# (C) Copyright IBM Corporation 2004 # 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 import argparse import license import gl_XML, glX_XML class PrintGenericStubs(gl_XML.gl_print_base): def __init__(self): gl_XML.gl_print_base.__init__(self) self.name = "gl_SPARC_asm.py (from Mesa)" self.license = license.bsd_license_template % ( \ """Copyright (C) 1999-2003 Brian Paul All Rights Reserved. (C) Copyright IBM Corporation 2004""", "BRIAN PAUL, IBM") def printRealHeader(self): print('#ifdef __arch64__') print('#define GL_OFF(N)\t((N) * 8)') print('#define GL_LL\t\tldx') print('#define GL_TIE_LD(SYM)\t%tie_ldx(SYM)') print('#define GL_STACK_SIZE\t128') print('#else') print('#define GL_OFF(N)\t((N) * 4)') print('#define GL_LL\t\tld') print('#define GL_TIE_LD(SYM)\t%tie_ld(SYM)') print('#define GL_STACK_SIZE\t64') print('#endif') print('') print('#define GLOBL_FN(x) .globl x ; .type x, @function') print('#define HIDDEN(x) .hidden x') print('') print('\t.register %g2, #scratch') print('\t.register %g3, #scratch') print('') print('\t.text') print('') print('\tGLOBL_FN(__glapi_sparc_icache_flush)') print('\tHIDDEN(__glapi_sparc_icache_flush)') print('\t.type\t__glapi_sparc_icache_flush, @function') print('__glapi_sparc_icache_flush: /* %o0 = insn_addr */') print('\tflush\t%o0') print('\tretl') print('\t nop') print('') print('\t.align\t32') print('') print('\t.type\t__glapi_sparc_get_pc, @function') print('__glapi_sparc_get_pc:') print('\tretl') print('\t add\t%o7, %g2, %g2') print('\t.size\t__glapi_sparc_get_pc, .-__glapi_sparc_get_pc') print('') print('') print('\tGLOBL_FN(__glapi_sparc_get_dispatch)') print('\tHIDDEN(__glapi_sparc_get_dispatch)') print('__glapi_sparc_get_dispatch:') print('\tmov\t%o7, %g1') print('\tsethi\t%hi(_GLOBAL_OFFSET_TABLE_-4), %g2') print('\tcall\t__glapi_sparc_get_pc') print('\tadd\t%g2, %lo(_GLOBAL_OFFSET_TABLE_+4), %g2') print('\tmov\t%g1, %o7') print('\tsethi\t%tie_hi22(_glapi_tls_Dispatch), %g1') print('\tadd\t%g1, %tie_lo10(_glapi_tls_Dispatch), %g1') print('\tGL_LL\t[%g2 + %g1], %g2, GL_TIE_LD(_glapi_tls_Dispatch)') print('\tretl') print('\t mov\t%g2, %o0') print('') print('\t.data') print('\t.align\t32') print('') print('\t/* --> sethi %hi(_glapi_tls_Dispatch), %g1 */') print('\t/* --> or %g1, %lo(_glapi_tls_Dispatch), %g1 */') print('\tGLOBL_FN(__glapi_sparc_tls_stub)') print('\tHIDDEN(__glapi_sparc_tls_stub)') print('__glapi_sparc_tls_stub: /* Call offset in %g3 */') print('\tmov\t%o7, %g1') print('\tsethi\t%hi(_GLOBAL_OFFSET_TABLE_-4), %g2') print('\tcall\t__glapi_sparc_get_pc') print('\tadd\t%g2, %lo(_GLOBAL_OFFSET_TABLE_+4), %g2') print('\tmov\t%g1, %o7') print('\tsrl\t%g3, 10, %g3') print('\tsethi\t%tie_hi22(_glapi_tls_Dispatch), %g1') print('\tadd\t%g1, %tie_lo10(_glapi_tls_Dispatch), %g1') print('\tGL_LL\t[%g2 + %g1], %g2, GL_TIE_LD(_glapi_tls_Dispatch)') print('\tGL_LL\t[%g7+%g2], %g1') print('\tGL_LL\t[%g1 + %g3], %g1') print('\tjmp\t%g1') print('\t nop') print('\t.size\t__glapi_sparc_tls_stub, .-__glapi_sparc_tls_stub') print('') print('#define GL_STUB(fn, off)\t\t\t\t\\') print('\tGLOBL_FN(fn);\t\t\t\t\t\\') print('fn:\tba\t__glapi_sparc_tls_stub;\t\t\t\\') print('\t sethi\tGL_OFF(off), %g3;\t\t\t\\') print('\t.size\tfn,.-fn;') print('') print('#define GL_STUB_ALIAS(fn, alias) \\') print(' .globl fn; \\') print(' .set fn, alias') print('') print('\t.text') print('\t.align\t32') print('') print('\t.globl\tgl_dispatch_functions_start') print('\tHIDDEN(gl_dispatch_functions_start)') print('gl_dispatch_functions_start:') print('') return def printRealFooter(self): print('') print('\t.globl\tgl_dispatch_functions_end') print('\tHIDDEN(gl_dispatch_functions_end)') print('gl_dispatch_functions_end:') return def printBody(self, api): for f in api.functionIterateByOffset(): name = f.dispatch_name() print('\tGL_STUB(gl%s, %d)' % (name, f.offset)) if not f.is_static_entry_point(f.name): print('\tHIDDEN(gl%s)' % (name)) for f in api.functionIterateByOffset(): name = f.dispatch_name() if f.is_static_entry_point(f.name): for n in f.entry_points: if n != f.name: text = '\tGL_STUB_ALIAS(gl%s, gl%s)' % (n, f.name) if f.has_different_protocol(n): print('#ifndef GLX_INDIRECT_RENDERING') print(text) print('#endif') else: print(text) return def _parser(): """Parse arguments and return a namespace.""" parser = argparse.ArgumentParser() parser.add_argument('-f', dest='filename', default='gl_API.xml', help='An XML description of an API.') return parser.parse_args() def main(): """Main function.""" args = _parser() printer = PrintGenericStubs() api = gl_XML.parse_GL_API(args.filename, glX_XML.glx_item_factory()) printer.Print(api) if __name__ == '__main__': main()