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elf.h (SUBTARGET_DRIVER_SELF_SPECS): New macro.

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* config/bfin/elf.h (SUBTARGET_DRIVER_SELF_SPECS): New macro.
	* doc/invoke.texi (Blackfin Options): Document the effects.

From-SVN: r130464
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Bernd Schmidt 2007-11-27 12:22:18 +00:00 committed by Bernd Schmidt
parent ce41114b00
commit 28bbc96787
3 changed files with 13 additions and 0 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2007-11-27 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/elf.h (SUBTARGET_DRIVER_SELF_SPECS): New macro.
* doc/invoke.texi (Blackfin Options): Document the effects.
2007-11-27 Ben Elliston <bje@au.ibm.com>
* config/rs6000/sysv4.opt (m32): Add Negative(m64).

4
gcc/config/bfin/elf.h
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@ -30,4 +30,8 @@ asm ("P3 = [SP + 20];\n\tcall " USER_LABEL_PREFIX #FUNC ";"); \
asm (TEXT_SECTION_ASM_OP);
#endif
#undef SUBTARGET_DRIVER_SELF_SPECS
#define SUBTARGET_DRIVER_SELF_SPECS \
"%{mfdpic:-msim} %{mid-shared-library:-msim}"
#define NO_IMPLICIT_EXTERN_C

4
gcc/doc/invoke.texi
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@ -8668,6 +8668,8 @@ provided by libgloss to be linked in if @option{-msim} is not given.
Specifies that the program will be run on the simulator. This causes
the simulator BSP provided by libgloss to be linked in. This option
has effect only for @samp{bfin-elf} toolchain.
Certain other options, such as @option{-mid-shared-library} and
@option{-mfdpic}, imply @option{-msim}.
@item -momit-leaf-frame-pointer
@opindex momit-leaf-frame-pointer
@ -8717,6 +8719,7 @@ uClinux kernel.
Generate code that supports shared libraries via the library ID method.
This allows for execute in place and shared libraries in an environment
without virtual memory management. This option implies @option{-fPIC}.
With a @samp{bfin-elf} target, this option implies @option{-msim}.
@item -mno-id-shared-library
@opindex mno-id-shared-library
@ -9642,6 +9645,7 @@ implies @option{-fPIE}. With @option{-fpic} or @option{-fpie}, it
assumes GOT entries and small data are within a 12-bit range from the
GOT base address; with @option{-fPIC} or @option{-fPIE}, GOT offsets
are computed with 32 bits.
With a @samp{bfin-elf} target, this option implies @option{-msim}.
@item -minline-plt
@opindex minline-plt