* [PATCH roland/arm-sotruss-lib] Add sotruss-lib support for ARM
@ 2012-08-08 22:16 Roland McGrath
2012-08-08 23:26 ` Joseph S. Myers
0 siblings, 1 reply; 2+ messages in thread
From: Roland McGrath @ 2012-08-08 22:16 UTC (permalink / raw)
To: libc-ports
I only did the basic compile test with this.
(I don't even know off hand how to go about testing it for real.)
It solves the #warning at the end of elf/sotruss-lib.c.
I only guessed wildly about the machine-dependent parameter selections,
but they're probably right.
Ok?
Thanks,
Roland
ports/ChangeLog.arm
* sysdeps/arm/sotruss-lib.c: New file.
diff --git a/ports/sysdeps/arm/sotruss-lib.c b/ports/sysdeps/arm/sotruss-lib.c
new file mode 100644
index 0000000..c665a40
--- /dev/null
+++ b/ports/sysdeps/arm/sotruss-lib.c
@@ -0,0 +1,49 @@
+/* Override generic sotruss-lib.c to define actual functions for ARM.
+ Copyright (C) 2012 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#define HAVE_ARCH_PLTENTER
+#define HAVE_ARCH_PLTEXIT
+
+#include <elf/sotruss-lib.c>
+
+ElfW(Addr)
+la_arm_gnu_pltenter (ElfW(Sym) *sym __attribute__ ((unused)),
+ unsigned int ndx __attribute__ ((unused)),
+ uintptr_t *refcook, uintptr_t *defcook,
+ La_arm_regs *regs, unsigned int *flags,
+ const char *symname, long int *framesizep)
+{
+ print_enter (refcook, defcook, symname,
+ regs->lr_reg[0], regs->lr_reg[1], regs->lr_reg[2],
+ *flags);
+
+ /* No need to copy anything, we will not need the parameters in any case. */
+ *framesizep = 0;
+
+ return sym->st_value;
+}
+
+unsigned int
+la_arm_gnu_pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
+ uintptr_t *defcook, const struct La_arm_regs *inregs,
+ struct La_arm_retval *outregs, const char *symname)
+{
+ print_exit (refcook, defcook, symname, outregs->lrv_reg[0]);
+
+ return 0;
+}
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH roland/arm-sotruss-lib] Add sotruss-lib support for ARM
2012-08-08 22:16 [PATCH roland/arm-sotruss-lib] Add sotruss-lib support for ARM Roland McGrath
@ 2012-08-08 23:26 ` Joseph S. Myers
0 siblings, 0 replies; 2+ messages in thread
From: Joseph S. Myers @ 2012-08-08 23:26 UTC (permalink / raw)
To: Roland McGrath; +Cc: libc-ports
On Wed, 8 Aug 2012, Roland McGrath wrote:
> I only did the basic compile test with this.
> (I don't even know off hand how to go about testing it for real.)
> It solves the #warning at the end of elf/sotruss-lib.c.
>
> I only guessed wildly about the machine-dependent parameter selections,
> but they're probably right.
>
> Ok?
OK.
--
Joseph S. Myers
joseph@codesourcery.com
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