aboutsummaryrefslogtreecommitdiff
path: root/bfd/elf.c
diff options
context:
space:
mode:
authorDavid Edelsohn <dje.gcc@gmail.com>1996-09-09 22:59:40 +0000
committerDavid Edelsohn <dje.gcc@gmail.com>1996-09-09 22:59:40 +0000
commitf0c12b73402e181fed2ac4e3911f8754004d08e6 (patch)
tree8c6a4edbbc2c985f743c08cac72d7f29e9a7096f /bfd/elf.c
parent2254cd90a9ce9460303b2585574b4bb219142bf4 (diff)
downloadgdb-f0c12b73402e181fed2ac4e3911f8754004d08e6.zip
gdb-f0c12b73402e181fed2ac4e3911f8754004d08e6.tar.gz
gdb-f0c12b73402e181fed2ac4e3911f8754004d08e6.tar.bz2
* config.bfd,configure.in,configure: Add m32r support.
* Makefile.in,archures.c,elf.c,targets.c: Likewise.
Diffstat (limited to 'bfd/elf.c')
-rw-r--r--bfd/elf.c36
1 files changed, 29 insertions, 7 deletions
diff --git a/bfd/elf.c b/bfd/elf.c
index 4978957..dd5527f 100644
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -212,6 +212,15 @@ _bfd_elf_make_section_from_shdr (abfd, hdr, name)
|| strncmp (name, ".stab", sizeof ".stab" - 1) == 0)
flags |= SEC_DEBUGGING;
+ /* As a GNU extension, if the name begins with .gnu.linkonce, we
+ only link a single copy of the section. This is used to support
+ g++. g++ will emit each template expansion in its own section.
+ The symbols will be defined as weak, so that multiple definitions
+ are permitted. The GNU linker extension is to actually discard
+ all but one of the sections. */
+ if (strncmp (name, ".gnu.linkonce", sizeof ".gnu.linkonce" - 1) == 0)
+ flags |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD;
+
if (! bfd_set_section_flags (abfd, newsect, flags))
return false;
@@ -1779,13 +1788,6 @@ map_sections_to_segments (abfd)
segment. */
new_segment = true;
}
- else if ((abfd->flags & D_PAGED) == 0)
- {
- /* If the file is not demand paged, which means that we
- don't require the sections to be correctly aligned in the
- file, then there is no other reason for a new segment. */
- new_segment = false;
- }
else if (BFD_ALIGN (last_hdr->lma + last_hdr->_raw_size, maxpagesize)
< hdr->lma)
{
@@ -1793,6 +1795,13 @@ map_sections_to_segments (abfd)
skip a page in the segment, then we need a new segment. */
new_segment = true;
}
+ else if ((abfd->flags & D_PAGED) == 0)
+ {
+ /* If the file is not demand paged, which means that we
+ don't require the sections to be correctly aligned in the
+ file, then there is no other reason for a new segment. */
+ new_segment = false;
+ }
else if ((last_hdr->flags & SEC_LOAD) == 0
&& (hdr->flags & SEC_LOAD) != 0)
{
@@ -2487,16 +2496,29 @@ prep_headers (abfd)
case bfd_arch_alpha:
i_ehdrp->e_machine = EM_ALPHA;
break;
+ case bfd_arch_sh:
+ i_ehdrp->e_machine = EM_SH;
+ break;
/* start-sanitize-d10v */
case bfd_arch_d10v:
i_ehdrp->e_machine = EM_CYGNUS_D10V;
break;
/* end-sanitize-d10v */
+/* start-sanitize-v850 */
+ case bfd_arch_v850:
+ i_ehdrp->e_machine = EM_CYGNUS_V850;
+ break;
+/* end-sanitize-v850 */
/* start-sanitize-arc */
case bfd_arch_arc:
i_ehdrp->e_machine = EM_CYGNUS_ARC;
break;
/* end-sanitize-arc */
+/* start-sanitize-m32r */
+ case bfd_arch_m32r:
+ i_ehdrp->e_machine = EM_CYGNUS_M32R;
+ break;
+/* end-sanitize-m32r */
/* also note that EM_M32, AT&T WE32100 is unknown to bfd */
default:
i_ehdrp->e_machine = EM_NONE;