mirror of
https://gitlab.freedesktop.org/mesa/mesa.git
synced 2026-05-21 06:48:09 +02:00
e4dbfa44ed
glapioffsets.h exists for the same reason as glapidispatch.h does. It is of no use to glapi. This commit also drops the use of glapioffsets.h in glx as glx is considered an extension to glapi when it comes to defining public GL entries.
273 lines
8.8 KiB
Python
273 lines
8.8 KiB
Python
#!/usr/bin/env python
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# (C) Copyright IBM Corporation 2004
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# All Rights Reserved.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the "Software"),
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# to deal in the Software without restriction, including without limitation
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# on the rights to use, copy, modify, merge, publish, distribute, sub
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# license, and/or sell copies of the Software, and to permit persons to whom
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# the Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice (including the next
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# paragraph) shall be included in all copies or substantial portions of the
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# Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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# IBM AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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#
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# Authors:
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# Ian Romanick <idr@us.ibm.com>
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import license
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import gl_XML, glX_XML
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import sys, getopt
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class PrintGenericStubs(gl_XML.gl_print_base):
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def __init__(self):
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gl_XML.gl_print_base.__init__(self)
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self.name = "gl_SPARC_asm.py (from Mesa)"
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self.license = license.bsd_license_template % ( \
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"""Copyright (C) 1999-2003 Brian Paul All Rights Reserved.
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(C) Copyright IBM Corporation 2004""", "BRIAN PAUL, IBM")
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def printRealHeader(self):
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print '#ifdef __arch64__'
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print '#define GL_OFF(N)\t((N) * 8)'
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print '#define GL_LL\t\tldx'
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print '#define GL_TIE_LD(SYM)\t%tie_ldx(SYM)'
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print '#define GL_STACK_SIZE\t128'
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print '#else'
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print '#define GL_OFF(N)\t((N) * 4)'
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print '#define GL_LL\t\tld'
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print '#define GL_TIE_LD(SYM)\t%tie_ld(SYM)'
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print '#define GL_STACK_SIZE\t64'
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print '#endif'
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print ''
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print '#define GLOBL_FN(x) .globl x ; .type x, @function'
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print '#define HIDDEN(x) .hidden x'
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print ''
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print '\t.register %g2, #scratch'
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print '\t.register %g3, #scratch'
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print ''
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print '\t.text'
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print ''
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print '\tGLOBL_FN(__glapi_sparc_icache_flush)'
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print '\tHIDDEN(__glapi_sparc_icache_flush)'
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print '\t.type\t__glapi_sparc_icache_flush, @function'
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print '__glapi_sparc_icache_flush: /* %o0 = insn_addr */'
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print '\tflush\t%o0'
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print '\tretl'
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print '\t nop'
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print ''
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print '\t.align\t32'
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print ''
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print '\t.type\t__glapi_sparc_get_pc, @function'
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print '__glapi_sparc_get_pc:'
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print '\tretl'
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print '\t add\t%o7, %g2, %g2'
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print '\t.size\t__glapi_sparc_get_pc, .-__glapi_sparc_get_pc'
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print ''
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print '#ifdef GLX_USE_TLS'
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print ''
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print '\tGLOBL_FN(__glapi_sparc_get_dispatch)'
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print '\tHIDDEN(__glapi_sparc_get_dispatch)'
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print '__glapi_sparc_get_dispatch:'
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print '\tmov\t%o7, %g1'
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print '\tsethi\t%hi(_GLOBAL_OFFSET_TABLE_-4), %g2'
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print '\tcall\t__glapi_sparc_get_pc'
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print '\tadd\t%g2, %lo(_GLOBAL_OFFSET_TABLE_+4), %g2'
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print '\tmov\t%g1, %o7'
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print '\tsethi\t%tie_hi22(_glapi_tls_Dispatch), %g1'
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print '\tadd\t%g1, %tie_lo10(_glapi_tls_Dispatch), %g1'
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print '\tGL_LL\t[%g2 + %g1], %g2, GL_TIE_LD(_glapi_tls_Dispatch)'
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print '\tretl'
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print '\t mov\t%g2, %o0'
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print ''
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print '\t.data'
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print '\t.align\t32'
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print ''
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print '\t/* --> sethi %hi(_glapi_tls_Dispatch), %g1 */'
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print '\t/* --> or %g1, %lo(_glapi_tls_Dispatch), %g1 */'
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print '\tGLOBL_FN(__glapi_sparc_tls_stub)'
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print '\tHIDDEN(__glapi_sparc_tls_stub)'
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print '__glapi_sparc_tls_stub: /* Call offset in %g3 */'
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print '\tmov\t%o7, %g1'
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print '\tsethi\t%hi(_GLOBAL_OFFSET_TABLE_-4), %g2'
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print '\tcall\t__glapi_sparc_get_pc'
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print '\tadd\t%g2, %lo(_GLOBAL_OFFSET_TABLE_+4), %g2'
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print '\tmov\t%g1, %o7'
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print '\tsrl\t%g3, 10, %g3'
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print '\tsethi\t%tie_hi22(_glapi_tls_Dispatch), %g1'
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print '\tadd\t%g1, %tie_lo10(_glapi_tls_Dispatch), %g1'
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print '\tGL_LL\t[%g2 + %g1], %g2, GL_TIE_LD(_glapi_tls_Dispatch)'
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print '\tGL_LL\t[%g7+%g2], %g1'
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print '\tGL_LL\t[%g1 + %g3], %g1'
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print '\tjmp\t%g1'
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print '\t nop'
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print '\t.size\t__glapi_sparc_tls_stub, .-__glapi_sparc_tls_stub'
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print ''
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print '#define GL_STUB(fn, off)\t\t\t\t\\'
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print '\tGLOBL_FN(fn);\t\t\t\t\t\\'
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print 'fn:\tba\t__glapi_sparc_tls_stub;\t\t\t\\'
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print '\t sethi\tGL_OFF(off), %g3;\t\t\t\\'
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print '\t.size\tfn,.-fn;'
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print ''
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print '#elif defined(PTHREADS)'
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print ''
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print '\t/* 64-bit 0x00 --> sethi %hh(_glapi_Dispatch), %g1 */'
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print '\t/* 64-bit 0x04 --> sethi %lm(_glapi_Dispatch), %g2 */'
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print '\t/* 64-bit 0x08 --> or %g1, %hm(_glapi_Dispatch), %g1 */'
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print '\t/* 64-bit 0x0c --> sllx %g1, 32, %g1 */'
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print '\t/* 64-bit 0x10 --> add %g1, %g2, %g1 */'
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print '\t/* 64-bit 0x14 --> ldx [%g1 + %lo(_glapi_Dispatch)], %g1 */'
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print ''
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print '\t/* 32-bit 0x00 --> sethi %hi(_glapi_Dispatch), %g1 */'
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print '\t/* 32-bit 0x04 --> ld [%g1 + %lo(_glapi_Dispatch)], %g1 */'
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print ''
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print '\t.data'
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print '\t.align\t32'
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print ''
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print '\tGLOBL_FN(__glapi_sparc_pthread_stub)'
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print '\tHIDDEN(__glapi_sparc_pthread_stub)'
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print '__glapi_sparc_pthread_stub: /* Call offset in %g3 */'
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print '\tmov\t%o7, %g1'
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print '\tsethi\t%hi(_GLOBAL_OFFSET_TABLE_-4), %g2'
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print '\tcall\t__glapi_sparc_get_pc'
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print '\t add\t%g2, %lo(_GLOBAL_OFFSET_TABLE_+4), %g2'
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print '\tmov\t%g1, %o7'
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print '\tsethi\t%hi(_glapi_Dispatch), %g1'
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print '\tor\t%g1, %lo(_glapi_Dispatch), %g1'
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print '\tsrl\t%g3, 10, %g3'
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print '\tGL_LL\t[%g2+%g1], %g2'
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print '\tGL_LL\t[%g2], %g1'
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print '\tcmp\t%g1, 0'
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print '\tbe\t2f'
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print '\t nop'
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print '1:\tGL_LL\t[%g1 + %g3], %g1'
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print '\tjmp\t%g1'
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print '\t nop'
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print '2:\tsave\t%sp, GL_STACK_SIZE, %sp'
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print '\tmov\t%g3, %l0'
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print '\tcall\t_glapi_get_dispatch'
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print '\t nop'
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print '\tmov\t%o0, %g1'
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print '\tmov\t%l0, %g3'
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print '\tba\t1b'
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print '\t restore %g0, %g0, %g0'
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print '\t.size\t__glapi_sparc_pthread_stub, .-__glapi_sparc_pthread_stub'
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print ''
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print '#define GL_STUB(fn, off)\t\t\t\\'
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print '\tGLOBL_FN(fn);\t\t\t\t\\'
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print 'fn:\tba\t__glapi_sparc_pthread_stub;\t\\'
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print '\t sethi\tGL_OFF(off), %g3;\t\t\\'
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print '\t.size\tfn,.-fn;'
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print ''
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print '#else /* Non-threaded version. */'
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print ''
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print '\t.type __glapi_sparc_nothread_stub, @function'
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print '__glapi_sparc_nothread_stub: /* Call offset in %g3 */'
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print '\tmov\t%o7, %g1'
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print '\tsethi\t%hi(_GLOBAL_OFFSET_TABLE_-4), %g2'
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print '\tcall\t__glapi_sparc_get_pc'
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print '\t add\t%g2, %lo(_GLOBAL_OFFSET_TABLE_+4), %g2'
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print '\tmov\t%g1, %o7'
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print '\tsrl\t%g3, 10, %g3'
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print '\tsethi\t%hi(_glapi_Dispatch), %g1'
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print '\tor\t%g1, %lo(_glapi_Dispatch), %g1'
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print '\tGL_LL\t[%g2+%g1], %g2'
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print '\tGL_LL\t[%g2], %g1'
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print '\tGL_LL\t[%g1 + %g3], %g1'
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print '\tjmp\t%g1'
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print '\t nop'
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print '\t.size\t__glapi_sparc_nothread_stub, .-__glapi_sparc_nothread_stub'
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print ''
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print '#define GL_STUB(fn, off)\t\t\t\\'
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print '\tGLOBL_FN(fn);\t\t\t\t\\'
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print 'fn:\tba\t__glapi_sparc_nothread_stub;\t\\'
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print '\t sethi\tGL_OFF(off), %g3;\t\t\\'
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print '\t.size\tfn,.-fn;'
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print ''
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print '#endif'
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print ''
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print '#define GL_STUB_ALIAS(fn, alias) \\'
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print ' .globl fn; \\'
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print ' .set fn, alias'
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print ''
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print '\t.text'
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print '\t.align\t32'
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print ''
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print '\t.globl\tgl_dispatch_functions_start'
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print '\tHIDDEN(gl_dispatch_functions_start)'
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print 'gl_dispatch_functions_start:'
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print ''
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return
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def printRealFooter(self):
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print ''
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print '\t.globl\tgl_dispatch_functions_end'
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print '\tHIDDEN(gl_dispatch_functions_end)'
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print 'gl_dispatch_functions_end:'
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return
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def printBody(self, api):
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for f in api.functionIterateByOffset():
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name = f.dispatch_name()
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print '\tGL_STUB(gl%s, %d)' % (name, f.offset)
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if not f.is_static_entry_point(f.name):
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print '\tHIDDEN(gl%s)' % (name)
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for f in api.functionIterateByOffset():
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name = f.dispatch_name()
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if f.is_static_entry_point(f.name):
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for n in f.entry_points:
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if n != f.name:
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text = '\tGL_STUB_ALIAS(gl%s, gl%s)' % (n, f.name)
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if f.has_different_protocol(n):
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print '#ifndef GLX_INDIRECT_RENDERING'
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print text
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print '#endif'
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else:
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print text
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return
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def show_usage():
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print "Usage: %s [-f input_file_name] [-m output_mode]" % sys.argv[0]
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sys.exit(1)
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if __name__ == '__main__':
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file_name = "gl_API.xml"
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mode = "generic"
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try:
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(args, trail) = getopt.getopt(sys.argv[1:], "m:f:")
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except Exception,e:
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show_usage()
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for (arg,val) in args:
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if arg == '-m':
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mode = val
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elif arg == "-f":
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file_name = val
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if mode == "generic":
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printer = PrintGenericStubs()
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else:
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print "ERROR: Invalid mode \"%s\" specified." % mode
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show_usage()
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api = gl_XML.parse_GL_API(file_name, glX_XML.glx_item_factory())
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printer.Print(api)
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