X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/f738ba3162349f5c5e9f87840049391a3928fff8..553f377a24c4530332edc5df6e99dab3ab082529:/src/gras/DataDesc/ddt_convert.c diff --git a/src/gras/DataDesc/ddt_convert.c b/src/gras/DataDesc/ddt_convert.c index 99f3390e54..1d9c1cd312 100644 --- a/src/gras/DataDesc/ddt_convert.c +++ b/src/gras/DataDesc/ddt_convert.c @@ -1,12 +1,10 @@ -/* $Id$ */ - /* ddt_remote - Stuff needed to get datadescs about remote hosts */ -/* Authors: Olivier Aumage, Martin Quinson */ -/* Copyright (C) 2003, 2004 the GRAS posse. */ +/* Copyright (c) 2004, 2005, 2006, 2009, 2010. The SimGrid Team. + * All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it - under the terms of the license (GNU LGPL) which comes with this package. */ + * under the terms of the license (GNU LGPL) which comes with this package. */ /************************************************************************/ /* C combines the power of assembler with the portability of assembler. */ @@ -14,52 +12,85 @@ #include "gras/DataDesc/datadesc_private.h" -GRAS_LOG_NEW_DEFAULT_SUBCATEGORY(ddt_convert,datadesc, - "Inter-architecture convertions"); +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gras_ddt_convert, gras_ddt, + "Inter-architecture convertions"); /*** *** Table of all known architectures: *** - *** l C<1/1> I<2/2:4/4:4/4:8/4> P<4/4:4/4> D<4/4:8/4> - *** l C<1/1> I<2/2:4/4:8/8:8/8> P<4/4:4/4> D<4/4:8/8> - *** B C<1/1> I<2/2:4/4:4/8:8/8> P<4/4:4/4> D<4/4:8/4> - *** B C<1/1> I<2/2:4/8:8/8:8/8> P<4/4:4/4> D<4/4:8/4> - *** B C:1/1: I:2/2:4/4:4/4:8/8: P:4/4:4/4: D:4/4:8/4: - *** +l_C:1/1:_I:2/1:4/1:4/1:8/1:_P:4/1:4/1:_D:4/1:8/1: #gras_arch=0; gras_size=32; gras_arch_name=little32_1; +l_C:1/1:_I:2/2:4/2:4/2:8/2:_P:4/2:4/2:_D:4/2:8/2: #gras_arch=1; gras_size=32; gras_arch_name=little32_2; +l_C:1/1:_I:2/2:4/4:4/4:8/4:_P:4/4:4/4:_D:4/4:8/4: #gras_arch=2; gras_size=32; gras_arch_name=little32_4; +l_C:1/1:_I:2/2:4/4:4/4:8/8:_P:4/4:4/4:_D:4/4:8/8: #gras_arch=3; gras_size=32; gras_arch_name=little32_8; +l_C:1/1:_I:2/2:4/4:8/8:8/8:_P:8/8:8/8:_D:4/4:8/8: #gras_arch=4; gras_size=64; gras_arch_name=little64; +l_C:1/1:_I:2/2:4/4:4/4:8/8:_P:8/8:8/8:_D:4/4:8/8: #gras_arch=5; gras_size=64; gras_arch_name=little64_2; + +B_C:1/1:_I:2/2:4/4:4/4:8/8:_P:4/4:4/4:_D:4/4:8/8: #gras_arch=6; gras_size=32; gras_arch_name=big32_8; +B_C:1/1:_I:2/2:4/4:4/4:8/8:_P:4/4:4/4:_D:4/4:8/4: #gras_arch=7; gras_size=32; gras_arch_name=big32_8_4; +B_C:1/1:_I:2/2:4/4:4/4:8/4:_P:4/4:4/4:_D:4/4:8/4: #gras_arch=8; gras_size=32; gras_arch_name=big32_4; +B_C:1/1:_I:2/2:4/2:4/2:8/2:_P:4/2:4/2:_D:4/2:8/2: #gras_arch=9; gras_size=32; gras_arch_name=big32_2; +B_C:1/1:_I:2/2:4/4:8/8:8/8:_P:8/8:8/8:_D:4/4:8/8: #gras_arch=10; gras_size=64; gras_arch_name=big64; +B_C:1/1:_I:2/2:4/4:8/8:8/8:_P:8/8:8/8:_D:4/4:8/4: #gras_arch=11; gras_size=64; gras_arch_name=big64_8_4; + + PLEASE DO NOT MESS WITH THESE HARDCODED VALUES + + + Grep GRAS_THISARCH in buildtools/Cmake/CompleteInFiles.cmake for details + ***/ const gras_arch_desc_t gras_arches[gras_arch_count] = { - {"little32", 0, {1,2,4,4,8, 4,4, 4,8}, // 4}, - {1,2,4,4,4, 4,4, 4,4}}, - {"little64", 0, {1,2,4,8,8, 8,8, 4,8}, // 8}, - {1,2,4,8,8, 8,8, 4,8}}, + {"little32_1", 0, {1, 2, 4, 4, 8, 4, 4, 4, 8}, /* little endian, 1 byte alignement (win32) */ + {1, 1, 1, 1, 1, 1, 1, 1, 1}}, + + {"little32_2", 0, {1, 2, 4, 4, 8, 4, 4, 4, 8}, /* little endian, 2 bytes alignements (win32) */ + {1, 2, 2, 2, 2, 2, 2, 2, 2}}, + + {"little32_4", 0, {1, 2, 4, 4, 8, 4, 4, 4, 8}, /* little endian, 4 bytes alignements (win32 and linux x86) */ + {1, 2, 4, 4, 4, 4, 4, 4, 4}}, + + {"little32_8", 0, {1, 2, 4, 4, 8, 4, 4, 4, 8}, /* little endian, 8 bytes alignement (win32) */ + {1, 2, 4, 4, 8, 4, 4, 4, 8}}, + + {"little64", 0, {1, 2, 4, 8, 8, 8, 8, 4, 8}, /* alpha, ia64 */ + {1, 2, 4, 8, 8, 8, 8, 4, 8}}, + + {"little64_2", 0, {1, 2, 4, 4, 8, 8, 8, 4, 8}, /* win64 */ + {1, 2, 4, 4, 8, 8, 8, 4, 8}}, + + {"big32_8", 1, {1, 2, 4, 4, 8, 4, 4, 4, 8}, + {1, 2, 4, 4, 8, 4, 4, 4, 8}}, - {"big32", 1, {1,2,4,4,8, 4,4, 4,8}, // 8}, - {1,2,4,4,8, 4,4, 4,8}}, + {"big32_8_4", 1, {1, 2, 4, 4, 8, 4, 4, 4, 8}, /* AIX */ + {1, 2, 4, 4, 8, 4, 4, 4, 4}}, - {"big64", 1, {1,2,4,8,8, 8,8, 4,8}, // 8} - {1,2,4,8,8, 8,8, 4,8}}, + {"big32_4", 1, {1, 2, 4, 4, 8, 4, 4, 4, 8}, /* G5 */ + {1, 2, 4, 4, 4, 4, 4, 4, 4}}, - {"aix", 1, {1,2,4,4,8, 4,4, 4,8}, // 8} - {1,2,4,4,8, 4,4, 4,4}} - + {"big32_2", 1, {1, 2, 4, 4, 8, 4, 4, 4, 8}, /* ARM */ + {1, 2, 2, 2, 2, 2, 2, 2, 2}}, + + {"big64", 1, {1, 2, 4, 8, 8, 8, 8, 4, 8}, /* sparc */ + {1, 2, 4, 8, 8, 8, 8, 4, 8}}, + + {"big64_8_4", 1, {1, 2, 4, 8, 8, 8, 8, 4, 8}, /* aix with -maix64 */ + {1, 2, 4, 8, 8, 8, 8, 4, 4}} }; -const char *gras_datadesc_arch_name(int code) { - if (code < 0 || code >= gras_arch_count) - return "[unknown arch]"; - return gras_arches[code].name; +const char *gras_datadesc_arch_name(int code) +{ + if (code < 0 || code >= gras_arch_count) + return "[unknown arch]"; + return gras_arches[code].name; } + /** * Local function doing the grunt work */ -static void -gras_dd_reverse_bytes(void *to, - const void *from, - size_t length); - +static void gras_dd_reverse_bytes(void *to, const void *from, + size_t length); /** * gras_dd_convert_elm: @@ -68,49 +99,49 @@ gras_dd_reverse_bytes(void *to, * The data to be converted is stored in @src, and is to be stored in @dst. * Both pointers may be the same location if no resizing is needed. */ -gras_error_t -gras_dd_convert_elm(gras_datadesc_type_t *type, int count, - int r_arch, - void *src, void *dst) { +void +gras_dd_convert_elm(gras_datadesc_type_t type, int count, + int r_arch, void *src, void *dst) +{ gras_dd_cat_scalar_t scal = type->category.scalar_data; int cpt; const void *r_data; void *l_data; unsigned long r_size, l_size; /* Hexadecimal displayer - union { - char c[sizeof(int)]; - int i; - } tester; - */ - - gras_assert(type->category_code == e_gras_datadesc_type_cat_scalar); - gras_assert(r_arch != GRAS_THISARCH); - + union { + char c[sizeof(int)]; + int i; + } tester; + */ + + xbt_assert(type->category_code == e_gras_datadesc_type_cat_scalar); + xbt_assert(r_arch != GRAS_THISARCH); + r_size = type->size[r_arch]; l_size = type->size[GRAS_THISARCH]; - DEBUG4("r_size=%lu l_size=%lu, src=%p dst=%p", - r_size,l_size,src,dst); + XBT_DEBUG("r_size=%lu l_size=%lu, src=%p dst=%p", r_size, l_size, src, + dst); - DEBUG2("remote=%c local=%c", gras_arches[r_arch].endian?'B':'l', - gras_arches[GRAS_THISARCH].endian?'B':'l'); + XBT_DEBUG("remote=%c local=%c", gras_arches[r_arch].endian ? 'B' : 'l', + gras_arches[GRAS_THISARCH].endian ? 'B' : 'l'); - if(r_size != l_size) { - for(cpt = 0, r_data = src, l_data = dst; - cpt < count; - cpt++, - r_data = (char *)r_data + r_size, - l_data = (char *)l_data + l_size) { + if (r_size != l_size) { + for (cpt = 0, r_data = src, l_data = dst; + cpt < count; + cpt++, + r_data = (char *) r_data + r_size, + l_data = (char *) l_data + l_size) { /* - fprintf(stderr,"r_data="); - for (cpt=0; cpt 127) != (*l_sign > 127)) { - if(*r_sign > 127) - *l_sign += 128; - else - *l_sign -= 128; - } - } + gras_arches[r_arch].endian == gras_arches[GRAS_THISARCH].endian; + + XBT_DEBUG("Resize integer %d from %lu @%p to %lu @%p", + cpt, r_size, r_data, l_size, l_data); + xbt_assert(r_data != l_data, "Impossible to resize in place"); + + if (sizeChange < 0) { + XBT_DEBUG("Truncate %d bytes (%s,%s)", -sizeChange, + lowOrderFirst ? "lowOrderFirst" : "bigOrderFirst", + scal.encoding == + e_gras_dd_scalar_encoding_sint ? "signed" : "unsigned"); + /* Truncate high-order bytes. */ + memcpy(l_data, + gras_arches[r_arch].endian ? ((char *) r_data - sizeChange) + : r_data, l_size); + + if (scal.encoding == e_gras_dd_scalar_encoding_sint) { + XBT_DEBUG("This is signed"); + /* Make sure the high order bit of r_data and l_data are the same */ + l_sign = gras_arches[GRAS_THISARCH].endian + ? ((unsigned char *) l_data + l_size - 1) + : (unsigned char *) l_data; + r_sign = gras_arches[r_arch].endian + ? ((unsigned char *) r_data + r_size - 1) + : (unsigned char *) r_data; + XBT_DEBUG("This is signed (r_sign=%c l_sign=%c", *r_sign, *l_sign); + + if ((*r_sign > 127) != (*l_sign > 127)) { + if (*r_sign > 127) + *l_sign += 128; + else + *l_sign -= 128; + } + } } else { - DEBUG1("Extend %d bytes", sizeChange); - if (scal.encoding != e_gras_dd_scalar_encoding_sint) { - DEBUG0("This is signed"); - padding = 0; /* pad unsigned with 0 */ - } else { - /* extend sign */ - r_sign = gras_arches[r_arch].endian ? ((unsigned char*)r_data + r_size - 1) - : (unsigned char*)r_data; - padding = (*r_sign > 127) ? 0xff : 0; - } - - memset(l_data, padding, l_size); - memcpy(!gras_arches[r_arch].endian ? l_data : ((char *)l_data + sizeChange), - r_data, r_size); - - /* - fprintf(stderr,"r_data="); - for (cpt=0; cpt 127) ? 0xff : 0; + } + + if (l_size != 0) { + memset(l_data, padding, l_size); + } + memcpy(!gras_arches[r_arch].endian ? l_data + : ((char *) l_data + sizeChange), r_data, r_size); + + /* + fprintf(stderr,"r_data="); + for (cpt=0; cpt 1) { + if (gras_arches[r_arch].endian != gras_arches[GRAS_THISARCH].endian && + (l_size * count) > 1) { - for(cpt = 0, r_data=dst, l_data=dst; - cpt < count; - cpt++, - r_data = (char *)r_data + l_size, /* resizing already done */ - l_data = (char *)l_data + l_size) { + for (cpt = 0, r_data = dst, l_data = dst; cpt < count; cpt++, r_data = (char *) r_data + l_size, /* resizing already done */ + l_data = (char *) l_data + l_size) { - DEBUG1("Flip elm %d",cpt); + XBT_DEBUG("Flip elm %d", cpt); gras_dd_reverse_bytes(l_data, r_data, l_size); } } - return no_error; } -static void -gras_dd_reverse_bytes(void *to, - const void *from, - size_t length) { +static void gras_dd_reverse_bytes(void *to, const void *from, + size_t length) +{ char charBegin; const char *fromBegin; @@ -217,15 +247,11 @@ gras_dd_reverse_bytes(void *to, char *toBegin; char *toEnd; - for(fromBegin = (const char *)from, - fromEnd = fromBegin + length - 1, - toBegin = (char *)to, - toEnd = toBegin + length - 1; - - fromBegin <= fromEnd; - - fromBegin++, fromEnd--, - toBegin++, toEnd--) { + for (fromBegin = (const char *) from, + fromEnd = fromBegin + length - 1, + toBegin = (char *) to, + toEnd = toBegin + length - 1; + fromBegin <= fromEnd; fromBegin++, fromEnd--, toBegin++, toEnd--) { charBegin = *fromBegin; *toBegin = *fromEnd; @@ -239,7 +265,7 @@ gras_dd_reverse_bytes(void *to, * * returns the ID of the architecture the process is running on */ -int -gras_arch_selfid(void) { +int gras_arch_selfid(void) +{ return GRAS_THISARCH; }