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authorIan Lance Taylor <ian@airs.com>1993-12-06 21:12:48 +0000
committerIan Lance Taylor <ian@airs.com>1993-12-06 21:12:48 +0000
commit419093bc9c7d22cbcdcbfdabc777f2d134e95dfa (patch)
treec0fe7a20126dd62302b1484149a6e00b2aff985c /binutils
parent677070311e3ed38e7925ede25fc45e361a59f9d6 (diff)
downloadgdb-419093bc9c7d22cbcdcbfdabc777f2d134e95dfa.zip
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* nlmconv.c (long_options): Changed --header-info to --header-file
to match documentation and usage message.
Diffstat (limited to 'binutils')
-rw-r--r--binutils/ChangeLog5
-rw-r--r--binutils/nlmconv.c231
2 files changed, 215 insertions, 21 deletions
diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index 0dbf843..5ff8d36 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,8 @@
+Mon Dec 6 16:11:32 1993 Ian Lance Taylor (ian@tweedledumb.cygnus.com)
+
+ * nlmconv.c (long_options): Changed --header-info to --header-file
+ to match documentation and usage message.
+
Sun Dec 5 01:31:01 1993 Jeffrey A. Law (law@snake.cs.utah.edu)
* objdump.c (dump_relocs): Avoid dereferencing a NULL sym_ptr_ptr
diff --git a/binutils/nlmconv.c b/binutils/nlmconv.c
index f7375c7..1bf4853 100644
--- a/binutils/nlmconv.c
+++ b/binutils/nlmconv.c
@@ -41,6 +41,10 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "libnlm.h"
#include "nlmconv.h"
+/* Needed for Alpha support. */
+#include "coff/sym.h"
+#include "coff/ecoff.h"
+
/* If strerror is just a macro, we want to use the one from libiberty
since it will handle undefined values. */
#undef strerror
@@ -70,7 +74,7 @@ static asymbol **symbols;
/* The list of long options. */
static struct option long_options[] =
{
- { "header-info", required_argument, 0, 'T' },
+ { "header-file", required_argument, 0, 'T' },
{ "help", no_argument, 0, 'h' },
{ "input-format", required_argument, 0, 'I' },
{ "output-format", required_argument, 0, 'O' },
@@ -83,15 +87,21 @@ static struct option long_options[] =
static void show_help PARAMS ((void));
static void show_usage PARAMS ((FILE *, int));
static const char *select_output_format PARAMS ((enum bfd_architecture,
- long, boolean));
+ unsigned long, boolean));
static void setup_sections PARAMS ((bfd *, asection *, PTR));
static void copy_sections PARAMS ((bfd *, asection *, PTR));
-static void mangle_relocs PARAMS ((bfd *, asection *, arelent **,
+static void mangle_relocs PARAMS ((bfd *, asection *, arelent ***,
bfd_size_type *, char *,
bfd_size_type));
-static void i386_mangle_relocs PARAMS ((bfd *, asection *, arelent **,
+static void i386_mangle_relocs PARAMS ((bfd *, asection *, arelent ***,
bfd_size_type *, char *,
bfd_size_type));
+static void alpha_mangle_relocs PARAMS ((bfd *, asection *, arelent ***,
+ bfd_size_type *, char *,
+ bfd_size_type));
+static void default_mangle_relocs PARAMS ((bfd *, asection *, arelent ***,
+ bfd_size_type *, char *,
+ bfd_size_type));
/* The main routine. */
@@ -117,11 +127,11 @@ main (argc, argv)
boolean gotstart, gotexit, gotcheck;
struct stat st;
FILE *custom_data, *help_data, *message_data, *rpc_data, *shared_data;
- bfd_size_type custom_size, help_size, message_size, module_size, rpc_size;
+ size_t custom_size, help_size, message_size, module_size, rpc_size;
asection *custom_section, *help_section, *message_section, *module_section;
asection *rpc_section, *shared_section;
bfd *sharedbfd;
- bfd_size_type shared_offset, shared_size;
+ size_t shared_offset, shared_size;
Nlm_Internal_Fixed_Header sharedhdr;
int len;
char *modname;
@@ -750,13 +760,13 @@ main (argc, argv)
if (modules != NULL)
{
PTR data;
- char *set;
+ unsigned char *set;
struct string_list *l;
bfd_size_type c;
data = xmalloc (module_size);
c = 0;
- set = (char *) data;
+ set = (unsigned char *) data;
for (l = modules; l != NULL; l = l->next)
{
*set = strlen (l->string);
@@ -896,7 +906,7 @@ Usage: %s [-hV] [-I format] [-O format] [-T header-file]\n\
static const char *
select_output_format (arch, mach, bigendian)
enum bfd_architecture arch;
- long mach;
+ unsigned long mach;
boolean bigendian;
{
switch (arch)
@@ -905,6 +915,8 @@ select_output_format (arch, mach, bigendian)
return "nlm32-i386";
case bfd_arch_sparc:
return "nlm32-sparc";
+ case bfd_arch_alpha:
+ return "nlm32-alpha";
default:
fprintf (stderr, "%s: no default NLM format for %s\n",
program_name, bfd_printable_arch_mach (arch, mach));
@@ -930,6 +942,13 @@ setup_sections (inbfd, insec, data_ptr)
const char *outname;
asection *outsec;
+ /* FIXME: We don't want to copy the .reginfo section of an ECOFF
+ file. However, I don't have a good way to describe this section.
+ We do want to copy the section when using objcopy. */
+ if (bfd_get_flavour (inbfd) == bfd_target_ecoff_flavour
+ && strcmp (bfd_section_name (inbfd, insec), ".reginfo") == 0)
+ return;
+
f = bfd_get_section_flags (inbfd, insec);
if (f & SEC_CODE)
outname = NLM_CODE_NAME;
@@ -964,6 +983,8 @@ setup_sections (inbfd, insec, data_ptr)
if (! bfd_set_section_flags (outbfd, outsec, f))
bfd_fatal ("set section flags");
+
+ bfd_set_reloc (outbfd, outsec, (arelent **) NULL, 0);
}
/* Copy the section contents. */
@@ -980,6 +1001,13 @@ copy_sections (inbfd, insec, data_ptr)
PTR contents;
bfd_size_type reloc_size;
+ /* FIXME: We don't want to copy the .reginfo section of an ECOFF
+ file. However, I don't have a good way to describe this section.
+ We do want to copy the section when using objcopy. */
+ if (bfd_get_flavour (inbfd) == bfd_target_ecoff_flavour
+ && strcmp (bfd_section_name (inbfd, insec), ".reginfo") == 0)
+ return;
+
outsec = insec->output_section;
assert (outsec != NULL);
@@ -1002,17 +1030,33 @@ copy_sections (inbfd, insec, data_ptr)
}
reloc_size = bfd_get_reloc_upper_bound (inbfd, insec);
- if (reloc_size == 0)
- bfd_set_reloc (outbfd, outsec, (arelent **) NULL, 0);
- else
+ if (reloc_size != 0)
{
arelent **relocs;
bfd_size_type reloc_count;
relocs = (arelent **) xmalloc (reloc_size);
reloc_count = bfd_canonicalize_reloc (inbfd, insec, relocs, symbols);
- mangle_relocs (outbfd, insec, relocs, &reloc_count, (char *) contents,
+ mangle_relocs (outbfd, insec, &relocs, &reloc_count, (char *) contents,
size);
+
+ /* FIXME: refers to internal BFD fields. */
+ if (outsec->orelocation != (arelent **) NULL)
+ {
+ bfd_size_type total_count;
+ arelent **combined;
+
+ total_count = reloc_count + outsec->reloc_count;
+ combined = (arelent **) xmalloc (total_count * sizeof (arelent));
+ memcpy (combined, outsec->orelocation,
+ outsec->reloc_count * sizeof (arelent));
+ memcpy (combined + outsec->reloc_count, relocs,
+ (size_t) (reloc_count * sizeof (arelent)));
+ free (outsec->orelocation);
+ reloc_count = total_count;
+ relocs = combined;
+ }
+
bfd_set_reloc (outbfd, outsec, relocs, reloc_count);
}
@@ -1029,10 +1073,11 @@ copy_sections (inbfd, insec, data_ptr)
by the input formats. */
static void
-mangle_relocs (outbfd, insec, relocs, reloc_count_ptr, contents, contents_size)
+mangle_relocs (outbfd, insec, relocs_ptr, reloc_count_ptr, contents,
+ contents_size)
bfd *outbfd;
asection *insec;
- arelent **relocs;
+ arelent ***relocs_ptr;
bfd_size_type *reloc_count_ptr;
char *contents;
bfd_size_type contents_size;
@@ -1040,14 +1085,47 @@ mangle_relocs (outbfd, insec, relocs, reloc_count_ptr, contents, contents_size)
switch (bfd_get_arch (outbfd))
{
case bfd_arch_i386:
- i386_mangle_relocs (outbfd, insec, relocs, reloc_count_ptr, contents,
- contents_size);
+ i386_mangle_relocs (outbfd, insec, relocs_ptr, reloc_count_ptr,
+ contents, contents_size);
+ break;
+ case bfd_arch_alpha:
+ alpha_mangle_relocs (outbfd, insec, relocs_ptr, reloc_count_ptr,
+ contents, contents_size);
break;
default:
+ default_mangle_relocs (outbfd, insec, relocs_ptr, reloc_count_ptr,
+ contents, contents_size);
break;
}
}
+/* By default all we need to do for relocs is change the address by
+ the output_offset. */
+
+/*ARGSUSED*/
+static void
+default_mangle_relocs (outbfd, insec, relocs_ptr, reloc_count_ptr, contents,
+ contents_size)
+ bfd *outbfd;
+ asection *insec;
+ arelent ***relocs_ptr;
+ bfd_size_type *reloc_count_ptr;
+ char *contents;
+ bfd_size_type contents_size;
+{
+ if (insec->output_offset != 0)
+ {
+ bfd_size_type reloc_count;
+ register arelent **relocs;
+ register bfd_size_type i;
+
+ reloc_count = *reloc_count_ptr;
+ relocs = *relocs_ptr;
+ for (i = 0; i < reloc_count; i++, relocs++)
+ (*relocs)->address += insec->output_offset;
+ }
+}
+
/* NetWare on the i386 supports a restricted set of relocs, which are
different from those used on other i386 targets. This routine
converts the relocs. It is, obviously, very target dependent. At
@@ -1070,18 +1148,20 @@ static reloc_howto_type nlm_i386_pcrel_howto =
true); /* pcrel_offset */
static void
-i386_mangle_relocs (outbfd, insec, relocs, reloc_count_ptr, contents,
+i386_mangle_relocs (outbfd, insec, relocs_ptr, reloc_count_ptr, contents,
contents_size)
bfd *outbfd;
asection *insec;
- arelent **relocs;
+ arelent ***relocs_ptr;
bfd_size_type *reloc_count_ptr;
char *contents;
bfd_size_type contents_size;
{
bfd_size_type reloc_count, i;
+ arelent **relocs;
reloc_count = *reloc_count_ptr;
+ relocs = *relocs_ptr;
for (i = 0; i < reloc_count; i++)
{
arelent *rel;
@@ -1115,7 +1195,7 @@ i386_mangle_relocs (outbfd, insec, relocs, reloc_count_ptr, contents,
--*reloc_count_ptr;
--relocs;
memmove (relocs, relocs + 1,
- (reloc_count - i) * sizeof (arelent *));
+ (size_t) ((reloc_count - i) * sizeof (arelent *)));
continue;
}
@@ -1142,7 +1222,7 @@ i386_mangle_relocs (outbfd, insec, relocs, reloc_count_ptr, contents,
--*reloc_count_ptr;
--relocs;
memmove (relocs, relocs + 1,
- (reloc_count - i) * sizeof (arelent *));
+ (size_t) ((reloc_count - i) * sizeof (arelent *)));
continue;
}
@@ -1200,3 +1280,112 @@ i386_mangle_relocs (outbfd, insec, relocs, reloc_count_ptr, contents,
}
}
}
+
+/* On the Alpha the first reloc for every section must be a special
+ relocs which hold the GP address. Also, the first reloc in the
+ file must be a special reloc which holds the address of the .lita
+ section. */
+
+static reloc_howto_type nlm32_alpha_nw_howto =
+ HOWTO (ALPHA_R_NW_RELOC, /* type */
+ 0, /* rightshift */
+ 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ 0, /* special_function */
+ "NW_RELOC", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ false); /* pcrel_offset */
+
+/*ARGSUSED*/
+static void
+alpha_mangle_relocs (outbfd, insec, relocs_ptr, reloc_count_ptr, contents,
+ contents_size)
+ bfd *outbfd;
+ asection *insec;
+ register arelent ***relocs_ptr;
+ bfd_size_type *reloc_count_ptr;
+ char *contents;
+ bfd_size_type contents_size;
+{
+ bfd_size_type old_reloc_count;
+ arelent **old_relocs;
+ register arelent **relocs;
+
+ old_reloc_count = *reloc_count_ptr;
+ old_relocs = *relocs_ptr;
+ relocs = (arelent **) xmalloc ((old_reloc_count + 3) * sizeof (arelent *));
+ *relocs_ptr = relocs;
+
+ if (nlm_alpha_backend_data (outbfd)->lita_address == 0)
+ {
+ bfd *inbfd;
+ asection *lita_section;
+
+ inbfd = insec->owner;
+ lita_section = bfd_get_section_by_name (inbfd, _LITA);
+ if (lita_section != (asection *) NULL)
+ {
+ nlm_alpha_backend_data (outbfd)->lita_address =
+ bfd_get_section_vma (inbfd, lita_section);
+ nlm_alpha_backend_data (outbfd)->lita_size =
+ bfd_section_size (inbfd, lita_section);
+ }
+ else
+ {
+ /* Avoid outputting this reloc again. */
+ nlm_alpha_backend_data (outbfd)->lita_address = 4;
+ }
+
+ *relocs = (arelent *) xmalloc (sizeof (arelent));
+ (*relocs)->sym_ptr_ptr = bfd_abs_section.symbol_ptr_ptr;
+ (*relocs)->address = nlm_alpha_backend_data (outbfd)->lita_address;
+ (*relocs)->addend = nlm_alpha_backend_data (outbfd)->lita_size + 1;
+ (*relocs)->howto = &nlm32_alpha_nw_howto;
+ ++relocs;
+ ++(*reloc_count_ptr);
+ }
+
+ /* Get the GP value from bfd. It is in the .reginfo section. */
+ if (nlm_alpha_backend_data (outbfd)->gp == 0)
+ {
+ bfd *inbfd;
+ asection *reginfo_sec;
+ struct ecoff_reginfo sreginfo;
+
+ inbfd = insec->owner;
+ assert (bfd_get_flavour (inbfd) == bfd_target_ecoff_flavour);
+ reginfo_sec = bfd_get_section_by_name (inbfd, REGINFO);
+ if (reginfo_sec != (asection *) NULL
+ && bfd_get_section_contents (inbfd, reginfo_sec,
+ (PTR) &sreginfo, (file_ptr) 0,
+ sizeof sreginfo) != false)
+ nlm_alpha_backend_data (outbfd)->gp = sreginfo.gp_value;
+ }
+
+ *relocs = (arelent *) xmalloc (sizeof (arelent));
+ (*relocs)->sym_ptr_ptr = bfd_abs_section.symbol_ptr_ptr;
+ (*relocs)->address = nlm_alpha_backend_data (outbfd)->gp;
+ (*relocs)->addend = 0;
+ (*relocs)->howto = &nlm32_alpha_nw_howto;
+ ++relocs;
+ ++(*reloc_count_ptr);
+
+ memcpy ((PTR) relocs, (PTR) old_relocs,
+ (size_t) old_reloc_count * sizeof (arelent *));
+ relocs[old_reloc_count] = (arelent *) NULL;
+
+ free (old_relocs);
+
+ if (insec->output_offset != 0)
+ {
+ register bfd_size_type i;
+
+ for (i = 0; i < old_reloc_count; i++, relocs++)
+ (*relocs)->address += insec->output_offset;
+ }
+}