2    Copyright (C) 2009-2010 Red Hat, Inc.
3    This file is part of elfutils.
5    This file is free software; you can redistribute it and/or modify
34 #include "encoded-value.h"
45   if (cie1->offset < cie2->offset)  in compare_cie()
46     return -1;  in compare_cie()
47   if (cie1->offset > cie2->offset)  in compare_cie()
54 intern_new_cie (Dwarf_CFI *cache, Dwarf_Off offset, const Dwarf_CIE *info)  in intern_new_cie()  argument
63   cie->offset = offset;  in intern_new_cie()
64   cie->code_alignment_factor = info->code_alignment_factor;  in intern_new_cie()
65   cie->data_alignment_factor = info->data_alignment_factor;  in intern_new_cie()
66   cie->return_address_register = info->return_address_register;  in intern_new_cie()
68   cie->fde_augmentation_data_size = 0;  in intern_new_cie()
69   cie->sized_augmentation_data = false;  in intern_new_cie()
70   cie->signal_frame = false;  in intern_new_cie()
72   cie->fde_encoding = DW_EH_PE_absptr;  in intern_new_cie()
73   cie->lsda_encoding = DW_EH_PE_omit;  in intern_new_cie()
76   const uint8_t *data = info->augmentation_data;  in intern_new_cie()
77   for (const char *ap = info->augmentation; *ap != '\0'; ++ap)  in intern_new_cie()
83 	  cie->sized_augmentation_data = true;  in intern_new_cie()
87 	  cie->signal_frame = true;  in intern_new_cie()
91 	  cie->lsda_encoding = *data++;  in intern_new_cie()
92 	  if (!cie->sized_augmentation_data)  in intern_new_cie()
93 	    cie->fde_augmentation_data_size  in intern_new_cie()
94 	      += encoded_value_size (&cache->data->d, cache->e_ident,  in intern_new_cie()
95 				     cie->lsda_encoding, NULL);  in intern_new_cie()
99 	  cie->fde_encoding = *data++;  in intern_new_cie()
104 	  data += encoded_value_size (&cache->data->d, cache->e_ident,  in intern_new_cie()
111 	  if (cie->sized_augmentation_data)  in intern_new_cie()
118   if ((cie->fde_encoding & 0x0f) == DW_EH_PE_absptr)  in intern_new_cie()
125 	= cache->e_ident[EI_CLASS] == ELFCLASS32 ? 4 : 8;  in intern_new_cie()
129 	  cie->fde_encoding |= DW_EH_PE_udata8;  in intern_new_cie()
132 	  cie->fde_encoding |= DW_EH_PE_udata4;  in intern_new_cie()
142   cie->initial_instructions = info->initial_instructions;  in intern_new_cie()
143   cie->initial_instructions_end = info->initial_instructions_end;  in intern_new_cie()
144   cie->initial_state = NULL;  in intern_new_cie()
146   /* Add the new entry to the search tree.  */  in intern_new_cie()
147   if (tsearch (cie, &cache->cie_tree, &compare_cie) == NULL)  in intern_new_cie()
160 __libdw_find_cie (Dwarf_CFI *cache, Dwarf_Off offset)  in __libdw_find_cie()  argument
163   struct dwarf_cie **found = tfind (&cie_key, &cache->cie_tree, &compare_cie);  in __libdw_find_cie()
169   Dwarf_CFI_Entry entry;  in __libdw_find_cie()  local
170   int result = INTUSE(dwarf_next_cfi) (cache->e_ident,  in __libdw_find_cie()
171 				       &cache->data->d, CFI_IS_EH (cache),  in __libdw_find_cie()
172 				       offset, &next_offset, &entry);  in __libdw_find_cie()
173   if (result != 0 || entry.cie.CIE_id != DW_CIE_ID_64)  in __libdw_find_cie()
180   if (cache->next_offset == offset)  in __libdw_find_cie()
181     cache->next_offset = next_offset;  in __libdw_find_cie()
183   return intern_new_cie (cache, offset, &entry.cie);  in __libdw_find_cie()
189 __libdw_intern_cie (Dwarf_CFI *cache, Dwarf_Off offset, const Dwarf_CIE *info)  in __libdw_intern_cie()  argument
192   struct dwarf_cie **found = tfind (&cie_key, &cache->cie_tree, &compare_cie);  in __libdw_intern_cie()
195     (void) intern_new_cie (cache, offset, info);  in __libdw_intern_cie()