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-rw-r--r--py/nlrx64.S4
-rw-r--r--unix/Makefile9
-rw-r--r--unix/order.def1
-rw-r--r--unix/seg_helpers.c38
4 files changed, 50 insertions, 2 deletions
diff --git a/py/nlrx64.S b/py/nlrx64.S
index 55cb4d7960..baed6cabd6 100644
--- a/py/nlrx64.S
+++ b/py/nlrx64.S
@@ -32,6 +32,10 @@
#if !defined(__CYGWIN__)
+#if (defined(__APPLE__) && defined(__MACH__))
+#define nlr_jump_fail _nlr_jump_fail
+#endif // (defined(__APPLE__) && defined(__MACH__))
+
/* uint nlr_push(rdi=nlr_buf_t *nlr) */
#if !(defined(__APPLE__) && defined(__MACH__))
.globl nlr_push
diff --git a/unix/Makefile b/unix/Makefile
index 05cdfb5b39..ba2180fe58 100644
--- a/unix/Makefile
+++ b/unix/Makefile
@@ -19,8 +19,8 @@ CFLAGS = $(INC) -Wall -Werror -ansi -std=gnu99 -DUNIX $(CFLAGS_MOD) $(COPT)
UNAME_S := $(shell uname -s)
ifeq ($(UNAME_S),Darwin)
- LDFLAGS = $(LDFLAGS_MOD) -lm -Wl,-map,$@.map
-else
+ LDFLAGS = $(LDFLAGS_MOD) -lm -Wl,-map,$@.map,-order_file,order.def
+ else
LDFLAGS = $(LDFLAGS_MOD) -lm -Wl,-Map=$@.map,--cref
endif
@@ -70,6 +70,11 @@ SRC_C = \
modsocket.c \
$(SRC_MOD)
+# Must be the last file
+ifeq ($(UNAME_S),Darwin)
+SRC_C += seg_helpers.c
+endif
+
OBJ = $(PY_O) $(addprefix $(BUILD)/, $(SRC_C:.c=.o))
include ../py/mkrules.mk
diff --git a/unix/order.def b/unix/order.def
new file mode 100644
index 0000000000..34a4fea3e6
--- /dev/null
+++ b/unix/order.def
@@ -0,0 +1 @@
+seg_helpers.o: ___bss_start
diff --git a/unix/seg_helpers.c b/unix/seg_helpers.c
new file mode 100644
index 0000000000..1684f7a8f8
--- /dev/null
+++ b/unix/seg_helpers.c
@@ -0,0 +1,38 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2013, 2014 Damien P. George
+ *
+ * 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 a stub used to create the symbols __bss_start and _end in a Mach-O object file.
+ Thoses are needed by the GC, and should point to the start and end of the bss section.
+ We reach this goal by linking this file last (putting _end at the end...), and using an
+ order file (order.def) to move __bss_start at the start of bss.
+
+ TODO: Some pragma to do it inline ?
+*/
+
+char __bss_start = 0;
+char _end = 0;
+