gallivm: added lp_bld_printf() function
This commit is contained in:
parent
90075f34e2
commit
3b1a8d9d5b
|
@ -155,6 +155,7 @@ GALLIVM_SOURCES = \
|
|||
gallivm/lp_bld_intr.c \
|
||||
gallivm/lp_bld_logic.c \
|
||||
gallivm/lp_bld_pack.c \
|
||||
gallivm/lp_bld_printf.c \
|
||||
gallivm/lp_bld_sample.c \
|
||||
gallivm/lp_bld_sample_soa.c \
|
||||
gallivm/lp_bld_struct.c \
|
||||
|
|
|
@ -200,6 +200,7 @@ if drawllvm:
|
|||
'gallivm/lp_bld_logic.c',
|
||||
'gallivm/lp_bld_init.cpp',
|
||||
'gallivm/lp_bld_pack.c',
|
||||
'gallivm/lp_bld_printf.c',
|
||||
'gallivm/lp_bld_sample.c',
|
||||
'gallivm/lp_bld_sample_soa.c',
|
||||
'gallivm/lp_bld_struct.c',
|
||||
|
|
|
@ -0,0 +1,109 @@
|
|||
/**************************************************************************
|
||||
*
|
||||
* Copyright 2010 VMware, Inc.
|
||||
* 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 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 VMWARE 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.
|
||||
*
|
||||
**************************************************************************/
|
||||
|
||||
#include <stdio.h>
|
||||
|
||||
#include "lp_bld_printf.h"
|
||||
|
||||
|
||||
static int
|
||||
lp_get_printf_arg_count(const char *fmt)
|
||||
{
|
||||
int count =0;
|
||||
const char *p = fmt;
|
||||
int c;
|
||||
|
||||
while ((c = *p++)) {
|
||||
if (c != '%')
|
||||
continue;
|
||||
switch (*p) {
|
||||
case '\0':
|
||||
continue;
|
||||
case '%':
|
||||
p++;
|
||||
continue;
|
||||
case '.':
|
||||
if (p[1] == '*' && p[2] == 's') {
|
||||
count += 2;
|
||||
p += 3;
|
||||
continue;
|
||||
}
|
||||
default:
|
||||
count ++;
|
||||
}
|
||||
}
|
||||
return count;
|
||||
}
|
||||
|
||||
LLVMValueRef
|
||||
lp_build_const_string_variable(LLVMModuleRef module, const char *str, int len)
|
||||
{
|
||||
LLVMValueRef string = LLVMAddGlobal(module, LLVMArrayType(LLVMInt8Type(), len + 1), "");
|
||||
LLVMSetGlobalConstant(string, TRUE);
|
||||
LLVMSetLinkage(string, LLVMInternalLinkage);
|
||||
LLVMSetInitializer(string, LLVMConstString(str, len + 1, TRUE));
|
||||
return string;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* lp_build_printf.
|
||||
*
|
||||
* Build printf call in LLVM IR. The output goes to stdout.
|
||||
* The additional variable arguments need to have type
|
||||
* LLVMValueRef.
|
||||
*/
|
||||
LLVMValueRef
|
||||
lp_build_printf(LLVMBuilderRef builder, const char *fmt, ...)
|
||||
{
|
||||
va_list arglist;
|
||||
int i = 0;
|
||||
int argcount = lp_get_printf_arg_count(fmt);
|
||||
LLVMModuleRef module = LLVMGetGlobalParent(LLVMGetBasicBlockParent(LLVMGetInsertBlock(builder)));
|
||||
LLVMValueRef params[argcount + 1];
|
||||
LLVMValueRef fmtarg = lp_build_const_string_variable(module, fmt, strlen(fmt) + 1);
|
||||
LLVMValueRef int0 = LLVMConstInt(LLVMInt32Type(), 0, 0);
|
||||
LLVMValueRef index[2];
|
||||
LLVMValueRef func_printf = LLVMGetNamedFunction(module, "printf");
|
||||
|
||||
index[0] = index[1] = int0;
|
||||
|
||||
if (!func_printf) {
|
||||
LLVMTypeRef printf_type = LLVMFunctionType(LLVMIntType(32), NULL, 0, 1);
|
||||
func_printf = LLVMAddFunction(module, "printf", printf_type);
|
||||
}
|
||||
|
||||
params[0] = LLVMBuildGEP(builder, fmtarg, index, 2, "");
|
||||
|
||||
va_start(arglist, fmt);
|
||||
for (i = 1; i <= argcount; i++)
|
||||
params[i] = va_arg(arglist, LLVMValueRef);
|
||||
va_end(arglist);
|
||||
|
||||
return LLVMBuildCall(builder, func_printf, params, argcount + 1, "");
|
||||
}
|
||||
|
|
@ -0,0 +1,39 @@
|
|||
/**************************************************************************
|
||||
*
|
||||
* Copyright 2010 VMware, Inc.
|
||||
* 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 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 VMWARE 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.
|
||||
*
|
||||
**************************************************************************/
|
||||
|
||||
#ifndef LP_BLD_PRINTF_H
|
||||
#define LP_BLD_PRINTF_H
|
||||
|
||||
|
||||
#include "pipe/p_compiler.h"
|
||||
#include "lp_bld.h"
|
||||
|
||||
LLVMValueRef lp_build_const_string_variable(LLVMModuleRef module, const char *str, int len);
|
||||
LLVMValueRef lp_build_printf(LLVMBuilderRef builder, const char *fmt, ...);
|
||||
|
||||
#endif
|
||||
|
Loading…
Reference in New Issue