/* BFD backend for CRIS a.out binaries.
- Copyright (C) 2000 Free Software Foundation, Inc.
+ Copyright 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
Contributed by Axis Communications AB.
Written by Hans-Peter Nilsson.
functions. Beware; some of the information there is outdated. */
#define N_HEADER_IN_TEXT(x) 0
-#define BYTES_IN_WORD 4
#define N_TXTOFF(x) 32
#define ENTRY_CAN_BE_ZERO
#define TEXT_START_ADDR 0
+/* Without reading symbols to get the text start symbol, there is no way
+ to know where the text segment starts in an a.out file. Defaulting to
+ anything as constant as TEXT_START_ADDR is bad. But we can guess from
+ the entry point, which is usually within the first 64k of the text
+ segment. We also assume here that the text segment is 64k-aligned.
+ FIXME: It is also wrong to assume that data and bss follow immediately
+ after text, but with those, we don't have any choice besides reading
+ symbol info, and luckily there's no pressing need for correctness for
+ those vma:s at this time. */
+#define N_TXTADDR(x) ((x).a_entry & ~(bfd_vma) 0xffff)
+
/* If you change this to 4, you can not link to an address N*4+2. */
#define SEGMENT_SIZE 2
adata(abfd).zmagic_disk_block_size, even though the exec_header is
*not* included in the text segment. A simple workaround is to
#define ZMAGIC_DISK_BLOCK_SIZE, which is used if defined; otherwise
- TARGET_PAGE_SIZE is used. */
+ TARGET_PAGE_SIZE is used. */
#define ZMAGIC_DISK_BLOCK_SIZE N_TXTOFF (0)
/* It seems odd at first to set a page-size this low, but gives greater
/* The definition here seems not used; just provided as a convention. */
#define DEFAULT_ARCH bfd_arch_cris
-/* ??? Spacing might be essential for the parameters in this macro.
- Do Not Change. */
-#define MY(OP) CAT (cris_aout_,OP)
-#define NAME(x,y) CAT3(cris_aout,_32_,y)
+/* Do not "beautify" the CONCAT* macro args. Traditional C will not
+ remove whitespace added here, and thus will fail to concatenate
+ the tokens. */
+#define MY(OP) CONCAT2 (cris_aout_,OP)
+#define NAME(x, y) CONCAT3 (cris_aout,_32_,y)
#include "bfd.h"
#define MY_exec_hdr_flags 1
#define MY_write_object_contents MY(write_object_contents)
-static boolean MY(write_object_contents) PARAMS ((bfd *));
+static bfd_boolean MY(write_object_contents) PARAMS ((bfd *));
/* Forward this, so we can use a pointer to it in PARAMS. */
struct reloc_ext_external;
bfd_size_type));
#define MY_set_sizes MY(set_sizes)
-static boolean MY(set_sizes) PARAMS ((bfd *));
+static bfd_boolean MY(set_sizes) PARAMS ((bfd *));
/* To set back reloc_size to ext, we make MY(set_sizes) be called
through this construct. Note that MY_set_arch_mach is only called
#define MY_get_section_contents aout_32_get_section_contents
#endif
+#define MACHTYPE_OK(mtype) ((mtype) == M_CRIS)
+
/* Include generic functions (some are overridden above). */
#include "aout32.c"
#include "aout-target.h"
-
/* We need our own version to set header flags. */
-static boolean
+static bfd_boolean
MY(write_object_contents) (abfd)
bfd *abfd;
{
WRITE_HEADERS (abfd, execp);
- return true;
+ return TRUE;
}
-
/* We need our own for these reasons:
- - Assert that a normal 8, 16 or 32 reloc is output.
- - Fix what seems to be a weak-bug (perhaps there for valid reasons). */
+ - Assert that a normal 8, 16 or 32 reloc is output.
+ - Fix what seems to be a weak-bug (perhaps there for valid reasons). */
static void
MY(swap_ext_reloc_out) (abfd, g, natptr)
int r_index;
int r_extern;
unsigned int r_type;
- unsigned int r_addend;
+ bfd_vma r_addend;
asymbol *sym = *(g->sym_ptr_ptr);
asection *output_section = sym->section->output_section;
{
(*_bfd_error_handler) (_("%s: Invalid relocation type exported: %d"),
bfd_get_filename (abfd), r_type);
-
+
bfd_set_error (bfd_error_wrong_format);
}
PUT_WORD (abfd, r_addend, natptr->r_addend);
}
-
/* We need our own to assert that a normal 8, 16 or 32 reloc is input. */
static void
if (r_type > 2)
{
- (*_bfd_error_handler) (_("%s: Invalid relocation type imported: %d"),
- bfd_get_filename (abfd), r_type);
-
- bfd_set_error(bfd_error_wrong_format);
+ (*_bfd_error_handler) (_("%B: Invalid relocation type imported: %d"),
+ abfd, r_type);
+
+ bfd_set_error (bfd_error_wrong_format);
}
-
+
cache_ptr->howto = howto_table_ext + r_type;
if (r_extern && r_index > symcount)
{
(*_bfd_error_handler)
- (_("%s: Bad relocation record imported: %d"),
- bfd_get_filename (abfd), r_index);
-
+ (_("%B: Bad relocation record imported: %d"), abfd, r_index);
+
bfd_set_error (bfd_error_wrong_format);
/* We continue, so we can catch further errors. */
MOVE_ADDRESS (GET_SWORD (abfd, bytes->r_addend));
}
-
/* We use the same as the default, except that we also set
"obj_reloc_entry_size (abfd) = RELOC_EXT_SIZE;", to avoid changing
NAME (aout, set_arch_mach) in aoutx. */
-static boolean
+static bfd_boolean
MY(set_sizes) (abfd)
bfd *abfd;
{
target-specific things should not be added there. */
obj_reloc_entry_size (abfd) = RELOC_EXT_SIZE;
-
- return true;
+
+ return TRUE;
}
/*