-#!/usr/bin/env python
# (C) Copyright IBM Corporation 2004, 2005
# All Rights Reserved.
# Authors:
# Ian Romanick <idr@us.ibm.com>
+from __future__ import print_function
+
+import argparse
+
import license
import gl_XML, glX_XML
-import sys, getopt
class PrintGenericStubs(gl_XML.gl_print_base):
- def __init__(self):
- gl_XML.gl_print_base.__init__(self)
+ def __init__(self):
+ gl_XML.gl_print_base.__init__(self)
- self.name = "gl_x86_asm.py (from Mesa)"
- self.license = license.bsd_license_template % ( \
+ self.name = "gl_x86_asm.py (from Mesa)"
+ self.license = license.bsd_license_template % ( \
"""Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
(C) Copyright IBM Corporation 2004, 2005""", "BRIAN PAUL, IBM")
- return
-
-
- def get_stack_size(self, f):
- size = 0
- for p in f.parameterIterator():
- if p.is_padding:
- continue
-
- size += p.get_stack_size()
-
- return size
-
-
- def printRealHeader(self):
- print '#include "x86/assyntax.h"'
- print ''
- print '#if defined(STDCALL_API)'
- print '# if defined(USE_MGL_NAMESPACE)'
- print '# define GL_PREFIX(n,n2) GLNAME(CONCAT(mgl,n2))'
- print '# else'
- print '# define GL_PREFIX(n,n2) GLNAME(CONCAT(gl,n2))'
- print '# endif'
- print '#else'
- print '# if defined(USE_MGL_NAMESPACE)'
- print '# define GL_PREFIX(n,n2) GLNAME(CONCAT(mgl,n))'
- print '# define _glapi_Dispatch _mglapi_Dispatch'
- print '# else'
- print '# define GL_PREFIX(n,n2) GLNAME(CONCAT(gl,n))'
- print '# endif'
- print '#endif'
- print ''
- print '#define GL_OFFSET(x) CODEPTR(REGOFF(4 * x, EAX))'
- print ''
- print '#if defined(GNU_ASSEMBLER) && !defined(__DJGPP__) && !defined(__MINGW32__) && !defined(__APPLE__)'
- print '#define GLOBL_FN(x) GLOBL x ; .type x, function'
- print '#else'
- print '#define GLOBL_FN(x) GLOBL x'
- print '#endif'
- print ''
- print '#if defined(PTHREADS) || defined(WIN32) || defined(BEOS_THREADS)'
- print '# define THREADS'
- print '#endif'
- print ''
- print '#ifdef GLX_USE_TLS'
- print ''
- print '#ifdef GLX_X86_READONLY_TEXT'
- print '# define CTX_INSNS MOV_L(GS:(EAX), EAX)'
- print '#else'
- print '# define CTX_INSNS NOP /* Pad for init_glapi_relocs() */'
- print '#endif'
- print ''
- print '# define GL_STUB(fn,off,fn_alt)\t\t\t\\'
- print 'ALIGNTEXT16;\t\t\t\t\t\t\\'
- print 'GLOBL_FN(GL_PREFIX(fn, fn_alt));\t\t\t\\'
- print 'GL_PREFIX(fn, fn_alt):\t\t\t\t\t\\'
- print '\tCALL(_x86_get_dispatch) ;\t\t\t\\'
- print '\tCTX_INSNS ; \\'
- print '\tJMP(GL_OFFSET(off))'
- print ''
- print '#elif defined(PTHREADS)'
- print '# define GL_STUB(fn,off,fn_alt)\t\t\t\\'
- print 'ALIGNTEXT16;\t\t\t\t\t\t\\'
- print 'GLOBL_FN(GL_PREFIX(fn, fn_alt));\t\t\t\\'
- print 'GL_PREFIX(fn, fn_alt):\t\t\t\t\t\\'
- print '\tMOV_L(CONTENT(GLNAME(_glapi_Dispatch)), EAX) ;\t\\'
- print '\tTEST_L(EAX, EAX) ;\t\t\t\t\\'
- print '\tJE(1f) ;\t\t\t\t\t\\'
- print '\tJMP(GL_OFFSET(off)) ;\t\t\t\t\\'
- print '1:\tCALL(_x86_get_dispatch) ;\t\t\t\\'
- print '\tJMP(GL_OFFSET(off))'
- print '#elif defined(THREADS)'
- print '# define GL_STUB(fn,off,fn_alt)\t\t\t\\'
- print 'ALIGNTEXT16;\t\t\t\t\t\t\\'
- print 'GLOBL_FN(GL_PREFIX(fn, fn_alt));\t\t\t\\'
- print 'GL_PREFIX(fn, fn_alt):\t\t\t\t\t\\'
- print '\tMOV_L(CONTENT(GLNAME(_glapi_Dispatch)), EAX) ;\t\\'
- print '\tTEST_L(EAX, EAX) ;\t\t\t\t\\'
- print '\tJE(1f) ;\t\t\t\t\t\\'
- print '\tJMP(GL_OFFSET(off)) ;\t\t\t\t\\'
- print '1:\tCALL(_glapi_get_dispatch) ;\t\t\t\\'
- print '\tJMP(GL_OFFSET(off))'
- print '#else /* Non-threaded version. */'
- print '# define GL_STUB(fn,off,fn_alt)\t\t\t\\'
- print 'ALIGNTEXT16;\t\t\t\t\t\t\\'
- print 'GLOBL_FN(GL_PREFIX(fn, fn_alt));\t\t\t\\'
- print 'GL_PREFIX(fn, fn_alt):\t\t\t\t\t\\'
- print '\tMOV_L(CONTENT(GLNAME(_glapi_Dispatch)), EAX) ;\t\\'
- print '\tJMP(GL_OFFSET(off))'
- print '#endif'
- print ''
- print '#ifdef HAVE_ALIAS'
- print '# define GL_STUB_ALIAS(fn,off,fn_alt,alias,alias_alt)\t\\'
- print '\t.globl\tGL_PREFIX(fn, fn_alt) ;\t\t\t\\'
- print '\t.set\tGL_PREFIX(fn, fn_alt), GL_PREFIX(alias, alias_alt)'
- print '#else'
- print '# define GL_STUB_ALIAS(fn,off,fn_alt,alias,alias_alt)\t\\'
- print ' GL_STUB(fn, off, fn_alt)'
- print '#endif'
- print ''
- print 'SEG_TEXT'
- print ''
- print '#ifdef GLX_USE_TLS'
- print ''
- print '\tGLOBL\tGLNAME(_x86_get_dispatch)'
- print '\tHIDDEN(GLNAME(_x86_get_dispatch))'
- print 'ALIGNTEXT16'
- print 'GLNAME(_x86_get_dispatch):'
- print '\tcall 1f'
- print '1:\tpopl %eax'
- print '\taddl $_GLOBAL_OFFSET_TABLE_+[.-1b], %eax'
- print '\tmovl _glapi_tls_Dispatch@GOTNTPOFF(%eax), %eax'
- print '\tret'
- print ''
- print '#elif defined(PTHREADS)'
- print 'EXTERN GLNAME(_glapi_Dispatch)'
- print 'EXTERN GLNAME(_gl_DispatchTSD)'
- print 'EXTERN GLNAME(pthread_getspecific)'
- print ''
- print 'ALIGNTEXT16'
- print 'GLNAME(_x86_get_dispatch):'
- print '\tSUB_L(CONST(24), ESP)'
- print '\tPUSH_L(GLNAME(_gl_DispatchTSD))'
- print '\tCALL(GLNAME(pthread_getspecific))'
- print '\tADD_L(CONST(28), ESP)'
- print '\tRET'
- print '#elif defined(THREADS)'
- print 'EXTERN GLNAME(_glapi_get_dispatch)'
- print '#endif'
- print ''
-
- print '#if defined( GLX_USE_TLS ) && !defined( GLX_X86_READONLY_TEXT )'
- print '\t\t.section\twtext, "awx", @progbits'
- print '#endif /* defined( GLX_USE_TLS ) */'
-
- print ''
- print '\t\tALIGNTEXT16'
- print '\t\tGLOBL GLNAME(gl_dispatch_functions_start)'
- print '\t\tHIDDEN(GLNAME(gl_dispatch_functions_start))'
- print 'GLNAME(gl_dispatch_functions_start):'
- print ''
- return
-
-
- def printRealFooter(self):
- print ''
- print '\t\tGLOBL\tGLNAME(gl_dispatch_functions_end)'
- print '\t\tHIDDEN(GLNAME(gl_dispatch_functions_end))'
- print '\t\tALIGNTEXT16'
- print 'GLNAME(gl_dispatch_functions_end):'
- 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 printBody(self, api):
- for f in api.functionIterateByOffset():
- name = f.dispatch_name()
- stack = self.get_stack_size(f)
- alt = "%s@%u" % (name, stack)
-
- print '\tGL_STUB(%s, %d, %s)' % (name, f.offset, alt)
-
- if not f.is_static_entry_point(f.name):
- print '\tHIDDEN(GL_PREFIX(%s, %s))' % (name, alt)
-
-
- for f in api.functionIterateByOffset():
- name = f.dispatch_name()
- stack = self.get_stack_size(f)
- alt = "%s@%u" % (name, stack)
-
- for n in f.entry_points:
- if f.is_static_entry_point(n):
- if n != f.name:
- alt2 = "%s@%u" % (n, stack)
- text = '\tGL_STUB_ALIAS(%s, %d, %s, %s, %s)' % (n, f.offset, alt2, name, alt)
-
- 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)
+ return
+
+
+ def get_stack_size(self, f):
+ size = 0
+ for p in f.parameterIterator():
+ if p.is_padding:
+ continue
+
+ size += p.get_stack_size()
+
+ return size
+
+
+ def printRealHeader(self):
+ print('#include "x86/assyntax.h"')
+ print('')
+ print('#if defined(STDCALL_API)')
+ print('# define GL_PREFIX(n,n2) GLNAME(CONCAT(gl,n2))')
+ print('#else')
+ print('# define GL_PREFIX(n,n2) GLNAME(CONCAT(gl,n))')
+ print('#endif')
+ print('')
+ print('#define GL_OFFSET(x) CODEPTR(REGOFF(4 * x, EAX))')
+ print('')
+ print('#if defined(GNU_ASSEMBLER) && !defined(__MINGW32__) && !defined(__APPLE__)')
+ print('#define GLOBL_FN(x) GLOBL x ; .type x, @function')
+ print('#else')
+ print('#define GLOBL_FN(x) GLOBL x')
+ print('#endif')
+ print('')
+ print('')
+ print('#ifdef USE_ELF_TLS')
+ print('')
+ print('#ifdef GLX_X86_READONLY_TEXT')
+ print('# define CTX_INSNS MOV_L(GS:(EAX), EAX)')
+ print('#else')
+ print('# define CTX_INSNS NOP /* Pad for init_glapi_relocs() */')
+ print('#endif')
+ print('')
+ print('# define GL_STUB(fn,off,fn_alt)\t\t\t\\')
+ print('ALIGNTEXT16;\t\t\t\t\t\t\\')
+ print('GLOBL_FN(GL_PREFIX(fn, fn_alt));\t\t\t\\')
+ print('GL_PREFIX(fn, fn_alt):\t\t\t\t\t\\')
+ print('\tCALL(_x86_get_dispatch) ;\t\t\t\\')
+ print('\tCTX_INSNS ; \\')
+ print('\tJMP(GL_OFFSET(off))')
+ print('')
+ print('#elif defined(HAVE_PTHREAD)')
+ print('# define GL_STUB(fn,off,fn_alt)\t\t\t\\')
+ print('ALIGNTEXT16;\t\t\t\t\t\t\\')
+ print('GLOBL_FN(GL_PREFIX(fn, fn_alt));\t\t\t\\')
+ print('GL_PREFIX(fn, fn_alt):\t\t\t\t\t\\')
+ print('\tMOV_L(CONTENT(GLNAME(_glapi_Dispatch)), EAX) ;\t\\')
+ print('\tTEST_L(EAX, EAX) ;\t\t\t\t\\')
+ print('\tJE(1f) ;\t\t\t\t\t\\')
+ print('\tJMP(GL_OFFSET(off)) ;\t\t\t\t\\')
+ print('1:\tCALL(_x86_get_dispatch) ;\t\t\t\\')
+ print('\tJMP(GL_OFFSET(off))')
+ print('#else')
+ print('# define GL_STUB(fn,off,fn_alt)\t\t\t\\')
+ print('ALIGNTEXT16;\t\t\t\t\t\t\\')
+ print('GLOBL_FN(GL_PREFIX(fn, fn_alt));\t\t\t\\')
+ print('GL_PREFIX(fn, fn_alt):\t\t\t\t\t\\')
+ print('\tMOV_L(CONTENT(GLNAME(_glapi_Dispatch)), EAX) ;\t\\')
+ print('\tTEST_L(EAX, EAX) ;\t\t\t\t\\')
+ print('\tJE(1f) ;\t\t\t\t\t\\')
+ print('\tJMP(GL_OFFSET(off)) ;\t\t\t\t\\')
+ print('1:\tCALL(_glapi_get_dispatch) ;\t\t\t\\')
+ print('\tJMP(GL_OFFSET(off))')
+ print('#endif')
+ print('')
+ print('#ifdef HAVE_FUNC_ATTRIBUTE_ALIAS')
+ print('# define GL_STUB_ALIAS(fn,off,fn_alt,alias,alias_alt)\t\\')
+ print('\t.globl\tGL_PREFIX(fn, fn_alt) ;\t\t\t\\')
+ print('\t.set\tGL_PREFIX(fn, fn_alt), GL_PREFIX(alias, alias_alt)')
+ print('#else')
+ print('# define GL_STUB_ALIAS(fn,off,fn_alt,alias,alias_alt)\t\\')
+ print(' GL_STUB(fn, off, fn_alt)')
+ print('#endif')
+ print('')
+ print('SEG_TEXT')
+ print('')
+ print('#ifdef USE_ELF_TLS')
+ print('')
+ print('\tGLOBL\tGLNAME(_x86_get_dispatch)')
+ print('\tHIDDEN(GLNAME(_x86_get_dispatch))')
+ print('ALIGNTEXT16')
+ print('GLNAME(_x86_get_dispatch):')
+ print('\tcall 1f')
+ print('1:\tpopl %eax')
+ print('\taddl $_GLOBAL_OFFSET_TABLE_+[.-1b], %eax')
+ print('\tmovl _glapi_tls_Dispatch@GOTNTPOFF(%eax), %eax')
+ print('\tret')
+ print('')
+ print('#elif defined(HAVE_PTHREAD)')
+ print('EXTERN GLNAME(_glapi_Dispatch)')
+ print('EXTERN GLNAME(_gl_DispatchTSD)')
+ print('EXTERN GLNAME(pthread_getspecific)')
+ print('')
+ print('ALIGNTEXT16')
+ print('GLNAME(_x86_get_dispatch):')
+ print('\tSUB_L(CONST(24), ESP)')
+ print('\tPUSH_L(GLNAME(_gl_DispatchTSD))')
+ print('\tCALL(GLNAME(pthread_getspecific))')
+ print('\tADD_L(CONST(28), ESP)')
+ print('\tRET')
+ print('#else')
+ print('EXTERN GLNAME(_glapi_get_dispatch)')
+ print('#endif')
+ print('')
+
+ print('#if defined( USE_ELF_TLS ) && !defined( GLX_X86_READONLY_TEXT )')
+ print('\t\t.section\twtext, "awx", @progbits')
+ print('#endif /* defined( USE_ELF_TLS ) */')
+
+ print('')
+ print('\t\tALIGNTEXT16')
+ print('\t\tGLOBL GLNAME(gl_dispatch_functions_start)')
+ print('\t\tHIDDEN(GLNAME(gl_dispatch_functions_start))')
+ print('GLNAME(gl_dispatch_functions_start):')
+ print('')
+ return
+
+
+ def printRealFooter(self):
+ print('')
+ print('\t\tGLOBL\tGLNAME(gl_dispatch_functions_end)')
+ print('\t\tHIDDEN(GLNAME(gl_dispatch_functions_end))')
+ print('\t\tALIGNTEXT16')
+ print('GLNAME(gl_dispatch_functions_end):')
+ print('')
+ print('#if defined (__ELF__) && defined (__linux__)')
+ print(' .section .note.GNU-stack,"",%progbits')
+ print('#endif')
+ return
+
+
+ def printBody(self, api):
+ for f in api.functionIterateByOffset():
+ name = f.dispatch_name()
+ stack = self.get_stack_size(f)
+ alt = "%s@%u" % (name, stack)
+
+ print('\tGL_STUB(%s, %d, %s)' % (name, f.offset, alt))
+
+ if not f.is_static_entry_point(f.name):
+ print('\tHIDDEN(GL_PREFIX(%s, %s))' % (name, alt))
+
+
+ for f in api.functionIterateByOffset():
+ name = f.dispatch_name()
+ stack = self.get_stack_size(f)
+ alt = "%s@%u" % (name, stack)
+
+ for n in f.entry_points:
+ if f.is_static_entry_point(n):
+ if n != f.name:
+ alt2 = "%s@%u" % (n, stack)
+ text = '\tGL_STUB_ALIAS(%s, %d, %s, %s, %s)' % (n, f.offset, alt2, name, alt)
+
+ if f.has_different_protocol(n):
+ print('#ifndef GLX_INDIRECT_RENDERING')
+ print(text)
+ print('#endif')
+ else:
+ print(text)
+
+ return
+
+def _parser():
+ parser = argparse.ArgumentParser()
+ parser.add_argument('-f',
+ dest='filename',
+ default='gl_API.xml',
+ help='An XML file describing an API.')
+ return parser.parse_args()
+
+
+def main():
+ args = _parser()
+ printer = PrintGenericStubs()
+
+ api = gl_XML.parse_GL_API(args.filename, glX_XML.glx_item_factory())
+ printer.Print(api)
+
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)
+ main()
projects / mesa.git / blobdiff