6b13f685e
 김민수
BSP 최초 추가
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Fix build on platforms where __USER_LABEL_PREFIX__ is not empty
On most platforms, a C language symbol and its assembly equivalent are
identical. However, on the Blackfin architecture, this isn't the case,
the corresponding C language symbol in assembly is prepended with a
"_". Blackfin therefore has __USER_LABEL_PREFIX__ defined to "_".
Cairo already has some code to cope with __USER_LABEL_PREFIX__, but
this code isn't completely correct: it prepends both assembly symbols
and C symbols with __USER_LABEL_PREFIX__, which cannot work.
This patch fixes that by using the existing slim_hidden_asmname() to
define assembly symbols, and introduce a new slim_hidden_realname()
for C symbols.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Index: b/src/cairo-compiler-private.h
===================================================================
--- a/src/cairo-compiler-private.h
+++ b/src/cairo-compiler-private.h
@@ -93,12 +93,13 @@
__asm__ (slim_hidden_asmname (internal))
# define slim_hidden_def1(name, internal) \
extern __typeof (name) EXT_##name __asm__(slim_hidden_asmname(name)) \
- __attribute__((__alias__(slim_hidden_asmname(internal))))
+ __attribute__((__alias__(slim_hidden_realname(internal))))
# define slim_hidden_ulp slim_hidden_ulp1(__USER_LABEL_PREFIX__)
# define slim_hidden_ulp1(x) slim_hidden_ulp2(x)
# define slim_hidden_ulp2(x) #x
# define slim_hidden_asmname(name) slim_hidden_asmname1(name)
# define slim_hidden_asmname1(name) slim_hidden_ulp #name
+# define slim_hidden_realname(name) #name
#else
# define slim_hidden_proto(name) int _cairo_dummy_prototype(void)
# define slim_hidden_proto_no_warn(name) int _cairo_dummy_prototype(void)
Index: b/util/cairo-script/cairo-script-private.h
===================================================================
--- a/util/cairo-script/cairo-script-private.h
+++ b/util/cairo-script/cairo-script-private.h
@@ -109,12 +109,13 @@
__asm__ (slim_hidden_asmname (internal))
# define slim_hidden_def1(name, internal) \
extern __typeof (name) EXT_##name __asm__(slim_hidden_asmname(name)) \
- __attribute__((__alias__(slim_hidden_asmname(internal))))
+ __attribute__((__alias__(slim_hidden_realname(internal))))
# define slim_hidden_ulp slim_hidden_ulp1(__USER_LABEL_PREFIX__)
# define slim_hidden_ulp1(x) slim_hidden_ulp2(x)
# define slim_hidden_ulp2(x) #x
# define slim_hidden_asmname(name) slim_hidden_asmname1(name)
# define slim_hidden_asmname1(name) slim_hidden_ulp #name
+# define slim_hidden_realname(name) #name
#else
# define slim_hidden_proto(name) int _csi_dummy_prototype(void)
# define slim_hidden_proto_no_warn(name) int _csi_dummy_prototype(void)
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