Following the visibility changes in libc.so, this patch attempts to hide
private symbols in libm.so.
Reference code size measurements for HTC Passion:
$ arm-eabi-size out/target/product/passion/system/lib/libm.so
[before]
text data bss dec hex filename
88423 256 32 88711 15a87
out/target/product/passion/system/lib/libm.so
[after]
text data bss dec hex filename
87950 256 32 88238 158ae
out/target/product/passion/system/lib/libm.so
Code Review:
https://review.source.android.com/#change,17358
From 331af85e9694c4c9247e39716f97ede1a62ee9ce Mon Sep 17 00:00:00 2001
From: Jim Huang <jim.hu...@linaro.org>
Date: Wed, 20 Apr 2011 05:02:10 +0800
Subject: [PATCH] Hide libm private symbols using GCC visibility pragma
Following the visibility changes in libc.so, this patch attempts to hide
private symbols in libm.so.
Reference code size measurements for HTC Passion:
$ arm-eabi-size out/target/product/passion/system/lib/libm.so
[before]
text data bss dec hex filename
88423 256 32 88711 15a87 out/target/product/passion/system/lib/libm.so
[after]
text data bss dec hex filename
87950 256 32 88238 158ae out/target/product/passion/system/lib/libm.so
Change-Id: I51841a9f5d7b7663b95ebf5c1bd17d1ec9a6c1b6
---
libm/src/math_private.h | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/libm/src/math_private.h b/libm/src/math_private.h
index 5f6e088..8c9f04f 100644
--- a/libm/src/math_private.h
+++ b/libm/src/math_private.h
@@ -20,6 +20,8 @@
#include <sys/types.h>
#include <endian.h>
+#include <sys/cdefs_hidden_push.h>
+
/*
* The original fdlibm code used statements like:
* n0 = ((*(int*)&one)>>29)^1; * index of high word *
@@ -270,4 +272,6 @@ float __kernel_cosdf(double);
float __kernel_tandf(double,int);
int __kernel_rem_pio2f(float*,float*,int,int,int,const int*);
+#include <sys/cdefs_hidden_pop.h>
+
#endif /* !_MATH_PRIVATE_H_ */
--
1.7.4.1
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