X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=ltt%2Fbranches%2Fpoly%2Fltt%2Ftype.c;h=4b09e3f79142b64312cd84e9085b70b91d847bb6;hb=950683f4336b19c3515f8cfee942be9959cd2214;hp=b34627c1c7c694bd960d631e26243892b36d90f4;hpb=62c72abfe4ed5176c2dc5f10ccd354bf8a560d4d;p=lttv.git diff --git a/ltt/branches/poly/ltt/type.c b/ltt/branches/poly/ltt/type.c index b34627c1..4b09e3f7 100644 --- a/ltt/branches/poly/ltt/type.c +++ b/ltt/branches/poly/ltt/type.c @@ -1,16 +1,47 @@ +/* This file is part of the Linux Trace Toolkit viewer + * Copyright (C) 2003-2004 Xiangxiu Yang, Mathieu Desnoyers + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License Version 2 as + * published by the Free Software Foundation; + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, + * MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +#include +#endif + #include +#include -#include #include "parser.h" +#include +#include "ltt-private.h" #include static unsigned intSizes[] = { sizeof(int8_t), sizeof(int16_t), sizeof(int32_t), sizeof(int64_t), sizeof(short) }; +typedef enum _intSizesNames { SIZE_INT8, SIZE_INT16, SIZE_INT32, + SIZE_INT64, SIZE_SHORT, INT_SIZES_NUMBER } + intSizesNames; + + static unsigned floatSizes[] = { 0, 0, sizeof(float), sizeof(double), 0, sizeof(float), sizeof(double) }; +#define FLOAT_SIZES_NUMBER 7 + /***************************************************************************** *Function name @@ -18,10 +49,10 @@ static unsigned floatSizes[] = { *Input params * et : an event type *Return value - * char * : the name of the event type + * GQuark : the name of the event type ****************************************************************************/ -char *ltt_eventtype_name(LttEventType *et) +GQuark ltt_eventtype_name(LttEventType *et) { return et->name; } @@ -35,7 +66,7 @@ char *ltt_eventtype_name(LttEventType *et) * char * : the description of the event type ****************************************************************************/ -char *ltt_eventtype_description(LttEventType *et) +gchar *ltt_eventtype_description(LttEventType *et) { return et->description; } @@ -54,34 +85,18 @@ LttFacility *ltt_eventtype_facility(LttEventType *et) return et->facility; } -/***************************************************************************** - *Function name - * ltt_eventtype_relative_id : get the relative id of the event type - *Input params - * et : an event type - *Return value - * unsigned * : the relative id - ****************************************************************************/ - -unsigned *ltt_eventtype_relative_id(LttEventType *et) -{ - return (unsigned*)&et->index; -} - /***************************************************************************** *Function name * ltt_eventtype_id : get the id of the event type *Input params * et : an event type *Return value - * unsigned * : the id + * unsigned : the id ****************************************************************************/ -unsigned *ltt_eventtype_id(LttEventType *et) +guint8 ltt_eventtype_id(LttEventType *et) { - unsigned *id = g_new(unsigned,1); - *id = et->facility->base_id + et->index; - return (unsigned*)id; + return et->index; } /***************************************************************************** @@ -95,7 +110,8 @@ unsigned *ltt_eventtype_id(LttEventType *et) LttType *ltt_eventtype_type(LttEventType *et) { - return et->root_field->field_type; + if(unlikely(!et->root_field)) return NULL; + else return et->root_field->field_type; } /***************************************************************************** @@ -121,7 +137,7 @@ LttField *ltt_eventtype_field(LttEventType *et) * char * : the name of the type ****************************************************************************/ -char *ltt_type_name(LttType *t) +GQuark ltt_type_name(LttType *t) { return t->element_name; } @@ -143,41 +159,58 @@ LttTypeEnum ltt_type_class(LttType *t) /***************************************************************************** *Function name * ltt_type_size : obtain the type size. The size is the number of bytes - * for primitive types (INT, UINT, FLOAT, ENUM), or the - * size for the unsigned integer length count for sequences + * for primitive types (INT, UINT, FLOAT, ENUM) + * or the size for the unsigned integer length count for + * sequences *Input params * tf : trace file * t : a type *Return value - * unsigned : the type size + * : the type size + * returns 0 if erroneous, and show a critical warning message. ****************************************************************************/ -unsigned ltt_type_size(LttTrace * trace, LttType *t) +size_t ltt_type_size(LttTrace * trace, LttType *t) { - if(t->type_class==LTT_STRUCT || t->type_class==LTT_ARRAY || - t->type_class==LTT_STRING) return 0; - - if(t->type_class == LTT_FLOAT){ - return floatSizes[t->size]; - }else{ - if(t->size < sizeof(intSizes)/sizeof(unsigned)) - return intSizes[t->size]; - else{ - LttArchSize size = trace->system_description->size; - if(size == LTT_LP32){ - if(t->size == 5)return sizeof(int16_t); - else return sizeof(int32_t); - } - else if(size == LTT_ILP32 || size == LTT_LP64){ - if(t->size == 5)return sizeof(int32_t); - else{ - if(size == LTT_ILP32) return sizeof(int32_t); - else return sizeof(int64_t); - } - } - else if(size == LTT_ILP64)return sizeof(int64_t); - } + size_t size; + + switch(t->type_class) { + + case LTT_INT: + case LTT_UINT: + case LTT_SEQUENCE: + case LTT_ENUM: + if(likely(t->size < INT_SIZES_NUMBER)) + size = intSizes[t->size]; + else + goto error; + break; + case LTT_FLOAT: + if(likely(t->size < FLOAT_SIZES_NUMBER)) + size = floatSizes[t->size]; + else + goto error; + break; + case LTT_POINTER: + case LTT_LONG: + case LTT_ULONG: + case LTT_SIZE_T: + case LTT_SSIZE_T: + case LTT_OFF_T: + case LTT_STRING: + case LTT_ARRAY: + case LTT_STRUCT: + case LTT_UNION: + goto error; + break; } + + return size; + + +error: + g_warning("no size known for the type"); + return 0; } /***************************************************************************** @@ -192,9 +225,14 @@ unsigned ltt_type_size(LttTrace * trace, LttType *t) LttType *ltt_type_element_type(LttType *t) { - if(t->type_class != LTT_ARRAY && t->type_class != LTT_SEQUENCE) - return NULL; - return t->element_type[0]; + LttType *element_type; + + if(unlikely(t->type_class != LTT_ARRAY && t->type_class != LTT_SEQUENCE)) + element_type = NULL; + else + element_type = t->element_type[0]; + + return element_type; } /***************************************************************************** @@ -208,9 +246,12 @@ LttType *ltt_type_element_type(LttType *t) unsigned ltt_type_element_number(LttType *t) { - if(t->type_class != LTT_ARRAY) - return 0; - return t->element_number; + unsigned ret = 0; + + if(likely(t->type_class == LTT_ARRAY)) + ret = t->element_number; + + return ret; } /***************************************************************************** @@ -224,14 +265,18 @@ unsigned ltt_type_element_number(LttType *t) unsigned ltt_type_member_number(LttType *t) { - if(t->type_class != LTT_STRUCT && t->type_class != LTT_UNION) - return 0; - return t->element_number; + unsigned ret = 0; + + if(likely(t->type_class == LTT_STRUCT || t->type_class == LTT_UNION)) + ret =t->element_number; + + return ret; } /***************************************************************************** *Function name - * ltt_type_member_type : obtain the type of a data members in a structure + * ltt_type_member_type : obtain the type of a data member in a structure + * or union. *Input params * t : a type * i : index of the member @@ -239,11 +284,22 @@ unsigned ltt_type_member_number(LttType *t) * LttType * : the type of structure member ****************************************************************************/ -LttType *ltt_type_member_type(LttType *t, unsigned i) +LttType *ltt_type_member_type(LttType *t, unsigned i, GQuark *name) { - if(t->type_class != LTT_STRUCT) return NULL; - if(i >= t->element_number || i < 0 ) return NULL; - return t->element_type[i]; + LttType *member_type = NULL; + + if(unlikely( (t->type_class != LTT_STRUCT + && t->type_class != LTT_UNION) + || + (i >= t->element_number) + )) { + *name = 0; + } else { + *name = t->element_type[i]->element_name; + member_type = t->element_type[i]; + } + + return member_type; } /***************************************************************************** @@ -258,11 +314,12 @@ LttType *ltt_type_member_type(LttType *t, unsigned i) * char * : symbolic string associated with a value ****************************************************************************/ -char *ltt_enum_string_get(LttType *t, unsigned i) -{ - if(t->type_class != LTT_ENUM) return NULL; - if(i >= t->element_number || i < 0 ) return NULL; - return t->enum_strings[i]; +GQuark ltt_enum_string_get(LttType *t, unsigned i) +{ + if(likely(t->type_class == LTT_ENUM && i < t->element_number)) + return t->enum_strings[i]; + else + return 0; } /***************************************************************************** @@ -277,16 +334,18 @@ char *ltt_enum_string_get(LttType *t, unsigned i) LttField *ltt_field_element(LttField *f) { - if(f->field_type->type_class != LTT_ARRAY && - f->field_type->type_class != LTT_SEQUENCE) - return NULL; + LttField *nest = NULL; + + if(likely(f->field_type->type_class == LTT_ARRAY || + f->field_type->type_class == LTT_SEQUENCE)) + nest = f->child[0]; - return f->child[0]; + return nest; } /***************************************************************************** *Function name - * ltt_field_member : obtain the filed of data members for structure + * ltt_field_member : obtain the field of data members for structure *Input params * f : a field * i : index of member field @@ -296,9 +355,21 @@ LttField *ltt_field_element(LttField *f) LttField *ltt_field_member(LttField *f, unsigned i) { - if(f->field_type->type_class != LTT_STRUCT) return NULL; - if(i < 0 || i >= f->field_type->element_number) return NULL; - return f->child[i]; + LttField *field_member; + + g_assert(f->field_type->type_class == LTT_STRUCT || + f->field_type->type_class == LTT_UNION); + g_assert(i < f->field_type->element_number); +#if 0 + if(unlikely( f->field_type->type_class != LTT_STRUCT + && f->field_type->type_class != LTT_UNION) + || i >= f->field_type->element_number ) + field_member = NULL; + else +#endif //0 + field_member = f->child[i]; + + return field_member; } /***************************************************************************** @@ -312,6 +383,12 @@ LttField *ltt_field_member(LttField *f, unsigned i) LttType *ltt_field_type(LttField *f) { + if(unlikely(!f))return NULL; return f->field_type; } +int ltt_field_size(LttField * f) +{ + if(unlikely(!f))return 0; + return f->field_size; +}