From 3caf446e29a3934900b9983dfd72cb8aa0d9e8d7 Mon Sep 17 00:00:00 2001
From: Sven Gothel <sgothel@jausoft.com>
Date: Fri, 30 Jan 2015 20:50:02 +0100
Subject: Bug 1122: Reflect __LP64__ and _aarch64__ in GlueGen's stdint/stddef
 and Android compilerflags

---
 make/gluegen-cpptasks-base.xml                     |  9 +++++
 make/lib/gluegen-cpptasks-android-aarch64.xml      | 44 +++++++++++++++-------
 make/lib/gluegen-cpptasks-android-armv6.xml        | 40 +++++++++++++++-----
 make/lib/gluegen-cpptasks-android-armv7.xml        |  1 +
 make/stub_includes/platform/glibc-compat-symbols.h |  8 +++-
 make/stub_includes/platform/gluegen_stddef.h       |  2 +-
 make/stub_includes/platform/gluegen_stdint.h       |  2 +-
 7 files changed, 80 insertions(+), 26 deletions(-)

diff --git a/make/gluegen-cpptasks-base.xml b/make/gluegen-cpptasks-base.xml
index e896fc0..58c539c 100755
--- a/make/gluegen-cpptasks-base.xml
+++ b/make/gluegen-cpptasks-base.xml
@@ -986,6 +986,8 @@
       <compilerarg value="-fPIC"/>
       <compilerarg value="-m64"/>
       <defineset>
+        <define name="__LP64__" />     <!-- default pre-defined macro for 64bit unix -->
+
         <define name="__unix__"/>
         <define name="__X11__"  if="isX11"/>
         <define name="_DEBUG"   if="c.compiler.use-debug"/>        
@@ -1015,6 +1017,9 @@
 
     <compiler id="compiler.cfg.linux.aarch64" name="${gcc.compat.compiler}">
       <defineset>
+        <define name="__LP64__" />     <!-- default pre-defined macro for 64bit unix -->
+        <define name="__aarch64__" />  <!-- default pre-defined macro for armv8-a, 64bit -->
+
         <define name="__unix__"/>
         <define name="__X11__"  if="isX11"/>
         <define name="_DEBUG"   if="c.compiler.use-debug"/>        
@@ -1104,6 +1109,8 @@
       <!-- compilerarg value="-xarch=amd64" / --> 
       <!-- compilerarg value="-xcache=64/64/2:1024/64/16" / --> 
       <defineset> 
+        <define name="__LP64__" />     <!-- default pre-defined macro for 64bit unix -->
+
         <define name="__unix__"/>
         <define name="__X11__"  if="isX11"/>
         <define name="_DEBUG"   if="c.compiler.use-debug"/>
@@ -1170,6 +1177,8 @@
       <compilerarg value="-O0" if="c.compiler.use-debug"/> 
       <compilerarg value="-O2" unless="c.compiler.use-debug"/>
       <defineset>
+        <define name="__LP64__" />     <!-- default pre-defined macro for 64bit unix -->
+
         <define name="_DEBUG"   if="c.compiler.use-debug"/>        
         <define name="DEBUG"    if="c.compiler.use-debug"/>        
         <define name="NDEBUG"   unless="c.compiler.use-debug"/>        
diff --git a/make/lib/gluegen-cpptasks-android-aarch64.xml b/make/lib/gluegen-cpptasks-android-aarch64.xml
index 7096ecc..fcf2875 100644
--- a/make/lib/gluegen-cpptasks-android-aarch64.xml
+++ b/make/lib/gluegen-cpptasks-android-aarch64.xml
@@ -41,25 +41,34 @@
         NOTE: This is not necessary if using '$TARGET_TRIPLE-gcc' from $NDK_TOOLCHAIN_ROOT/bin. -->
       <compilerarg value="-B${env.NDK_TOOLCHAIN_ROOT}/libexec/gcc/${env.TARGET_TRIPLE}/${env.GCC_VERSION}" />
 
+      <compilerarg value="-fpic" /> 
+      <!-- compilerarg value="-fPIE" / -->  <!-- not for shared libs, won't produce symbols -->
+      <!-- compilerarg value="-pie" / -->   <!-- not for shared libs, won't produce symbols -->
       <compilerarg value="-ffunction-sections" />
       <compilerarg value="-funwind-tables" />
       <compilerarg value="-fstack-protector" />
-      <compilerarg value="-fpic" /> 
+      <!-- compilerarg value="-no-canonical-prefixes" / --> <!-- will disallow creating shared library -->
+      <compilerarg value="-Wa,--noexecstack" /> 
 
-      <compilerarg value="-mabi=lp64" />
+
+      <!-- compilerarg value="-mabi=lp64" />
       <compilerarg value="-mlittle-endian" />
-      <compilerarg value="-march=armv8-a" />
+      <compilerarg value="-march=armv8-a" / -->
       <!-- compilerarg value="-mfloat-abi=softfp" / -->
 
-      <compilerarg value="-g" if="c.compiler.use-debug" />
-      <compilerarg value="-O0" if="c.compiler.use-debug" />
-      <compilerarg value="-Os" unless="c.compiler.use-debug" /> 
-      <!--<compilerarg value="-O2" /> -->
+      <!-- Generic ARM Flags -->
+      <compilerarg value="-O2"                  unless="c.compiler.use-debug" /> 
+      <!-- compilerarg value="-g"                   unless="c.compiler.use-debug" / -->
+      <compilerarg value="-fomit-frame-pointer" unless="c.compiler.use-debug"/> 
+      <compilerarg value="-fstrict-aliasing"    unless="c.compiler.use-debug"/> 
+      <compilerarg value="-funswitch-loops"     unless="c.compiler.use-debug"/> 
+      <compilerarg value="-finline-limit=300"   unless="c.compiler.use-debug"/> 
+
+      <compilerarg value="-O0"                     if="c.compiler.use-debug" />
+      <compilerarg value="-g"                      if="c.compiler.use-debug" />
+      <compilerarg value="-fno-omit-frame-pointer" if="c.compiler.use-debug" /> 
+      <compilerarg value="-fno-strict-aliasing"    if="c.compiler.use-debug" /> 
 
-      <compilerarg value="-fomit-frame-pointer" /> 
-      <compilerarg value="-fno-strict-aliasing" /> 
-      <!-- compilerarg value="-finline-limit=64" /--> 
-      <compilerarg value="-Wa,--noexecstack" /> 
       <includepath path="${env.NDK_TOOLCHAIN_ROOT}/lib/gcc/${env.TARGET_TRIPLE}/${env.GCC_VERSION}/include" /> <!-- for stdarg.h -->
       <defineset>
         <define name="__unix__" />
@@ -67,6 +76,9 @@
         <define name="__ARM_ARCH_5T__" />
         <define name="__ARM_ARCH_5E__" />
         <define name="__ARM_ARCH_5TE__" / -->
+        <define name="__LP64__" />     <!-- default pre-defined macro for 64bit unix -->
+        <define name="__aarch64__" />  <!-- default pre-defined macro for armv8-a, 64bit -->
+
         <define name="ANDROID" />
         <define name="_DEBUG"   if="c.compiler.use-debug"/>        
         <define name="DEBUG"    if="c.compiler.use-debug"/>        
@@ -76,12 +88,17 @@
 
     <linker id="linker.cfg.android" name="gcc">
          <linkerarg value="--sysroot=${env.TARGET_PLATFORM_ROOT}" />
+
          <linkerarg value="-fpic" /> 
+         <!-- linkerarg value="-fPIE" / --> <!-- not for shared libs, won't produce symbols -->
+         <!-- linkerarg value="-pie" / -->  <!-- not for shared libs, won't produce symbols -->
+         <!-- linkerarg value="-no-canonical-prefixes" / --> <!-- will disallow creating shared library -->
+
          <linkerarg value="-fno-use-linker-plugin" /> 
 
-         <linkerarg value="-mabi=lp64" />
+         <!-- linkerarg value="-mabi=lp64" />
          <linkerarg value="-mlittle-endian" />
-         <linkerarg value="-march=armv8-a" />
+         <linkerarg value="-march=armv8-a" / -->
          <!-- linkerarg value="-mfloat-abi=softfp" / -->
 
          <linkerarg value="-nostdlib" />
@@ -99,6 +116,7 @@
            enforce that libgcc is linked after source files but before other shared
            libraries. -->
          <libset dir="${env.NDK_TOOLCHAIN_ROOT}/lib/gcc/${env.TARGET_TRIPLE}/${env.GCC_VERSION}" libs="gcc" />
+         <!-- libset libs="c,m,dl,log" / -->
          <libset libs="c,m,dl" />
     </linker>
 
diff --git a/make/lib/gluegen-cpptasks-android-armv6.xml b/make/lib/gluegen-cpptasks-android-armv6.xml
index 733f623..bcb3f53 100644
--- a/make/lib/gluegen-cpptasks-android-armv6.xml
+++ b/make/lib/gluegen-cpptasks-android-armv6.xml
@@ -40,24 +40,38 @@
         NOTE: This is not necessary if using '$TARGET_TRIPLE-gcc' from $NDK_TOOLCHAIN_ROOT/bin. -->
       <compilerarg value="-B${env.NDK_TOOLCHAIN_ROOT}/libexec/gcc/${env.TARGET_TRIPLE}/${env.GCC_VERSION}" />
 
+      <compilerarg value="-fpic" /> 
       <compilerarg value="-ffunction-sections" />
       <compilerarg value="-funwind-tables" />
       <compilerarg value="-fstack-protector" />
-      <compilerarg value="-fpic" /> 
+      <!-- compilerarg value="-no-canonical-prefixes" / --> <!-- will disallow creating shared library -->
+      <compilerarg value="-Wa,--noexecstack" /> 
 
       <compilerarg value="-march=armv6" />
       <compilerarg value="-mfloat-abi=softfp" />
       <compilerarg value="-marm" /> 
 
-      <compilerarg value="-g" if="c.compiler.use-debug" />
-      <compilerarg value="-O0" if="c.compiler.use-debug" />
-      <compilerarg value="-Os" unless="c.compiler.use-debug" /> 
-      <!--<compilerarg value="-O2" /> -->
+      <!-- Generic ARM Flags -->
+      <compilerarg value="-O2"                  unless="c.compiler.use-debug" /> 
+      <!-- compilerarg value="-g"                   unless="c.compiler.use-debug" /-->
+      <compilerarg value="-fomit-frame-pointer" unless="c.compiler.use-debug"/> 
+      <compilerarg value="-fstrict-aliasing"    unless="c.compiler.use-debug"/> 
+      <compilerarg value="-funswitch-loops"     unless="c.compiler.use-debug"/> 
+      <compilerarg value="-finline-limit=300"   unless="c.compiler.use-debug"/> 
+
+      <!-- THUMB Flags ..
+      <compilerarg value="-Os"                  unless="c.compiler.use-debug" /> 
+      <compilerarg value="-g"                   unless="c.compiler.use-debug" />
+      <compilerarg value="-fomit-frame-pointer" unless="c.compiler.use-debug"/> 
+      <compilerarg value="-fno-strict-aliasing" unless="c.compiler.use-debug" /> 
+      <compilerarg value="-finline-limit=64"    unless="c.compiler.use-debug"/> 
+         -->
+
+      <compilerarg value="-O0"                     if="c.compiler.use-debug" />
+      <compilerarg value="-g"                      if="c.compiler.use-debug" />
+      <compilerarg value="-fno-omit-frame-pointer" if="c.compiler.use-debug" /> 
+      <compilerarg value="-fno-strict-aliasing"    if="c.compiler.use-debug" /> 
 
-      <compilerarg value="-fomit-frame-pointer" /> 
-      <compilerarg value="-fno-strict-aliasing" /> 
-      <compilerarg value="-finline-limit=64" /> 
-      <compilerarg value="-Wa,--noexecstack" /> 
       <includepath path="${env.NDK_TOOLCHAIN_ROOT}/lib/gcc/${env.TARGET_TRIPLE}/${env.GCC_VERSION}/include" /> <!-- for stdarg.h -->
       <defineset>
         <define name="__unix__" />
@@ -74,7 +88,14 @@
 
     <linker id="linker.cfg.android" name="gcc">
          <linkerarg value="--sysroot=${env.TARGET_PLATFORM_ROOT}" />
+
          <linkerarg value="-fpic" /> 
+         <linkerarg value="-ffunction-sections" />
+         <linkerarg value="-funwind-tables" />
+         <linkerarg value="-fstack-protector" />
+         <!-- linkerarg value="-no-canonical-prefixes" / --> <!-- will disallow creating shared library -->
+         <linkerarg value="-Wa,--noexecstack" /> 
+
          <linkerarg value="-fno-use-linker-plugin" /> 
 
          <linkerarg value="-march=armv6" />
@@ -96,6 +117,7 @@
            enforce that libgcc is linked after source files but before other shared
            libraries. -->
          <libset dir="${env.NDK_TOOLCHAIN_ROOT}/lib/gcc/${env.TARGET_TRIPLE}/${env.GCC_VERSION}" libs="gcc" />
+         <!-- libset libs="c,m,dl,log" / -->
          <libset libs="c,m,dl" />
     </linker>
 
diff --git a/make/lib/gluegen-cpptasks-android-armv7.xml b/make/lib/gluegen-cpptasks-android-armv7.xml
index d854d4f..d13c190 100644
--- a/make/lib/gluegen-cpptasks-android-armv7.xml
+++ b/make/lib/gluegen-cpptasks-android-armv7.xml
@@ -96,6 +96,7 @@
            enforce that libgcc is linked after source files but before other shared
            libraries. -->
          <libset dir="${env.NDK_TOOLCHAIN_ROOT}/lib/gcc/${env.TARGET_TRIPLE}/${env.GCC_VERSION}/armv7-a" libs="gcc" />
+         <!-- libset libs="c,m,dl,log" / -->
          <libset libs="c,m,dl" />
     </linker>
 
diff --git a/make/stub_includes/platform/glibc-compat-symbols.h b/make/stub_includes/platform/glibc-compat-symbols.h
index 3599b82..1163c78 100644
--- a/make/stub_includes/platform/glibc-compat-symbols.h
+++ b/make/stub_includes/platform/glibc-compat-symbols.h
@@ -17,7 +17,9 @@
  */
 #if defined(__linux__) /* Actually we like to test whether we link against GLIBC .. */
     #if defined(__GNUC__)
-        #if defined(__arm__)
+        #if defined(__aarch64__)
+           #define GLIBC_COMPAT_SYMBOL(FFF) __asm__(".symver " #FFF "," #FFF "@GLIBC_2.4");
+        #elif defined(__arm__)
            #define GLIBC_COMPAT_SYMBOL(FFF) __asm__(".symver " #FFF "," #FFF "@GLIBC_2.4");
         #elif defined(__amd64__)
            #define GLIBC_COMPAT_SYMBOL(FFF) __asm__(".symver " #FFF "," #FFF "@GLIBC_2.2.5");
@@ -25,7 +27,9 @@
            #define GLIBC_COMPAT_SYMBOL(FFF) __asm__(".symver " #FFF "," #FFF "@GLIBC_2.0");
         #endif /*__amd64__*/
     #elif defined(__clang__)
-        #if defined(__arm__)
+        #if defined(__aarch64__)
+           #define GLIBC_COMPAT_SYMBOL(FFF) asm(".symver " #FFF "," #FFF "@GLIBC_2.4");
+        #elif defined(__arm__)
            #define GLIBC_COMPAT_SYMBOL(FFF) asm(".symver " #FFF "," #FFF "@GLIBC_2.4");
         #elif defined(__amd64__)
            #define GLIBC_COMPAT_SYMBOL(FFF) asm(".symver " #FFF "," #FFF "@GLIBC_2.2.5");
diff --git a/make/stub_includes/platform/gluegen_stddef.h b/make/stub_includes/platform/gluegen_stddef.h
index 6272bd1..1500684 100644
--- a/make/stub_includes/platform/gluegen_stddef.h
+++ b/make/stub_includes/platform/gluegen_stddef.h
@@ -15,7 +15,7 @@
 #elif defined(_WIN32)
     typedef          __int32 ptrdiff_t;
     typedef unsigned __int32 size_t;
-#elif defined(__ia64__) || defined(__x86_64__)
+#elif defined(__LP64__) || defined(__ia64__) || defined(__x86_64__) || defined(__aarch64__)
     typedef             long ptrdiff_t;
     typedef unsigned    long size_t;
 #else
diff --git a/make/stub_includes/platform/gluegen_stdint.h b/make/stub_includes/platform/gluegen_stdint.h
index 8b1dbe3..b277817 100644
--- a/make/stub_includes/platform/gluegen_stdint.h
+++ b/make/stub_includes/platform/gluegen_stdint.h
@@ -33,7 +33,7 @@
 
     typedef            __int32  intptr_t;
     typedef unsigned   __int32 uintptr_t;
-#elif defined(__ia64__) || defined(__x86_64__)
+#elif defined(__LP64__) || defined(__ia64__) || defined(__x86_64__) || defined(__aarch64__)
     typedef signed        char   int8_t;
     typedef unsigned      char  uint8_t;
     typedef signed       short  int16_t;
-- 
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