tests: Add symbol check tests

These use the symbol-check.py script from mesa, and should help to ensure that glvnd doesn't start exposing/hiding new symbols. It's also useful to double check that meson and autotools are doing the same thing.
2019-11-05 16:05:53 -08:00 · 2019-11-05 16:05:53 -08:00 · 3a7aed009c
parent ad2c870ad8
commit 3a7aed009c
21 changed files with 5389 additions and 4 deletions
--- a/Makefile.am
+++ b/Makefile.am
@ -1,6 +1,9 @@
 SUBDIRS = src tests include
 ACLOCAL_AMFLAGS = -I m4
-EXTRA_DIST = autogen.sh README.md
+EXTRA_DIST = \
+	autogen.sh \
+	README.md \
+	bin/symbols-check.py

 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = libglvnd.pc
--- a/bin/symbols-check.py
+++ b/bin/symbols-check.py
@ -0,0 +1,158 @@
+#!/usr/bin/env python
+# encoding=utf-8
+# Copyright © 2018-2019 Intel Corporation
+
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and/or associated documentation files (the
+# "Materials"), to deal in the Materials without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Materials, and to
+# permit persons to whom the Materials are furnished to do so, subject to
+# the following conditions:
+
+# The above copyright notice and this permission notice shall be included
+# unaltered in all copies or substantial portions of the Materials.
+# Any additions, deletions, or changes to the original source files
+# must be clearly indicated in accompanying documentation.
+
+# THE MATERIALS ARE 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
+# MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
+
+import argparse
+import os
+import platform
+import subprocess
+
+# This list contains symbols that _might_ be exported for some platforms
+PLATFORM_SYMBOLS = [
+    '__bss_end__',
+    '__bss_start__',
+    '__bss_start',
+    '__end__',
+    '_bss_end__',
+    '_edata',
+    '_end',
+    '_fini',
+    '_init',
+]
+
+
+def get_symbols(nm, lib):
+    '''
+    List all the (non platform-specific) symbols exported by the library
+    '''
+    symbols = []
+    platform_name = platform.system()
+    output = subprocess.check_output([nm, '-gP', lib],
+                                     stderr=open(os.devnull, 'w')).decode("ascii")
+    for line in output.splitlines():
+        fields = line.split()
+        if len(fields) == 2 or fields[1] == 'U':
+            continue
+        symbol_name = fields[0]
+        if platform_name == 'Linux':
+            if symbol_name in PLATFORM_SYMBOLS:
+                continue
+        elif platform_name == 'Darwin':
+            assert symbol_name[0] == '_'
+            symbol_name = symbol_name[1:]
+        symbols.append(symbol_name)
+
+    return symbols
+
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument('--symbols-file',
+                        action='store',
+                        required=True,
+                        help='path to file containing symbols')
+    parser.add_argument('--lib',
+                        action='store',
+                        required=True,
+                        help='path to library')
+    parser.add_argument('--nm',
+                        action='store',
+                        type=lambda s: s.split()[0],  # autotools may pass "nm -B", but we just want nm
+                        required=True,
+                        help='path to binary (or name in $PATH)')
+    args = parser.parse_args()
+
+    try:
+        lib_symbols = get_symbols(args.nm, args.lib)
+    except:
+        # We can't run this test, but we haven't technically failed it either
+        # Return the GNU "skip" error code
+        exit(77)
+    mandatory_symbols = []
+    optional_symbols = []
+    with open(args.symbols_file) as symbols_file:
+        qualifier_optional = '(optional)'
+        for line in symbols_file.readlines():
+
+            # Strip comments
+            line = line.split('#')[0]
+            line = line.strip()
+            if not line:
+                continue
+
+            # Line format:
+            # [qualifier] symbol
+            qualifier = None
+            symbol = None
+
+            fields = line.split()
+            if len(fields) == 1:
+                symbol = fields[0]
+            elif len(fields) == 2:
+                qualifier = fields[0]
+                symbol = fields[1]
+            else:
+                print(args.symbols_file + ': invalid format: ' + line)
+                exit(1)
+
+            # The only supported qualifier is 'optional', which means the
+            # symbol doesn't have to be exported by the library
+            if qualifier and not qualifier == qualifier_optional:
+                print(args.symbols_file + ': invalid qualifier: ' + qualifier)
+                exit(1)
+
+            if qualifier == qualifier_optional:
+                optional_symbols.append(symbol)
+            else:
+                mandatory_symbols.append(symbol)
+
+    unknown_symbols = []
+    for symbol in lib_symbols:
+        if symbol in mandatory_symbols:
+            continue
+        if symbol in optional_symbols:
+            continue
+        if symbol[:2] == '_Z':
+            # Ignore random C++ symbols
+            #TODO: figure out if there's any way to avoid exporting them in the first place
+            continue
+        unknown_symbols.append(symbol)
+
+    missing_symbols = [
+        sym for sym in mandatory_symbols if sym not in lib_symbols
+    ]
+
+    for symbol in unknown_symbols:
+        print(args.lib + ': unknown symbol exported: ' + symbol)
+
+    for symbol in missing_symbols:
+        print(args.lib + ': missing symbol: ' + symbol)
+
+    if unknown_symbols or missing_symbols:
+        exit(1)
+    exit(0)
+
+
+if __name__ == '__main__':
+    main()
--- a/configure.ac
+++ b/configure.ac
@ -28,6 +28,7 @@ AC_PROG_MAKE_SET
 AC_PROG_LIBTOOL
 AC_PROG_MKDIR_P
 PKG_PROG_PKG_CONFIG
+AC_PROG_NM

 # The tarball from "make dist" already contains all of the generated files. If
 # we're building from that, then we won't need Python.
--- a/src/EGL/Makefile.am
+++ b/src/EGL/Makefile.am
@ -110,5 +110,16 @@ g_egldispatchstubs.h : $(GENERATE_DEPS)
 	$(AM_V_GEN)$(PYTHON) $(GENERATE_DISPATCH_SCRIPT) header $(GENERATE_LIST_FILES) > $@
 endif

+AM_TESTS_ENVIRONMENT = \
+	TOP_SRCDIR='$(top_srcdir)' \
+	TOP_BUILDDIR='$(top_builddir)' \
+	NM='$(NM)' \
+	PYTHON='$(PYTHON)'
+TESTS = egl-symbol-check.sh
+
+EXTRA_DIST = \
+	egl-symbol-check.sh \
+	egl.symbols
+
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = egl.pc
--- a/src/EGL/egl-symbol-check.sh
+++ b/src/EGL/egl-symbol-check.sh
@ -0,0 +1,9 @@
+#!/bin/sh
+
+test "${PYTHON}" = ":" && exit 77
+test "x${NM}" = "x" && exit 77
+
+exec "${PYTHON}" "${TOP_SRCDIR}/bin/symbols-check.py" \
+    --nm "${NM}" \
+    --lib "${TOP_BUILDDIR}/src/EGL/.libs/libEGL.so" \
+    --symbols-file "${TOP_SRCDIR}/src/EGL/egl.symbols"
--- a/src/EGL/egl.symbols
+++ b/src/EGL/egl.symbols
@ -0,0 +1,44 @@
+eglBindAPI
+eglBindTexImage
+eglChooseConfig
+eglClientWaitSync
+eglCopyBuffers
+eglCreateContext
+eglCreateImage
+eglCreatePbufferFromClientBuffer
+eglCreatePbufferSurface
+eglCreatePixmapSurface
+eglCreatePlatformPixmapSurface
+eglCreatePlatformWindowSurface
+eglCreateSync
+eglCreateWindowSurface
+eglDestroyContext
+eglDestroyImage
+eglDestroySurface
+eglDestroySync
+eglGetConfigAttrib
+eglGetConfigs
+eglGetCurrentContext
+eglGetCurrentDisplay
+eglGetCurrentSurface
+eglGetDisplay
+eglGetError
+eglGetPlatformDisplay
+eglGetProcAddress
+eglGetSyncAttrib
+eglInitialize
+eglMakeCurrent
+eglQueryAPI
+eglQueryContext
+eglQueryString
+eglQuerySurface
+eglReleaseTexImage
+eglReleaseThread
+eglSurfaceAttrib
+eglSwapBuffers
+eglSwapInterval
+eglTerminate
+eglWaitClient
+eglWaitGL
+eglWaitNative
+eglWaitSync
--- a/src/GL/Makefile.am
+++ b/src/GL/Makefile.am
@ -54,6 +54,13 @@ g_libglglxwrapper.c : $(glapi_gen_libglglxstubs_deps)
 	$(AM_V_GEN)$(PYTHON) $(PYTHON_FLAGS) $(glapi_gen_libglglxstubs_script) $(glapi_gen_glx_xml) > $@
 endif

+AM_TESTS_ENVIRONMENT = \
+	TOP_SRCDIR='$(top_srcdir)' \
+	TOP_BUILDDIR='$(top_builddir)' \
+	NM='$(NM)' \
+	PYTHON='$(PYTHON)'
+TESTS = gl-symbol-check.sh
+
 libGL_la_CFLAGS = \
 	-I$(top_srcdir)/include

@ -73,3 +80,7 @@ libGL_la_LIBADD += @LIB_DL@

 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = gl.pc
+
+EXTRA_DIST = \
+	gl-symbol-check.sh \
+	gl.symbols
--- a/src/GL/gl-symbol-check.sh
+++ b/src/GL/gl-symbol-check.sh
@ -0,0 +1,9 @@
+#!/bin/sh
+
+test "${PYTHON}" = ":" && exit 77
+test "x${NM}" = "x" && exit 77
+
+exec "${PYTHON}" "${TOP_SRCDIR}/bin/symbols-check.py" \
+    --nm "${NM}" \
+    --lib "${TOP_BUILDDIR}/src/GL/.libs/libGL.so" \
+    --symbols-file "${TOP_SRCDIR}/src/GL/gl.symbols"
--- a/src/GL/gl.symbols
+++ b/src/GL/gl.symbols
--- a/src/GLESv1/Makefile.am
+++ b/src/GLESv1/Makefile.am
@ -27,7 +27,7 @@

 lib_LTLIBRARIES = libGLESv1_CM.la

-libGLESv1_CM_la_SOURCES = 
+libGLESv1_CM_la_SOURCES =
 libGLESv1_CM_la_LDFLAGS = -shared \
 	$(LINKER_FLAG_NO_UNDEFINED) \
 	-version-info 3:0:2
@ -40,3 +40,14 @@ libGLESv1_CM_la_LIBADD = \

 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = glesv1_cm.pc
+
+AM_TESTS_ENVIRONMENT = \
+	TOP_SRCDIR='$(top_srcdir)' \
+	TOP_BUILDDIR='$(top_builddir)' \
+	NM='$(NM)' \
+	PYTHON='$(PYTHON)'
+TESTS = glesv1-symbol-check.sh
+
+EXTRA_DIST = \
+	glesv1-symbol-check.sh \
+	glesv1.symbols
--- a/src/GLESv1/glesv1-symbol-check.sh
+++ b/src/GLESv1/glesv1-symbol-check.sh
@ -0,0 +1,9 @@
+#!/bin/sh
+
+test "${PYTHON}" = ":" && exit 77
+test "x${NM}" = "x" && exit 77
+
+exec "${PYTHON}" "${TOP_SRCDIR}/bin/symbols-check.py" \
+    --nm "${NM}" \
+    --lib "${TOP_BUILDDIR}/src/GLESv1/.libs/libGLESv1_CM.so" \
+    --symbols-file "${TOP_SRCDIR}/src/GLESv1/glesv1.symbols"
--- a/src/GLESv1/glesv1.symbols
+++ b/src/GLESv1/glesv1.symbols
@ -0,0 +1,145 @@
+glActiveTexture
+glAlphaFunc
+glAlphaFuncx
+glBindBuffer
+glBindTexture
+glBlendFunc
+glBufferData
+glBufferSubData
+glClear
+glClearColor
+glClearColorx
+glClearDepthf
+glClearDepthx
+glClearStencil
+glClientActiveTexture
+glClipPlanef
+glClipPlanex
+glColor4f
+glColor4ub
+glColor4x
+glColorMask
+glColorPointer
+glCompressedTexImage2D
+glCompressedTexSubImage2D
+glCopyTexImage2D
+glCopyTexSubImage2D
+glCullFace
+glDeleteBuffers
+glDeleteTextures
+glDepthFunc
+glDepthMask
+glDepthRangef
+glDepthRangex
+glDisable
+glDisableClientState
+glDrawArrays
+glDrawElements
+glEnable
+glEnableClientState
+glFinish
+glFlush
+glFogf
+glFogfv
+glFogx
+glFogxv
+glFrontFace
+glFrustumf
+glFrustumx
+glGenBuffers
+glGenTextures
+glGetBooleanv
+glGetBufferParameteriv
+glGetClipPlanef
+glGetClipPlanex
+glGetError
+glGetFixedv
+glGetFloatv
+glGetIntegerv
+glGetLightfv
+glGetLightxv
+glGetMaterialfv
+glGetMaterialxv
+glGetPointerv
+glGetString
+glGetTexEnvfv
+glGetTexEnviv
+glGetTexEnvxv
+glGetTexParameterfv
+glGetTexParameteriv
+glGetTexParameterxv
+glHint
+glIsBuffer
+glIsEnabled
+glIsTexture
+glLightf
+glLightfv
+glLightModelf
+glLightModelfv
+glLightModelx
+glLightModelxv
+glLightx
+glLightxv
+glLineWidth
+glLineWidthx
+glLoadIdentity
+glLoadMatrixf
+glLoadMatrixx
+glLogicOp
+glMaterialf
+glMaterialfv
+glMaterialx
+glMaterialxv
+glMatrixMode
+glMultiTexCoord4f
+glMultiTexCoord4x
+glMultMatrixf
+glMultMatrixx
+glNormal3f
+glNormal3x
+glNormalPointer
+glOrthof
+glOrthox
+glPixelStorei
+glPointParameterf
+glPointParameterfv
+glPointParameterx
+glPointParameterxv
+glPointSize
+glPointSizePointerOES
+glPointSizex
+glPolygonOffset
+glPolygonOffsetx
+glPopMatrix
+glPushMatrix
+glReadPixels
+glRotatef
+glRotatex
+glSampleCoverage
+glSampleCoveragex
+glScalef
+glScalex
+glScissor
+glShadeModel
+glStencilFunc
+glStencilMask
+glStencilOp
+glTexCoordPointer
+glTexEnvf
+glTexEnvfv
+glTexEnvi
+glTexEnviv
+glTexEnvx
+glTexEnvxv
+glTexImage2D
+glTexParameterf
+glTexParameterfv
+glTexParameteri
+glTexParameteriv
+glTexParameterx
+glTexParameterxv
+glTexSubImage2D
+glTranslatef
+glTranslatex
+glVertexPointer
+glViewport
--- a/src/GLESv2/Makefile.am
+++ b/src/GLESv2/Makefile.am
@ -27,7 +27,7 @@

 lib_LTLIBRARIES = libGLESv2.la

-libGLESv2_la_SOURCES = 
+libGLESv2_la_SOURCES =
 libGLESv2_la_LDFLAGS = -shared \
 	$(LINKER_FLAG_NO_UNDEFINED) \
 	-version-info 3:0:1
@ -40,3 +40,14 @@ libGLESv2_la_LIBADD = \

 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = glesv2.pc
+
+AM_TESTS_ENVIRONMENT = \
+	TOP_SRCDIR='$(top_srcdir)' \
+	TOP_BUILDDIR='$(top_builddir)' \
+	NM='$(NM)' \
+	PYTHON='$(PYTHON)'
+TESTS = glesv2-symbol-check.sh
+
+EXTRA_DIST = \
+	glesv2-symbol-check.sh \
+	glesv2.symbols
--- a/src/GLESv2/glesv2-symbol-check.sh
+++ b/src/GLESv2/glesv2-symbol-check.sh
@ -0,0 +1,9 @@
+#!/bin/sh
+
+test "${PYTHON}" = ":" && exit 77
+test "x${NM}" = "x" && exit 77
+
+exec "${PYTHON}" "${TOP_SRCDIR}/bin/symbols-check.py" \
+    --nm "${NM}" \
+    --lib "${TOP_BUILDDIR}/src/GLESv2/.libs/libGLESv2.so" \
+    --symbols-file "${TOP_SRCDIR}/src/GLESv2/glesv2.symbols"
--- a/src/GLESv2/glesv2.symbols
+++ b/src/GLESv2/glesv2.symbols
@ -0,0 +1,358 @@
+glActiveShaderProgram
+glActiveTexture
+glAttachShader
+glBeginQuery
+glBeginTransformFeedback
+glBindAttribLocation
+glBindBuffer
+glBindBufferBase
+glBindBufferRange
+glBindFramebuffer
+glBindImageTexture
+glBindProgramPipeline
+glBindRenderbuffer
+glBindSampler
+glBindTexture
+glBindTransformFeedback
+glBindVertexArray
+glBindVertexBuffer
+glBlendBarrier
+glBlendColor
+glBlendEquation
+glBlendEquationi
+glBlendEquationSeparate
+glBlendEquationSeparatei
+glBlendFunc
+glBlendFunci
+glBlendFuncSeparate
+glBlendFuncSeparatei
+glBlitFramebuffer
+glBufferData
+glBufferSubData
+glCheckFramebufferStatus
+glClear
+glClearBufferfi
+glClearBufferfv
+glClearBufferiv
+glClearBufferuiv
+glClearColor
+glClearDepthf
+glClearStencil
+glClientWaitSync
+glColorMask
+glColorMaski
+glCompileShader
+glCompressedTexImage2D
+glCompressedTexImage3D
+glCompressedTexSubImage2D
+glCompressedTexSubImage3D
+glCopyBufferSubData
+glCopyImageSubData
+glCopyTexImage2D
+glCopyTexSubImage2D
+glCopyTexSubImage3D
+glCreateProgram
+glCreateShader
+glCreateShaderProgramv
+glCullFace
+glDebugMessageCallback
+glDebugMessageControl
+glDebugMessageInsert
+glDeleteBuffers
+glDeleteFramebuffers
+glDeleteProgram
+glDeleteProgramPipelines
+glDeleteQueries
+glDeleteRenderbuffers
+glDeleteSamplers
+glDeleteShader
+glDeleteSync
+glDeleteTextures
+glDeleteTransformFeedbacks
+glDeleteVertexArrays
+glDepthFunc
+glDepthMask
+glDepthRangef
+glDetachShader
+glDisable
+glDisablei
+glDisableVertexAttribArray
+glDispatchCompute
+glDispatchComputeIndirect
+glDrawArrays
+glDrawArraysIndirect
+glDrawArraysInstanced
+glDrawBuffers
+glDrawElements
+glDrawElementsBaseVertex
+glDrawElementsIndirect
+glDrawElementsInstanced
+glDrawElementsInstancedBaseVertex
+glDrawRangeElements
+glDrawRangeElementsBaseVertex
+glEnable
+glEnablei
+glEnableVertexAttribArray
+glEndQuery
+glEndTransformFeedback
+glFenceSync
+glFinish
+glFlush
+glFlushMappedBufferRange
+glFramebufferParameteri
+glFramebufferRenderbuffer
+glFramebufferTexture
+glFramebufferTexture2D
+glFramebufferTextureLayer
+glFrontFace
+glGenBuffers
+glGenerateMipmap
+glGenFramebuffers
+glGenProgramPipelines
+glGenQueries
+glGenRenderbuffers
+glGenSamplers
+glGenTextures
+glGenTransformFeedbacks
+glGenVertexArrays
+glGetActiveAttrib
+glGetActiveUniform
+glGetActiveUniformBlockiv
+glGetActiveUniformBlockName
+glGetActiveUniformsiv
+glGetAttachedShaders
+glGetAttribLocation
+glGetBooleani_v
+glGetBooleanv
+glGetBufferParameteri64v
+glGetBufferParameteriv
+glGetBufferPointerv
+glGetDebugMessageLog
+glGetError
+glGetFloatv
+glGetFragDataLocation
+glGetFramebufferAttachmentParameteriv
+glGetFramebufferParameteriv
+glGetGraphicsResetStatus
+glGetInteger64i_v
+glGetInteger64v
+glGetIntegeri_v
+glGetIntegerv
+glGetInternalformativ
+glGetMultisamplefv
+glGetnUniformfv
+glGetnUniformiv
+glGetnUniformuiv
+glGetObjectLabel
+glGetObjectPtrLabel
+glGetPointerv
+glGetProgramBinary
+glGetProgramInfoLog
+glGetProgramInterfaceiv
+glGetProgramiv
+glGetProgramPipelineInfoLog
+glGetProgramPipelineiv
+glGetProgramResourceIndex
+glGetProgramResourceiv
+glGetProgramResourceLocation
+glGetProgramResourceName
+glGetQueryiv
+glGetQueryObjectuiv
+glGetRenderbufferParameteriv
+glGetSamplerParameterfv
+glGetSamplerParameterIiv
+glGetSamplerParameterIuiv
+glGetSamplerParameteriv
+glGetShaderInfoLog
+glGetShaderiv
+glGetShaderPrecisionFormat
+glGetShaderSource
+glGetString
+glGetStringi
+glGetSynciv
+glGetTexLevelParameterfv
+glGetTexLevelParameteriv
+glGetTexParameterfv
+glGetTexParameterIiv
+glGetTexParameterIuiv
+glGetTexParameteriv
+glGetTransformFeedbackVarying
+glGetUniformBlockIndex
+glGetUniformfv
+glGetUniformIndices
+glGetUniformiv
+glGetUniformLocation
+glGetUniformuiv
+glGetVertexAttribfv
+glGetVertexAttribIiv
+glGetVertexAttribIuiv
+glGetVertexAttribiv
+glGetVertexAttribPointerv
+glHint
+glInvalidateFramebuffer
+glInvalidateSubFramebuffer
+glIsBuffer
+glIsEnabled
+glIsEnabledi
+glIsFramebuffer
+glIsProgram
+glIsProgramPipeline
+glIsQuery
+glIsRenderbuffer
+glIsSampler
+glIsShader
+glIsSync
+glIsTexture
+glIsTransformFeedback
+glIsVertexArray
+glLineWidth
+glLinkProgram
+glMapBufferRange
+glMemoryBarrier
+glMemoryBarrierByRegion
+glMinSampleShading
+glObjectLabel
+glObjectPtrLabel
+glPatchParameteri
+glPauseTransformFeedback
+glPixelStorei
+glPolygonOffset
+glPopDebugGroup
+glPrimitiveBoundingBox
+glProgramBinary
+glProgramParameteri
+glProgramUniform1f
+glProgramUniform1fv
+glProgramUniform1i
+glProgramUniform1iv
+glProgramUniform1ui
+glProgramUniform1uiv
+glProgramUniform2f
+glProgramUniform2fv
+glProgramUniform2i
+glProgramUniform2iv
+glProgramUniform2ui
+glProgramUniform2uiv
+glProgramUniform3f
+glProgramUniform3fv
+glProgramUniform3i
+glProgramUniform3iv
+glProgramUniform3ui
+glProgramUniform3uiv
+glProgramUniform4f
+glProgramUniform4fv
+glProgramUniform4i
+glProgramUniform4iv
+glProgramUniform4ui
+glProgramUniform4uiv
+glProgramUniformMatrix2fv
+glProgramUniformMatrix2x3fv
+glProgramUniformMatrix2x4fv
+glProgramUniformMatrix3fv
+glProgramUniformMatrix3x2fv
+glProgramUniformMatrix3x4fv
+glProgramUniformMatrix4fv
+glProgramUniformMatrix4x2fv
+glProgramUniformMatrix4x3fv
+glPushDebugGroup
+glReadBuffer
+glReadnPixels
+glReadPixels
+glReleaseShaderCompiler
+glRenderbufferStorage
+glRenderbufferStorageMultisample
+glResumeTransformFeedback
+glSampleCoverage
+glSampleMaski
+glSamplerParameterf
+glSamplerParameterfv
+glSamplerParameteri
+glSamplerParameterIiv
+glSamplerParameterIuiv
+glSamplerParameteriv
+glScissor
+glShaderBinary
+glShaderSource
+glStencilFunc
+glStencilFuncSeparate
+glStencilMask
+glStencilMaskSeparate
+glStencilOp
+glStencilOpSeparate
+glTexBuffer
+glTexBufferRange
+glTexImage2D
+glTexImage3D
+glTexParameterf
+glTexParameterfv
+glTexParameteri
+glTexParameterIiv
+glTexParameterIuiv
+glTexParameteriv
+glTexStorage2D
+glTexStorage2DMultisample
+glTexStorage3D
+glTexStorage3DMultisample
+glTexSubImage2D
+glTexSubImage3D
+glTransformFeedbackVaryings
+glUniform1f
+glUniform1fv
+glUniform1i
+glUniform1iv
+glUniform1ui
+glUniform1uiv
+glUniform2f
+glUniform2fv
+glUniform2i
+glUniform2iv
+glUniform2ui
+glUniform2uiv
+glUniform3f
+glUniform3fv
+glUniform3i
+glUniform3iv
+glUniform3ui
+glUniform3uiv
+glUniform4f
+glUniform4fv
+glUniform4i
+glUniform4iv
+glUniform4ui
+glUniform4uiv
+glUniformBlockBinding
+glUniformMatrix2fv
+glUniformMatrix2x3fv
+glUniformMatrix2x4fv
+glUniformMatrix3fv
+glUniformMatrix3x2fv
+glUniformMatrix3x4fv
+glUniformMatrix4fv
+glUniformMatrix4x2fv
+glUniformMatrix4x3fv
+glUnmapBuffer
+glUseProgram
+glUseProgramStages
+glValidateProgram
+glValidateProgramPipeline
+glVertexAttrib1f
+glVertexAttrib1fv
+glVertexAttrib2f
+glVertexAttrib2fv
+glVertexAttrib3f
+glVertexAttrib3fv
+glVertexAttrib4f
+glVertexAttrib4fv
+glVertexAttribBinding
+glVertexAttribDivisor
+glVertexAttribFormat
+glVertexAttribI4i
+glVertexAttribI4iv
+glVertexAttribI4ui
+glVertexAttribI4uiv
+glVertexAttribIFormat
+glVertexAttribIPointer
+glVertexAttribPointer
+glVertexBindingDivisor
+glViewport
+glWaitSync
--- a/src/GLX/Makefile.am
+++ b/src/GLX/Makefile.am
@ -83,3 +83,14 @@ libGLX_la_SOURCES = \

 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = glx.pc
+
+AM_TESTS_ENVIRONMENT = \
+	TOP_SRCDIR='$(top_srcdir)' \
+	TOP_BUILDDIR='$(top_builddir)' \
+	NM='$(NM)' \
+	PYTHON='$(PYTHON)'
+TESTS = glx-symbol-check.sh
+
+EXTRA_DIST += \
+	glx-symbol-check.sh \
+	glx.symbols
--- a/src/GLX/glx-symbol-check.sh
+++ b/src/GLX/glx-symbol-check.sh
@ -0,0 +1,9 @@
+#!/bin/sh
+
+test "${PYTHON}" = ":" && exit 77
+test "x${NM}" = "x" && exit 77
+
+exec "${PYTHON}" "${TOP_SRCDIR}/bin/symbols-check.py" \
+    --nm "${NM}" \
+    --lib "${TOP_BUILDDIR}/src/GLX/.libs/libGLX.so" \
+    --symbols-file "${TOP_SRCDIR}/src/GLX/glx.symbols"
--- a/src/GLX/glx.symbols
+++ b/src/GLX/glx.symbols
@ -0,0 +1,42 @@
+glXChooseFBConfig
+glXChooseVisual
+glXCopyContext
+glXCreateContext
+glXCreateGLXPixmap
+glXCreateNewContext
+glXCreatePbuffer
+glXCreatePixmap
+glXCreateWindow
+glXDestroyContext
+glXDestroyGLXPixmap
+glXDestroyPbuffer
+glXDestroyPixmap
+glXDestroyWindow
+glXGetClientString
+glXGetConfig
+glXGetCurrentContext
+glXGetCurrentDisplay
+glXGetCurrentDrawable
+glXGetCurrentReadDrawable
+glXGetFBConfigAttrib
+glXGetFBConfigs
+glXGetProcAddress
+glXGetProcAddressARB
+glXGetSelectedEvent
+glXGetVisualFromFBConfig
+__GLXGL_CORE_FUNCTIONS
+__glXGLLoadGLXFunction
+glXIsDirect
+glXMakeContextCurrent
+glXMakeCurrent
+glXQueryContext
+glXQueryDrawable
+glXQueryExtension
+glXQueryExtensionsString
+glXQueryServerString
+glXQueryVersion
+glXSelectEvent
+glXSwapBuffers
+glXUseXFont
+glXWaitGL
+glXWaitX
--- a/src/OpenGL/Makefile.am
+++ b/src/OpenGL/Makefile.am
@ -36,7 +36,7 @@ libopengl_main_la_CFLAGS = \

 lib_LTLIBRARIES = libOpenGL.la

-libOpenGL_la_SOURCES = 
+libOpenGL_la_SOURCES =
 libOpenGL_la_LDFLAGS = -shared \
 	$(LINKER_FLAG_NO_UNDEFINED) \
 	-version-info 0
@ -49,3 +49,14 @@ libOpenGL_la_LIBADD = \

 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = opengl.pc
+
+AM_TESTS_ENVIRONMENT = \
+	TOP_SRCDIR='$(top_srcdir)' \
+	TOP_BUILDDIR='$(top_builddir)' \
+	NM='$(NM)' \
+	PYTHON='$(PYTHON)'
+TESTS = ogl-symbol-check.sh
+
+EXTRA_DIST = \
+	ogl-symbol-check.sh \
+	ogl.symbols
--- a/src/OpenGL/ogl-symbol-check.sh
+++ b/src/OpenGL/ogl-symbol-check.sh
@ -0,0 +1,9 @@
+#!/bin/sh
+
+test "${PYTHON}" = ":" && exit 77
+test "x${NM}" = "x" && exit 77
+
+exec "${PYTHON}" "${TOP_SRCDIR}/bin/symbols-check.py" \
+    --nm "${NM}" \
+    --lib "${TOP_BUILDDIR}/src/OpenGL/.libs/libOpenGL.so" \
+    --symbols-file "${TOP_SRCDIR}/src/OpenGL/ogl.symbols"
--- a/src/OpenGL/ogl.symbols
+++ b/src/OpenGL/ogl.symbols