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[PATCH] tile: provide a tile-specific sotruss-lib.c override
- From: Chris Metcalf <cmetcalf at tilera dot com>
- To: <libc-ports at sourceware dot org>
- Date: Tue, 15 May 2012 16:54:49 -0400
- Subject: [PATCH] tile: provide a tile-specific sotruss-lib.c override
- References: <201205152026.q4FKQc7a028706@s2q-1d.internal.tilera.com> <20120515204433.343132C0A2@topped-with-meat.com>
---
Roland, how does this look? It didn't occur to me that I could
override the whole file with sysdeps, and that obviously was the
point of the HAVE_ARCH_PLTxxx macros, so this makes a lot of sense.
ChangeLog.tile | 4 +++
sysdeps/tile/sotruss-lib.c | 49 ++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 53 insertions(+), 0 deletions(-)
create mode 100644 sysdeps/tile/sotruss-lib.c
diff --git a/ChangeLog.tile b/ChangeLog.tile
index 0541a50..7baf876 100644
--- a/ChangeLog.tile
+++ b/ChangeLog.tile
@@ -0,0 +1,4 @@
+2012-05-15 Chris Metcalf <cmetcalf@tilera.com>
+
+ * sysdeps/tile/sotruss-lib.c: New file.
+
diff --git a/sysdeps/tile/sotruss-lib.c b/sysdeps/tile/sotruss-lib.c
new file mode 100644
index 0000000..6ad99f3
--- /dev/null
+++ b/sysdeps/tile/sotruss-lib.c
@@ -0,0 +1,49 @@
+/* Override generic sotruss-lib.c to define actual functions for tile.
+ 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_tile_gnu_pltenter (ElfW(Sym) *sym __attribute__ ((unused)),
+ unsigned int ndx __attribute__ ((unused)),
+ uintptr_t *refcook, uintptr_t *defcook,
+ La_tile_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_tile_gnu_pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
+ uintptr_t *defcook, const struct La_tile_regs *inregs,
+ struct La_tile_retval *outregs, const char *symname)
+{
+ print_exit (refcook, defcook, symname, outregs->lrv_reg[0]);
+
+ return 0;
+}
--
1.7.1