_triplet_regexp (struct gcc_base_context *s,
- const char *triplet_regexp)
-{
- libcc1 *self = (libcc1 *) s;
-
- delete self->compilerp;
- self->compilerp = new libcc1::compiler_triplet_regexp (self, triplet_regexp);
- return NULL;
-}
-
-static char *
-libcc1_set_driver_filename (struct gcc_base_context *s,
- const char *driver_filename)
-{
- libcc1 *self = (libcc1 *) s;
-
- delete self->compilerp;
- self->compilerp = new libcc1::compiler_driver_filename (self,
- driver_filename);
- return NULL;
-}
-
-static char *
-libcc1_set_arguments_v0 (struct gcc_base_context *s,
- const char *triplet_regexp,
- int argc, char **argv)
-{
- char *errmsg = libcc1_set_triplet_regexp (s, triplet_regexp);
- if (errmsg != NULL)
- return errmsg;
-
- return libcc1_set_arguments (s, argc, argv);
-}
-
-static void
-libcc1_set_source_file (struct gcc_base_context *s,
- const char *file)
-{
- libcc1 *self = (libcc1 *) s;
-
- self->source_file = file;
-}
-
-static void
-libcc1_set_print_callback (struct gcc_base_context *s,
- void (*print_function) (void *datum,
- const char *message),
- void *datum)
-{
- libcc1 *self = (libcc1 *) s;
-
- self->print_function = print_function;
- self->print_datum = datum;
-}
-
-static int
-fork_exec (libcc1 *self, char **argv, int spair_fds[2], int stderr_fds[2])
-{
- pid_t child_pid = fork ();
-
- if (child_pid == -1)
- {
- close (spair_fds[0]);
- close (spair_fds[1]);
- close (stderr_fds[0]);
- close (stderr_fds[1]);
- return 0;
- }
-
- if (child_pid == 0)
- {
- // Child.
- dup2 (stderr_fds[1], 1);
- dup2 (stderr_fds[1], 2);
- close (stderr_fds[0]);
- close (stderr_fds[1]);
- close (spair_fds[0]);
-
- execvp (argv[0], argv);
- _exit (127);
- }
- else
- {
- // Parent.
- close (spair_fds[1]);
- close (stderr_fds[1]);
-
- cc1_plugin::status result = cc1_plugin::FAIL;
- if (self->connection->send ('H')
- && ::cc1_plugin::marshall (self->connection, GCC_C_FE_VERSION_1))
- result = self->connection->wait_for_query ();
-
- close (spair_fds[0]);
- close (stderr_fds[0]);
-
- while (true)
- {
- int status;
-
- if (waitpid (child_pid, &status, 0) == -1)
- {
- if (errno != EINTR)
- return 0;
- }
-
- if (!WIFEXITED (status) || WEXITSTATUS (status) != 0)
- return 0;
- break;
- }
-
- if (!result)
- return 0;
- return 1;
- }
-}
-
-static int
-libcc1_compile (struct gcc_base_context *s,
- const char *filename)
-{
- libcc1 *self = (libcc1 *) s;
-
- int fds[2];
- if (socketpair (AF_UNIX, SOCK_STREAM, 0, fds) != 0)
- {
- self->print ("could not create socketpair\n");
- return 0;
- }
-
- int stderr_fds[2];
- if (pipe (stderr_fds) != 0)
- {
- self->print ("could not create pipe\n");
- close (fds[0]);
- close (fds[1]);
- return 0;
- }
-
- self->args.push_back ("-fplugin=libcc1plugin");
- char buf[100];
- if (snprintf (buf, sizeof (buf), "-fplugin-arg-libcc1plugin-fd=%d", fds[1])
- >= (long) sizeof (buf))
- abort ();
- self->args.push_back (buf);
-
- self->args.push_back (self->source_file);
- self->args.push_back ("-c");
- self->args.push_back ("-o");
- self->args.push_back (filename);
- if (self->verbose)
- self->args.push_back ("-v");
-
- self->connection = new libcc1_connection (fds[0], stderr_fds[0], self);
-
cc1_plugin::callback_ftype *fun
- = cc1_plugin::callback<int,
- enum gcc_c_oracle_request,
- const char *,
- c_call_binding_oracle>;
- self->connection->add_callback ("binding_oracle", fun);
-
- fun = cc1_plugin::callback<gcc_address,
- const char *,
- c_call_symbol_address>;
- self->connection->add_callback ("address_oracle", fun);
+ = cc1_plugin::invoker<int,
+ enum gcc_c_oracle_request,
+ const char *>::invoke<c_call_binding_oracle>;
+ connection->add_callback ("binding_oracle", fun);
- char **argv = new (std::nothrow) char *[self->args.size () + 1];
- if (argv == NULL)
- return 0;
-
- for (unsigned int i = 0; i < self->args.size (); ++i)
- argv[i] = const_cast<char *> (self->args[i].c_str ());
- argv[self->args.size ()] = NULL;
-
- return fork_exec (self, argv, fds, stderr_fds);
-}
-
-static int
-libcc1_compile_v0 (struct gcc_base_context *s, const char *filename,
- int verbose)
-{
- libcc1_set_verbose (s, verbose);
- return libcc1_compile (s, filename);
+ fun = cc1_plugin::invoker<gcc_address,
+ const char *>::invoke<c_call_symbol_address>;
+ connection->add_callback ("address_oracle", fun);
}
-static void
-libcc1_destroy (struct gcc_base_context *s)
-{
- libcc1 *self = (libcc1 *) s;
-
- delete self;
-}
-
-static const struct gcc_base_vtable vtable =
-{
- GCC_FE_VERSION_1,
- libcc1_set_arguments_v0,
- libcc1_set_source_file,
- libcc1_set_print_callback,
- libcc1_compile_v0,
- libcc1_destroy,
- libcc1_set_verbose,
- libcc1_compile,
- libcc1_set_arguments,
- libcc1_set_triplet_regexp,
- libcc1_set_driver_filename,
-};
-
extern "C" gcc_c_fe_context_function gcc_c_fe_context;
#ifdef __GNUC__
|| (c_version != GCC_C_FE_VERSION_0 && c_version != GCC_C_FE_VERSION_1))
return NULL;
- return new libcc1 (&vtable, &c_vtable);
+ return new libcc1 (&c_vtable);
}
projects / thirdparty / gcc.git / blobdiff