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RTEMS: Fix GCC specification

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The use of -nostdlib and -nodefaultlibs disables the processing of
LIB_SPEC (%L) as specified by LINK_COMMAND_SPEC and thus disables the
default linker script for RTEMS.  Move the linker script to
STARTFILE_SPEC which is controlled by -nostdlib and -nostartfiles.  This
fits better since the linker script defines the platform start file
provided by the board support package in RTEMS.

gcc/

	* config/rtems.h (STARTFILE_SPEC): Remove nostdlib and
	nostartfiles handling since this is already done by
	LINK_COMMAND_SPEC.  Evaluate qnolinkcmds.
	(ENDFILE_SPEC): Remove nostdlib and nostartfiles handling since this
	is already done by LINK_COMMAND_SPEC.
	(LIB_SPECS): Remove nostdlib and nodefaultlibs handling since
	this is already done by LINK_COMMAND_SPEC.  Remove qnolinkcmds
	evaluation.
This commit is contained in:
Sebastian Huber 2021-01-22 12:45:49 +01:00
parent b7a0507ad9
commit 28229916e1
1 changed files with 3 additions and 5 deletions
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8
gcc/config/rtems.h
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@ -36,11 +36,11 @@
*/
#undef STARTFILE_SPEC
#define STARTFILE_SPEC "%{!qrtems:crt0%O%s} " \
"%{qrtems:%{!nostdlib:%{!nostartfiles:" RTEMS_STARTFILE_SPEC "}}}"
"%{qrtems:" RTEMS_STARTFILE_SPEC " %{!qnolinkcmds:-T linkcmds%s}}"
#undef ENDFILE_SPEC
#define ENDFILE_SPEC \
"%{qrtems:%{!nostdlib:%{!nostartfiles:" RTEMS_ENDFILE_SPEC "}}}"
"%{qrtems:" RTEMS_ENDFILE_SPEC "}"
/*
* Some targets do not set up LIB_SPECS, override it, here.
@ -49,9 +49,7 @@
#undef LIB_SPEC
#define LIB_SPEC "%{!qrtems:" STD_LIB_SPEC "} " \
"%{qrtems:%{!nostdlib:%{!nodefaultlibs:" \
"--start-group -lrtemsbsp -lrtemscpu -latomic -lc -lgcc --end-group} " \
"%{!qnolinkcmds:-T linkcmds%s}}}"
"%{qrtems:--start-group -lrtemsbsp -lrtemscpu -latomic -lc -lgcc --end-group}"
#define TARGET_POSIX_IO