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compile: set debug compile: Display GCC driver filename

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As discussed in
	How to use compile & execute function in GDB
	https://sourceware.org/ml/gdb/2015-04/msg00026.html

GDB currently searches for compilers on /usr/bin/ARCH-OS-gcc and
chooses a match from there.  However, it is not currently possible for
the user to display which compiler was selected.  Up until now, GDB's
compiler interface was not up-to-date with GCC's one, which means that
it wasn't possible to obtain this information.  This patch implements
the mechanisms necessary for that.

gdb/ChangeLog
2017-08-23  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* compile/compile.c (compile_to_object): Conditionally call
	set_verbose.  Conditionally call compile or compile_v0.

include/ChangeLog
2017-08-23  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* gcc-interface.h (enum gcc_base_api_version): Add
	GCC_FE_VERSION_1.
	(struct gcc_base_vtable): Rename compile to compile_v0.  Update
	comment for compile.  New methods set_verbose and compile.
This commit is contained in:
Jan Kratochvil
2017-02-21 13:32:55 -08:00
committed by Sergio Durigan Junior
parent f6a36b0c9e
commit e68c32d53e
4 changed files with 49 additions and 10 deletions
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11
gdb/compile/compile.c
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@ -516,6 +516,9 @@ compile_to_object (struct command_line *cmd, const char *cmd_string,
get_args (compiler, gdbarch, &argc, &argv);
gdb_argv argv_holder (argv);
if (compiler->fe->ops->version >= GCC_FE_VERSION_1)
compiler->fe->ops->set_verbose (compiler->fe, compile_debug);
error_message = compiler->fe->ops->set_arguments (compiler->fe, triplet_rx,
argc, argv);
if (error_message != NULL)
@ -556,8 +559,12 @@ compile_to_object (struct command_line *cmd, const char *cmd_string,
/* Call the compiler and start the compilation process. */
compiler->fe->ops->set_source_file (compiler->fe, fnames.source_file ());
if (!compiler->fe->ops->compile (compiler->fe, fnames.object_file (),
compile_debug))
if (compiler->fe->ops->version >= GCC_FE_VERSION_1)
ok = compiler->fe->ops->compile (compiler->fe, fnames.object_file ());
else
ok = compiler->fe->ops->compile_v0 (compiler->fe, fnames.object_file (),
compile_debug);
if (!ok)
error (_("Compilation failed."));
if (compile_debug)