diff options
Diffstat (limited to 'src/mesa/glapi/glx86asm.py')
| -rw-r--r-- | src/mesa/glapi/glx86asm.py | 113 |
1 files changed, 42 insertions, 71 deletions
diff --git a/src/mesa/glapi/glx86asm.py b/src/mesa/glapi/glx86asm.py index ce93279f5a1..236673096a6 100644 --- a/src/mesa/glapi/glx86asm.py +++ b/src/mesa/glapi/glx86asm.py @@ -1,11 +1,11 @@ #!/usr/bin/env python -# $Id: glx86asm.py,v 1.3 2001/03/28 17:22:11 brianp Exp $ +# $Id: glx86asm.py,v 1.4 2001/11/18 22:42:57 brianp Exp $ # Mesa 3-D graphics library -# Version: 3.4 +# Version: 4.1 # -# Copyright (C) 1999-2000 Brian Paul All Rights Reserved. +# Copyright (C) 1999-2001 Brian Paul 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"), @@ -25,19 +25,16 @@ # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -# Generate the glapi_x86.S assembly language file. +# Generate the src/X86/glapi_x86.S file. # # Usage: -# glx86asm.py >glapi_x86.S +# gloffsets.py >glapi_x86.S # # Dependencies: -# The gl.spec file from the SI must be in the current directory. -# -# Brian Paul 11 May 2000 +# The apispec file must be in the current directory. -import string -import re +import apiparser def PrintHead(): @@ -63,86 +60,60 @@ def PrintHead(): print '' print '' return -#endif +#enddef def PrintTail(): print '' print '#endif /* __WIN32__ */' -#endif +#enddef -def GenerateDispatchCode(name, offset): - print 'ALIGNTEXT16' - print "GLOBL_FN(GL_PREFIX(%s))" % (name) - print "GL_PREFIX(%s):" % (name) - print '\tMOV_L(GLNAME(_glapi_Dispatch), EAX)' - print "\tJMP(GL_OFFSET(_gloffset_%s))" % (offset) - print '' -#enddef +records = [] -def FindAlias(list, funcName): - for i in range(0, len(list)): - entry = list[i] - if entry[0] == funcName: - return entry[1] +def FindOffset(funcName): + for (name, alias, offset) in records: + if name == funcName: + return offset #endif #endfor - return '' + return -1 #enddef - - -def PrintDefines(): - functionPattern = re.compile('^[a-zA-Z0-9]+\(') - functionNamePattern = re.compile('^[a-zA-Z0-9]+') - - funcName = '' - functions = [ ] - - f = open('gl.spec') - for line in f.readlines(): - - m = functionPattern.match(line) - if m: - # extract funcName - n = functionNamePattern.findall(line) - funcName = n[0] - - m = string.split(line) - if len(m) > 1: - if m[0] == 'param': - paramName = m[1] - if m[0] == 'offset': - if m[1] == '?': - #print 'WARNING skipping', funcName - noop = 0 - else: - entry = [ funcName, funcName ] - functions.append(entry) - #endif - elif m[0] == 'alias': - aliasedName = FindAlias(functions, m[1]) - if aliasedName: - entry = [ funcName, aliasedName ] - functions.append(entry) - else: - print 'WARNING: alias to unknown function:', aliasedName - #endif - #endif +def EmitFunction(name, returnType, argTypeList, argNameList, alias, offset): + argList = apiparser.MakeArgList(argTypeList, argNameList) + if alias != '': + dispatchName = alias + else: + dispatchName = name + #endif + + if offset < 0: + # try to find offset from alias name + assert dispatchName != '' + offset = FindOffset(dispatchName) + if offset == -1: + #print 'Cannot dispatch %s' % name + return #endif - #endfor + #endif - # Now generate the assembly dispatch code - for i in range(0, len(functions)): - entry = functions[i] - GenerateDispatchCode( entry[0], entry[1] ) + # save this info in case we need to look up an alias later + records.append((name, dispatchName, offset)) + + # print the assembly code + print 'ALIGNTEXT16' + print "GLOBL_FN(GL_PREFIX(%s))" % (name) + print "GL_PREFIX(%s):" % (name) + print '\tMOV_L(GLNAME(_glapi_Dispatch), EAX)' + print "\tJMP(GL_OFFSET(_gloffset_%s))" % (dispatchName) + print '' #enddef PrintHead() -PrintDefines() +apiparser.ProcessSpecFile("APIspec", EmitFunction) PrintTail() |