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authorNicolas Schodet2010-07-11 17:24:33 +0200
committerNicolas Schodet2010-08-20 00:18:22 +0200
commit78c56e40601f9a4e14eb6ea17a1f2ae4e28133f8 (patch)
treee4b411eeca9e0478c493eef50f86ff8a53f5f87b /AT91SAM7S256
parent5c0e26fb7be7d1e268462221c30998ddb2223580 (diff)
gcc: add errno stub
Diffstat (limited to 'AT91SAM7S256')
-rw-r--r--AT91SAM7S256/SAM7S256/gcc/Makefile2
-rw-r--r--AT91SAM7S256/SAM7S256/gcc/lib/errno.c32
2 files changed, 34 insertions, 0 deletions
diff --git a/AT91SAM7S256/SAM7S256/gcc/Makefile b/AT91SAM7S256/SAM7S256/gcc/Makefile
index 4d58f99..e377da8 100644
--- a/AT91SAM7S256/SAM7S256/gcc/Makefile
+++ b/AT91SAM7S256/SAM7S256/gcc/Makefile
@@ -11,6 +11,7 @@ THUMB_SOURCES = c_button.c c_cmd.c c_comm.c c_display.c c_input.c c_ioctrl.c \
d_ioctrl.c d_loader.c d_lowspeed.c d_output.c d_sound.c \
d_timer.c d_usb.c \
m_sched.c \
+ errno.c \
Cstartup_SAM7.c
ASM_ARM_SOURCE = Cstartup.S
@@ -18,6 +19,7 @@ ASM_THUMB_SOURCE =
vpath %.c $(SRCDIR)
vpath %.c $(CPUINCDIR)
+vpath %.c lib
vpath %.S $(CPUINCDIR)
INCLUDES =
diff --git a/AT91SAM7S256/SAM7S256/gcc/lib/errno.c b/AT91SAM7S256/SAM7S256/gcc/lib/errno.c
new file mode 100644
index 0000000..3eb52ac
--- /dev/null
+++ b/AT91SAM7S256/SAM7S256/gcc/lib/errno.c
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2010 Nicolas Schodet
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+/* This is needed for libm. Provide a non thread safe errno. */
+
+static int __the_errno;
+
+int *
+__errno (void)
+{
+ return &__the_errno;
+}
+