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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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36
include/gcc-interface.h
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@ -44,7 +44,10 @@ struct gcc_base_context;
enum gcc_base_api_version
{
GCC_FE_VERSION_0 = 0
GCC_FE_VERSION_0 = 0,
/* Deprecated method compile_v0. Added method set_verbose and compile. */
GCC_FE_VERSION_1 = 1,
};
/* The operations defined by the GCC base API. This is the vtable for
@ -93,18 +96,35 @@ struct gcc_base_vtable
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. */
/* Deprecated GCC_FE_VERSION_0 variant of the GCC_FE_VERSION_1
compile method. GCC_FE_VERSION_0 version verbose parameter has
been replaced by the set_verbose method. */
int /* bool */ (*compile) (struct gcc_base_context *self,
const char *filename,
int /* bool */ verbose);
int /* bool */ (*compile_v0) (struct gcc_base_context *self,
const char *filename,
int /* bool */ verbose);
/* Destroy this object. */
void (*destroy) (struct gcc_base_context *self);
/* VERBOSE can be set to non-zero to cause GCC to print some
information as it works. Calling this method overrides its
possible previous calls.
This method is only available since GCC_FE_VERSION_1. */
void (*set_verbose) (struct gcc_base_context *self,
int /* bool */ verbose);
/* Perform the compilation. FILENAME is the name of the resulting
object file. Either set_triplet_regexp or set_driver_filename must
be called before. Returns true on success, false on error.
This method is only available since GCC_FE_VERSION_1. */
int /* bool */ (*compile) (struct gcc_base_context *self,
const char *filename);
};
/* The GCC object. */