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2000-04-17 Elena Zannoni <ezannoni@kwikemart.cygnus.com> 

* symfile.h (struct section_addr_info ): Remove fields for special
 	treatment of .text, .data and .bss sections.

	* solib.c (symbol_add_stub): The special field text_addr is not
 	available anymore. Search for the .text field the hard way.

	* symfile.c (build_section_addr_info_from_section_table): Don't
 	fill in {text, data, bss}_addr any more.
	(default_symfile_offsets): Don't use {text, data, bss}_addr fields
 	to fill in section_offsets for objfile.
	(syms_from_objfile): Don't deal with {text, data, bss}_addr as a
 	special case anymore.
        (add_symbol_file_command): Ditto.
This commit is contained in:
Elena Zannoni 2000-04-17 16:09:04 +00:00
parent 4da95fc42d
commit e7cf9df194
4 changed files with 31 additions and 87 deletions
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16
gdb/ChangeLog
View File

@ -1,3 +1,19 @@
2000-04-17 Elena Zannoni <ezannoni@kwikemart.cygnus.com>
* symfile.h (struct section_addr_info ): Remove fields for special
treatment of .text, .data and .bss sections.
* solib.c (symbol_add_stub): The special field text_addr is not
available anymore. Search for the .text field the hard way.
* symfile.c (build_section_addr_info_from_section_table): Don't
fill in {text, data, bss}_addr any more.
(default_symfile_offsets): Don't use {text, data, bss}_addr fields
to fill in section_offsets for objfile.
(syms_from_objfile): Don't deal with {text, data, bss}_addr as a
special case anymore.
(add_symbol_file_command): Ditto.
2000-04-17 Elena Zannoni <ezannoni@kwikemart.cygnus.com>
symfile.c: (symbol_file_command): Remove support for rombug, to

11
gdb/solib.c
View File

@ -1155,6 +1155,8 @@ symbol_add_stub (arg)
register struct so_list *so = (struct so_list *) arg; /* catch_errs bogon */
CORE_ADDR text_addr = 0;
struct section_addr_info *sap;
int i;
asection *text_section;
/* Have we already loaded this shared object? */
ALL_OBJFILES (so->objfile)
@ -1183,7 +1185,14 @@ symbol_add_stub (arg)
sap = build_section_addr_info_from_section_table (so->sections,
so->sections_end);
sap->text_addr = text_addr;
/* Look for the index for the .text section in the sap structure. */
text_section = bfd_get_section_by_name (so->abfd, ".text");
for (i = 0; i < MAX_SECTIONS && sap->other[i].name; i++)
if (sap->other[i].sectindex == text_section->index)
break;
sap->other[i].addr = text_addr;
so->objfile = symbol_file_add (so->so_name, so->from_tty,
sap, 0, OBJF_SHARED);
free_section_addr_info (sap);

87
gdb/symfile.c
View File

@ -478,13 +478,6 @@ build_section_addr_info_from_section_table (const struct section_table *start,
for (stp = start, oidx = 0; stp != end; stp++)
{
if (strcmp (stp->the_bfd_section->name, ".text") == 0)
sap->text_addr = stp->addr;
else if (strcmp (stp->the_bfd_section->name, ".data") == 0)
sap->data_addr = stp->addr;
else if (strcmp (stp->the_bfd_section->name, ".bss") == 0)
sap->bss_addr = stp->addr;
if (stp->the_bfd_section->flags & (SEC_ALLOC | SEC_LOAD)
&& oidx < MAX_SECTIONS)
{
@ -531,15 +524,6 @@ default_symfile_offsets (objfile, addrs)
obstack_alloc (&objfile->psymbol_obstack, SIZEOF_SECTION_OFFSETS);
memset (objfile->section_offsets, 0, SIZEOF_SECTION_OFFSETS);
/* If user explicitly specified values for data and bss, set them here. */
if (addrs->text_addr)
ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT) = addrs->text_addr;
if (addrs->data_addr)
ANOFFSET (objfile->section_offsets, SECT_OFF_DATA) = addrs->data_addr;
if (addrs->bss_addr)
ANOFFSET (objfile->section_offsets, SECT_OFF_BSS) = addrs->bss_addr;
/* Now calculate offsets for other sections. */
for (i = 0; i < MAX_SECTIONS && addrs->other[i].name; i++)
{
@ -635,14 +619,7 @@ syms_from_objfile (objfile, addrs, mainline, verbo)
We no longer warn if the lowest section is not a text segment (as
happens for the PA64 port. */
if (mainline)
{
/* No offset from objfile addresses. */
addrs -> text_addr = 0;
addrs -> data_addr = 0;
addrs -> bss_addr = 0;
}
else
if (!mainline)
{
/* Find lowest loadable section to be used as starting point for
continguous sections. FIXME!! won't work without call to find
@ -675,57 +652,17 @@ syms_from_objfile (objfile, addrs, mainline, verbo)
(the loadable section directly below it in memory).
this_offset = lower_offset = lower_addr - lower_orig_addr */
/* FIXME: These sections will not need special treatment because ALL
sections are in the other sections table */
if (addrs->text_addr != 0)
{
sect = bfd_get_section_by_name (objfile->obfd, ".text");
if (sect)
{
addrs->text_addr -= bfd_section_vma (objfile->obfd, sect);
lower_offset = addrs->text_addr;
}
}
else
/* ??? who's below me? */
addrs->text_addr = lower_offset;
if (addrs->data_addr != 0)
{
sect = bfd_get_section_by_name (objfile->obfd, ".data");
if (sect)
{
addrs->data_addr -= bfd_section_vma (objfile->obfd, sect);
lower_offset = addrs->data_addr;
}
}
else
addrs->data_addr = lower_offset;
if (addrs->bss_addr != 0)
{
sect = bfd_get_section_by_name (objfile->obfd, ".bss");
if (sect)
{
addrs->bss_addr -= bfd_section_vma (objfile->obfd, sect);
lower_offset = addrs->bss_addr;
}
}
else
addrs->bss_addr = lower_offset;
/* Now calculate offsets for other sections. */
/* Calculate offsets for sections. */
for (i=0 ; i < MAX_SECTIONS && addrs->other[i].name; i++)
{
if (addrs->other[i].addr != 0)
if (addrs->other[i].addr != 0)
{
sect=bfd_get_section_by_name(objfile->obfd, addrs->other[i].name);
sect = bfd_get_section_by_name (objfile->obfd, addrs->other[i].name);
if (sect)
{
addrs->other[i].addr -= bfd_section_vma (objfile->obfd, sect);
lower_offset = addrs->other[i].addr;
/* This is the index used by BFD. */
addrs->other[i].sectindex = sect->index ;
}
else
@ -782,13 +719,6 @@ syms_from_objfile (objfile, addrs, mainline, verbo)
CORE_ADDR s_addr = 0;
int i;
if (strcmp (s->the_bfd_section->name, ".text") == 0)
s_addr = addrs->text_addr;
else if (strcmp (s->the_bfd_section->name, ".data") == 0)
s_addr = addrs->data_addr;
else if (strcmp (s->the_bfd_section->name, ".bss") == 0)
s_addr = addrs->bss_addr;
else
for (i = 0;
!s_addr && i < MAX_SECTIONS && addrs->other[i].name;
i++)
@ -1615,13 +1545,6 @@ add_symbol_file_command (args, from_tty)
else
addr = strtoul (val, NULL, 10);
if (strcmp (sec, ".text") == 0)
section_addrs.text_addr = addr;
else if (strcmp (sec, ".data") == 0)
section_addrs.data_addr = addr;
else if (strcmp (sec, ".bss") == 0)
section_addrs.bss_addr = addr;
/* Here we store the section offsets in the order they were
entered on the command line. */
section_addrs.other[sec_num].name = sec;

4
gdb/symfile.h
View File

@ -64,10 +64,6 @@ struct psymbol_allocation_list
#define MAX_SECTIONS 40
struct section_addr_info
{
/* Sections whose names are always known to gdb. */
CORE_ADDR text_addr;
CORE_ADDR data_addr;
CORE_ADDR bss_addr;
/* Sections whose names are file format dependant. */
struct other_sections
{