svn merge ^/branches/released .

1 files changed, 335 insertions, 334 deletions

diff --git a/mesalib/src/mapi/glapi/gen/gl_x86-64_asm.py b/mesalib/src/mapi/glapi/gen/gl_x86-64_asm.py
index f4f392c30..11cd9af40 100644
--- a/mesalib/src/mapi/glapi/gen/gl_x86-64_asm.py
+++ b/mesalib/src/mapi/glapi/gen/gl_x86-64_asm.py
@@ -1,334 +1,335 @@
-#!/usr/bin/env python

-

-# (C) Copyright IBM Corporation 2005

-# All Rights Reserved.

-#

-# 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

-# on the rights to use, copy, modify, merge, publish, distribute, sub

-# license, 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 (including the next

-# paragraph) 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 NON-INFRINGEMENT.  IN NO EVENT SHALL

-# IBM AND/OR ITS SUPPLIERS 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.

-#

-# Authors:

-#    Ian Romanick <idr@us.ibm.com>

-

-import license

-import gl_XML, glX_XML

-import sys, getopt, copy

-

-def should_use_push(registers):

-	for [reg, offset] in registers:

-		if reg[1:4] == "xmm":

-			return 0

-

-	N = len(registers)

-	return (N & 1) != 0

-

-

-def local_size(registers):

-	# The x86-64 ABI says "the value (%rsp - 8) is always a multiple of

-	# 16 when control is transfered to the function entry point."  This

-	# means that the local stack usage must be (16*N)+8 for some value

-	# of N.  (16*N)+8 = (8*(2N))+8 = 8*(2N+1).  As long as N is odd, we

-	# meet this requirement.

-

-	N = (len(registers) | 1)

-	return 8*N

-

-

-def save_all_regs(registers):

-	adjust_stack = 0

-	if not should_use_push(registers):

-		adjust_stack = local_size(registers)

-		print '\tsubq\t$%u, %%rsp' % (adjust_stack)

-

-	for [reg, stack_offset] in registers:

-		save_reg( reg, stack_offset, adjust_stack )

-	return

-

-

-def restore_all_regs(registers):

-	adjust_stack = 0

-	if not should_use_push(registers):

-		adjust_stack = local_size(registers)

-

-	temp = copy.deepcopy(registers)

-	while len(temp):

-		[reg, stack_offset] = temp.pop()

-		restore_reg(reg, stack_offset, adjust_stack)

-

-	if adjust_stack:

-		print '\taddq\t$%u, %%rsp' % (adjust_stack)

-	return

-

-

-def save_reg(reg, offset, use_move):

-	if use_move:

-		if offset == 0:

-			print '\tmovq\t%s, (%%rsp)' % (reg)

-		else:

-			print '\tmovq\t%s, %u(%%rsp)' % (reg, offset)

-	else:

-		print '\tpushq\t%s' % (reg)

-

-	return

-

-

-def restore_reg(reg, offset, use_move):

-	if use_move:

-		if offset == 0:

-			print '\tmovq\t(%%rsp), %s' % (reg)

-		else:

-			print '\tmovq\t%u(%%rsp), %s' % (offset, reg)

-	else:

-		print '\tpopq\t%s' % (reg)

-

-	return

-

-

-class PrintGenericStubs(gl_XML.gl_print_base):

-

-	def __init__(self):

-		gl_XML.gl_print_base.__init__(self)

-

-		self.name = "gl_x86-64_asm.py (from Mesa)"

-		self.license = license.bsd_license_template % ("(C) Copyright IBM Corporation 2005", "IBM")

-		return

-

-

-	def get_stack_size(self, f):

-		size = 0

-		for p in f.parameterIterator():

-			size += p.get_stack_size()

-

-		return size

-

-

-	def printRealHeader(self):

-		print "/* If we build with gcc's -fvisibility=hidden flag, we'll need to change"

-		print " * the symbol visibility mode to 'default'."

-		print ' */'

-		print ''

-		print '#include "x86/assyntax.h"'

-		print ''

-		print '#ifdef __GNUC__'

-		print '#  pragma GCC visibility push(default)'

-		print '#  define HIDDEN(x) .hidden x'

-		print '#else'

-		print '#  define HIDDEN(x)'

-		print '#endif'

-		print ''

-		print '# if defined(USE_MGL_NAMESPACE)'

-		print '#  define GL_PREFIX(n) GLNAME(CONCAT(mgl,n))'

-		print '#  define _glapi_Dispatch _mglapi_Dispatch'

-		print '# else'

-		print '#  define GL_PREFIX(n) GLNAME(CONCAT(gl,n))'

-		print '# endif'

-		print ''

-		print '#if defined(PTHREADS) || defined(WIN32) || defined(BEOS_THREADS)'

-		print '#  define THREADS'

-		print '#endif'

-		print ''

-		print '\t.text'

-		print ''

-		print '#ifdef GLX_USE_TLS'

-		print ''

-		print '\t.globl _x86_64_get_get_dispatch; HIDDEN(_x86_64_get_get_dispatch)'

-		print '_x86_64_get_get_dispatch:'

-		print '\tlea\t_x86_64_get_dispatch(%rip), %rax'

-		print '\tret'

-		print ''

-		print '\t.p2align\t4,,15'

-		print '_x86_64_get_dispatch:'

-		print '\tmovq\t_glapi_tls_Dispatch@GOTTPOFF(%rip), %rax'

-		print '\tmovq\t%fs:(%rax), %rax'

-		print '\tret'

-		print '\t.size\t_x86_64_get_dispatch, .-_x86_64_get_dispatch'

-		print ''

-		print '#elif defined(PTHREADS)'

-		print ''

-		print '\t.extern\t_glapi_Dispatch'

-		print '\t.extern\t_gl_DispatchTSD'

-		print '\t.extern\tpthread_getspecific'

-		print ''

-		print '\t.p2align\t4,,15'

-		print '_x86_64_get_dispatch:'

-		print '\tmovq\t_gl_DispatchTSD(%rip), %rdi'

-		print '\tjmp\tpthread_getspecific@PLT'

-		print ''

-		print '#elif defined(THREADS)'

-		print ''

-		print '\t.extern\t_glapi_get_dispatch'

-		print ''

-		print '#endif'

-		print ''

-		return

-

-

-	def printRealFooter(self):

-		print ''

-		print '#if defined(GLX_USE_TLS) && defined(__linux__)'

-		print '	.section ".note.ABI-tag", "a"'

-		print '	.p2align 2'

-		print '	.long	1f - 0f   /* name length */'

-		print '	.long	3f - 2f   /* data length */'

-		print '	.long	1         /* note length */'

-		print '0:	.asciz "GNU"      /* vendor name */'

-		print '1:	.p2align 2'

-		print '2:	.long	0         /* note data: the ABI tag */'

-		print '	.long	2,4,20    /* Minimum kernel version w/TLS */'

-		print '3:	.p2align 2        /* pad out section */'

-		print '#endif /* GLX_USE_TLS */'

-		print ''

-		print '#if defined (__ELF__) && defined (__linux__)'

-		print '	.section .note.GNU-stack,"",%progbits'

-		print '#endif'

-		return

-

-

-	def printFunction(self, f):

-		

-		# The x86-64 ABI divides function parameters into a couple

-		# classes.  For the OpenGL interface, the only ones that are

-		# relevent are INTEGER and SSE.  Basically, the first 8

-		# GLfloat or GLdouble parameters are placed in %xmm0 - %xmm7,

-		# the first 6 non-GLfloat / non-GLdouble parameters are placed

-		# in registers listed in int_parameters.

-		#

-		# If more parameters than that are required, they are passed

-		# on the stack.  Therefore, we just have to make sure that

-		# %esp hasn't changed when we jump to the actual function.

-		# Since we're jumping to the function (and not calling it), we

-		# have to make sure of that anyway!

-

-		int_parameters = ["%rdi", "%rsi", "%rdx", "%rcx", "%r8", "%r9"]

-

-		int_class = 0

-		sse_class = 0

-		stack_offset = 0

-		registers = []

-		for p in f.parameterIterator():

-			type_name = p.get_base_type_string()

-

-			if p.is_pointer() or (type_name != "GLfloat" and type_name != "GLdouble"):

-				if int_class < 6:

-					registers.append( [int_parameters[int_class], stack_offset] )

-					int_class += 1

-					stack_offset += 8

-			else:

-				if sse_class < 8:

-					registers.append( ["%%xmm%u" % (sse_class), stack_offset] )

-					sse_class += 1

-					stack_offset += 8

-

-		if ((int_class & 1) == 0) and (sse_class == 0):

-			registers.append( ["%rbp", 0] )

-

-

-		name = f.dispatch_name()

-

-		print '\t.p2align\t4,,15'

-		print '\t.globl\tGL_PREFIX(%s)' % (name)

-		print '\t.type\tGL_PREFIX(%s), @function' % (name)

-		if not f.is_static_entry_point(f.name):

-			print '\tHIDDEN(GL_PREFIX(%s))' % (name)

-		print 'GL_PREFIX(%s):' % (name)

-		print '#if defined(GLX_USE_TLS)'

-		print '\tcall\t_x86_64_get_dispatch@PLT'

-		print '\tmovq\t%u(%%rax), %%r11' % (f.offset * 8)

-		print '\tjmp\t*%r11'

-		print '#elif defined(PTHREADS)'

-		

-		save_all_regs(registers)

-		print '\tcall\t_x86_64_get_dispatch@PLT'

-		restore_all_regs(registers)

-

-		if f.offset == 0:

-			print '\tmovq\t(%rax), %r11'

-		else:

-			print '\tmovq\t%u(%%rax), %%r11' % (f.offset * 8)

-

-		print '\tjmp\t*%r11'

-

-		print '#else'

-		print '\tmovq\t_glapi_Dispatch(%rip), %rax'

-		print '\ttestq\t%rax, %rax'

-		print '\tje\t1f'

-		print '\tmovq\t%u(%%rax), %%r11' % (f.offset * 8)

-		print '\tjmp\t*%r11'

-		print '1:'

-

-		save_all_regs(registers)

-		print '\tcall\t_glapi_get_dispatch'

-		restore_all_regs(registers)

-

-		print '\tmovq\t%u(%%rax), %%r11' % (f.offset * 8)

-		print '\tjmp\t*%r11'

-		print '#endif /* defined(GLX_USE_TLS) */'

-

-		print '\t.size\tGL_PREFIX(%s), .-GL_PREFIX(%s)' % (name, name)

-		print ''

-		return

-

-

-	def printBody(self, api):

-		for f in api.functionIterateByOffset():

-			self.printFunction(f)

-

-

-		for f in api.functionIterateByOffset():

-			dispatch = f.dispatch_name()

-			for n in f.entry_points:

-				if n != f.name:

-					if f.is_static_entry_point(n):

-						text = '\t.globl GL_PREFIX(%s) ; .set GL_PREFIX(%s), GL_PREFIX(%s)' % (n, n, dispatch)

-

-						if f.has_different_protocol(n):

-							print '#ifndef GLX_INDIRECT_RENDERING'

-							print text

-							print '#endif'

-						else:

-							print text

-

-		return

-

-def show_usage():

-	print "Usage: %s [-f input_file_name] [-m output_mode]" % sys.argv[0]

-	sys.exit(1)

-

-if __name__ == '__main__':

-	file_name = "gl_API.xml"

-	mode = "generic"

-

-	try:

-		(args, trail) = getopt.getopt(sys.argv[1:], "m:f:")

-	except Exception,e:

-		show_usage()

-

-	for (arg,val) in args:

-		if arg == '-m':

-			mode = val

-		elif arg == "-f":

-			file_name = val

-

-	if mode == "generic":

-		printer = PrintGenericStubs()

-	else:

-		print "ERROR: Invalid mode \"%s\" specified." % mode

-		show_usage()

-

-	api = gl_XML.parse_GL_API(file_name, glX_XML.glx_item_factory())

-	printer.Print(api)

+#!/usr/bin/env python
+
+# (C) Copyright IBM Corporation 2005
+# All Rights Reserved.
+#
+# 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
+# on the rights to use, copy, modify, merge, publish, distribute, sub
+# license, 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 (including the next
+# paragraph) 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 NON-INFRINGEMENT.  IN NO EVENT SHALL
+# IBM AND/OR ITS SUPPLIERS 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.
+#
+# Authors:
+#    Ian Romanick <idr@us.ibm.com>
+
+import license
+import gl_XML, glX_XML
+import sys, getopt, copy
+
+def should_use_push(registers):
+	for [reg, offset] in registers:
+		if reg[1:4] == "xmm":
+			return 0
+
+	N = len(registers)
+	return (N & 1) != 0
+
+
+def local_size(registers):
+	# The x86-64 ABI says "the value (%rsp - 8) is always a multiple of
+	# 16 when control is transfered to the function entry point."  This
+	# means that the local stack usage must be (16*N)+8 for some value
+	# of N.  (16*N)+8 = (8*(2N))+8 = 8*(2N+1).  As long as N is odd, we
+	# meet this requirement.
+
+	N = (len(registers) | 1)
+	return 8*N
+
+
+def save_all_regs(registers):
+	adjust_stack = 0
+	if not should_use_push(registers):
+		adjust_stack = local_size(registers)
+		print '\tsubq\t$%u, %%rsp' % (adjust_stack)
+
+	for [reg, stack_offset] in registers:
+		save_reg( reg, stack_offset, adjust_stack )
+	return
+
+
+def restore_all_regs(registers):
+	adjust_stack = 0
+	if not should_use_push(registers):
+		adjust_stack = local_size(registers)
+
+	temp = copy.deepcopy(registers)
+	while len(temp):
+		[reg, stack_offset] = temp.pop()
+		restore_reg(reg, stack_offset, adjust_stack)
+
+	if adjust_stack:
+		print '\taddq\t$%u, %%rsp' % (adjust_stack)
+	return
+
+
+def save_reg(reg, offset, use_move):
+	if use_move:
+		if offset == 0:
+			print '\tmovq\t%s, (%%rsp)' % (reg)
+		else:
+			print '\tmovq\t%s, %u(%%rsp)' % (reg, offset)
+	else:
+		print '\tpushq\t%s' % (reg)
+
+	return
+
+
+def restore_reg(reg, offset, use_move):
+	if use_move:
+		if offset == 0:
+			print '\tmovq\t(%%rsp), %s' % (reg)
+		else:
+			print '\tmovq\t%u(%%rsp), %s' % (offset, reg)
+	else:
+		print '\tpopq\t%s' % (reg)
+
+	return
+
+
+class PrintGenericStubs(gl_XML.gl_print_base):
+
+	def __init__(self):
+		gl_XML.gl_print_base.__init__(self)
+
+		self.name = "gl_x86-64_asm.py (from Mesa)"
+		self.license = license.bsd_license_template % ("(C) Copyright IBM Corporation 2005", "IBM")
+		return
+
+
+	def get_stack_size(self, f):
+		size = 0
+		for p in f.parameterIterator():
+			size += p.get_stack_size()
+
+		return size
+
+
+	def printRealHeader(self):
+		print "/* If we build with gcc's -fvisibility=hidden flag, we'll need to change"
+		print " * the symbol visibility mode to 'default'."
+		print ' */'
+		print ''
+		print '#include "x86/assyntax.h"'
+		print ''
+		print '#ifdef __GNUC__'
+		print '#  pragma GCC visibility push(default)'
+		print '#  define HIDDEN(x) .hidden x'
+		print '#else'
+		print '#  define HIDDEN(x)'
+		print '#endif'
+		print ''
+		print '# if defined(USE_MGL_NAMESPACE)'
+		print '#  define GL_PREFIX(n) GLNAME(CONCAT(mgl,n))'
+		print '#  define _glapi_Dispatch _mglapi_Dispatch'
+		print '# else'
+		print '#  define GL_PREFIX(n) GLNAME(CONCAT(gl,n))'
+		print '# endif'
+		print ''
+		print '#if defined(PTHREADS) || defined(WIN32) || defined(BEOS_THREADS)'
+		print '#  define THREADS'
+		print '#endif'
+		print ''
+		print '\t.text'
+		print ''
+		print '#ifdef GLX_USE_TLS'
+		print ''
+		print '\t.globl _x86_64_get_get_dispatch; HIDDEN(_x86_64_get_get_dispatch)'
+		print '_x86_64_get_get_dispatch:'
+		print '\tlea\t_x86_64_get_dispatch(%rip), %rax'
+		print '\tret'
+		print ''
+		print '\t.p2align\t4,,15'
+		print '_x86_64_get_dispatch:'
+		print '\tmovq\t_glapi_tls_Dispatch@GOTTPOFF(%rip), %rax'
+		print '\tmovq\t%fs:(%rax), %rax'
+		print '\tret'
+		print '\t.size\t_x86_64_get_dispatch, .-_x86_64_get_dispatch'
+		print ''
+		print '#elif defined(PTHREADS)'
+		print ''
+		print '\t.extern\t_glapi_Dispatch'
+		print '\t.extern\t_gl_DispatchTSD'
+		print '\t.extern\tpthread_getspecific'
+		print ''
+		print '\t.p2align\t4,,15'
+		print '_x86_64_get_dispatch:'
+		print '\tmovq\t_gl_DispatchTSD@GOTPCREL(%rip), %rax'
+		print '\tmovl\t(%rax), %edi'
+		print '\tjmp\tpthread_getspecific@PLT'
+		print ''
+		print '#elif defined(THREADS)'
+		print ''
+		print '\t.extern\t_glapi_get_dispatch'
+		print ''
+		print '#endif'
+		print ''
+		return
+
+
+	def printRealFooter(self):
+		print ''
+		print '#if defined(GLX_USE_TLS) && defined(__linux__)'
+		print '	.section ".note.ABI-tag", "a"'
+		print '	.p2align 2'
+		print '	.long	1f - 0f   /* name length */'
+		print '	.long	3f - 2f   /* data length */'
+		print '	.long	1         /* note length */'
+		print '0:	.asciz "GNU"      /* vendor name */'
+		print '1:	.p2align 2'
+		print '2:	.long	0         /* note data: the ABI tag */'
+		print '	.long	2,4,20    /* Minimum kernel version w/TLS */'
+		print '3:	.p2align 2        /* pad out section */'
+		print '#endif /* GLX_USE_TLS */'
+		print ''
+		print '#if defined (__ELF__) && defined (__linux__)'
+		print '	.section .note.GNU-stack,"",%progbits'
+		print '#endif'
+		return
+
+
+	def printFunction(self, f):
+		
+		# The x86-64 ABI divides function parameters into a couple
+		# classes.  For the OpenGL interface, the only ones that are
+		# relevent are INTEGER and SSE.  Basically, the first 8
+		# GLfloat or GLdouble parameters are placed in %xmm0 - %xmm7,
+		# the first 6 non-GLfloat / non-GLdouble parameters are placed
+		# in registers listed in int_parameters.
+		#
+		# If more parameters than that are required, they are passed
+		# on the stack.  Therefore, we just have to make sure that
+		# %esp hasn't changed when we jump to the actual function.
+		# Since we're jumping to the function (and not calling it), we
+		# have to make sure of that anyway!
+
+		int_parameters = ["%rdi", "%rsi", "%rdx", "%rcx", "%r8", "%r9"]
+
+		int_class = 0
+		sse_class = 0
+		stack_offset = 0
+		registers = []
+		for p in f.parameterIterator():
+			type_name = p.get_base_type_string()
+
+			if p.is_pointer() or (type_name != "GLfloat" and type_name != "GLdouble"):
+				if int_class < 6:
+					registers.append( [int_parameters[int_class], stack_offset] )
+					int_class += 1
+					stack_offset += 8
+			else:
+				if sse_class < 8:
+					registers.append( ["%%xmm%u" % (sse_class), stack_offset] )
+					sse_class += 1
+					stack_offset += 8
+
+		if ((int_class & 1) == 0) and (sse_class == 0):
+			registers.append( ["%rbp", 0] )
+
+
+		name = f.dispatch_name()
+
+		print '\t.p2align\t4,,15'
+		print '\t.globl\tGL_PREFIX(%s)' % (name)
+		print '\t.type\tGL_PREFIX(%s), @function' % (name)
+		if not f.is_static_entry_point(f.name):
+			print '\tHIDDEN(GL_PREFIX(%s))' % (name)
+		print 'GL_PREFIX(%s):' % (name)
+		print '#if defined(GLX_USE_TLS)'
+		print '\tcall\t_x86_64_get_dispatch@PLT'
+		print '\tmovq\t%u(%%rax), %%r11' % (f.offset * 8)
+		print '\tjmp\t*%r11'
+		print '#elif defined(PTHREADS)'
+		
+		save_all_regs(registers)
+		print '\tcall\t_x86_64_get_dispatch@PLT'
+		restore_all_regs(registers)
+
+		if f.offset == 0:
+			print '\tmovq\t(%rax), %r11'
+		else:
+			print '\tmovq\t%u(%%rax), %%r11' % (f.offset * 8)
+
+		print '\tjmp\t*%r11'
+
+		print '#else'
+		print '\tmovq\t_glapi_Dispatch(%rip), %rax'
+		print '\ttestq\t%rax, %rax'
+		print '\tje\t1f'
+		print '\tmovq\t%u(%%rax), %%r11' % (f.offset * 8)
+		print '\tjmp\t*%r11'
+		print '1:'
+
+		save_all_regs(registers)
+		print '\tcall\t_glapi_get_dispatch'
+		restore_all_regs(registers)
+
+		print '\tmovq\t%u(%%rax), %%r11' % (f.offset * 8)
+		print '\tjmp\t*%r11'
+		print '#endif /* defined(GLX_USE_TLS) */'
+
+		print '\t.size\tGL_PREFIX(%s), .-GL_PREFIX(%s)' % (name, name)
+		print ''
+		return
+
+
+	def printBody(self, api):
+		for f in api.functionIterateByOffset():
+			self.printFunction(f)
+
+
+		for f in api.functionIterateByOffset():
+			dispatch = f.dispatch_name()
+			for n in f.entry_points:
+				if n != f.name:
+					if f.is_static_entry_point(n):
+						text = '\t.globl GL_PREFIX(%s) ; .set GL_PREFIX(%s), GL_PREFIX(%s)' % (n, n, dispatch)
+
+						if f.has_different_protocol(n):
+							print '#ifndef GLX_INDIRECT_RENDERING'
+							print text
+							print '#endif'
+						else:
+							print text
+
+		return
+
+def show_usage():
+	print "Usage: %s [-f input_file_name] [-m output_mode]" % sys.argv[0]
+	sys.exit(1)
+
+if __name__ == '__main__':
+	file_name = "gl_API.xml"
+	mode = "generic"
+
+	try:
+		(args, trail) = getopt.getopt(sys.argv[1:], "m:f:")
+	except Exception,e:
+		show_usage()
+
+	for (arg,val) in args:
+		if arg == '-m':
+			mode = val
+		elif arg == "-f":
+			file_name = val
+
+	if mode == "generic":
+		printer = PrintGenericStubs()
+	else:
+		print "ERROR: Invalid mode \"%s\" specified." % mode
+		show_usage()
+
+	api = gl_XML.parse_GL_API(file_name, glX_XML.glx_item_factory())
+	printer.Print(api)