gdb/
Code cleanup. * dwarf2read.c (per_cu_header_read_in): New function. (dwarf2_per_cu_addr_size, dwarf2_per_cu_offset_size): Use it, with new variables cu_header_local and cu_headerp.
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@ -1,3 +1,10 @@
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2011-10-09 Jan Kratochvil <jan.kratochvil@redhat.com>
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Code cleanup.
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* dwarf2read.c (per_cu_header_read_in): New function.
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(dwarf2_per_cu_addr_size, dwarf2_per_cu_offset_size): Use it, with new
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variables cu_header_local and cu_headerp.
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2011-10-09 Jan Kratochvil <jan.kratochvil@redhat.com>
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Fix initial language detection with -readnow.
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@ -15262,26 +15262,42 @@ dwarf2_per_cu_objfile (struct dwarf2_per_cu_data *per_cu)
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return objfile;
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}
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/* Return comp_unit_head for PER_CU, either already available in PER_CU->CU
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(CU_HEADERP is unused in such case) or prepare a temporary copy at
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CU_HEADERP first. */
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static const struct comp_unit_head *
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per_cu_header_read_in (struct comp_unit_head *cu_headerp,
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struct dwarf2_per_cu_data *per_cu)
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{
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struct objfile *objfile;
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struct dwarf2_per_objfile *per_objfile;
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gdb_byte *info_ptr;
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if (per_cu->cu)
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return &per_cu->cu->header;
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objfile = per_cu->objfile;
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per_objfile = objfile_data (objfile, dwarf2_objfile_data_key);
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info_ptr = per_objfile->info.buffer + per_cu->offset;
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memset (cu_headerp, 0, sizeof (*cu_headerp));
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read_comp_unit_head (cu_headerp, info_ptr, objfile->obfd);
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return cu_headerp;
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}
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/* Return the address size given in the compilation unit header for CU. */
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CORE_ADDR
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dwarf2_per_cu_addr_size (struct dwarf2_per_cu_data *per_cu)
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{
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if (per_cu->cu)
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return per_cu->cu->header.addr_size;
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else
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{
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/* If the CU is not currently read in, we re-read its header. */
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struct objfile *objfile = per_cu->objfile;
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struct dwarf2_per_objfile *per_objfile
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= objfile_data (objfile, dwarf2_objfile_data_key);
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gdb_byte *info_ptr = per_objfile->info.buffer + per_cu->offset;
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struct comp_unit_head cu_header;
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struct comp_unit_head cu_header_local;
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const struct comp_unit_head *cu_headerp;
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memset (&cu_header, 0, sizeof cu_header);
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read_comp_unit_head (&cu_header, info_ptr, objfile->obfd);
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return cu_header.addr_size;
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}
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cu_headerp = per_cu_header_read_in (&cu_header_local, per_cu);
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return cu_headerp->addr_size;
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}
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/* Return the offset size given in the compilation unit header for CU. */
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@ -15289,21 +15305,12 @@ dwarf2_per_cu_addr_size (struct dwarf2_per_cu_data *per_cu)
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int
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dwarf2_per_cu_offset_size (struct dwarf2_per_cu_data *per_cu)
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{
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if (per_cu->cu)
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return per_cu->cu->header.offset_size;
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else
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{
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/* If the CU is not currently read in, we re-read its header. */
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struct objfile *objfile = per_cu->objfile;
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struct dwarf2_per_objfile *per_objfile
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= objfile_data (objfile, dwarf2_objfile_data_key);
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gdb_byte *info_ptr = per_objfile->info.buffer + per_cu->offset;
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struct comp_unit_head cu_header;
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struct comp_unit_head cu_header_local;
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const struct comp_unit_head *cu_headerp;
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memset (&cu_header, 0, sizeof cu_header);
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read_comp_unit_head (&cu_header, info_ptr, objfile->obfd);
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return cu_header.offset_size;
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}
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cu_headerp = per_cu_header_read_in (&cu_header_local, per_cu);
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return cu_headerp->offset_size;
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}
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/* Return the text offset of the CU. The returned offset comes from
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