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Diffstat (limited to 'bfd/coff-rs6000.c')
-rw-r--r--bfd/coff-rs6000.c246
1 files changed, 17 insertions, 229 deletions
diff --git a/bfd/coff-rs6000.c b/bfd/coff-rs6000.c
index 44cbfda..8ee70d6 100644
--- a/bfd/coff-rs6000.c
+++ b/bfd/coff-rs6000.c
@@ -33,8 +33,8 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "sysdep.h"
#include "libbfd.h"
#include "obstack.h"
-#include "internalcoff.h"
-#include "coff-rs6000.h"
+#include "coff/internal.h"
+#include "coff/rs6000.h"
#include "libcoff.h"
/* The main body of code is in coffcode.h. */
@@ -234,7 +234,8 @@ rs6000coff_archive_p (abfd)
/*
* bfd_ardata() accesses the bfd->tdata field.
*/
- abfd->tdata = (void *) bfd_zalloc(abfd, sizeof (*art) + sizeof (hdr));
+ abfd->tdata.aout_ar_data =
+ (void *) bfd_zalloc(abfd, sizeof (*art) + sizeof (hdr));
if ((art = bfd_ardata (abfd)) == NULL) {
bfd_error = no_memory;
return 0;
@@ -292,7 +293,11 @@ rs6000coff_write_armap (arch, elength, map, orl_count, stridx)
}
#endif /* ARCHIVES_PLEASE */
-#ifdef COREFILES_PLEASE
+
+#ifdef COREFILES_PLEASE
+extern bfd_target * rs6000coff_core_p ();
+extern boolean rs6000coff_get_section_contents ();
+extern boolean rs6000coff_core_file_matches_executable_p ();
#undef coff_core_file_matches_executable_p
#define coff_core_file_matches_executable_p \
@@ -300,232 +305,8 @@ rs6000coff_write_armap (arch, elength, map, orl_count, stridx)
#undef coff_get_section_contents
#define coff_get_section_contents rs6000coff_get_section_contents
-
-
-/* AOUTHDR is defined by the above. We need another defn of it, from the
- system include files. Punt the old one and get us a new name for the
- typedef in the system include files. */
-#ifdef AOUTHDR
-#undef AOUTHDR
#endif
-#define AOUTHDR second_AOUTHDR
-
-#undef SCNHDR
-
-
-/* ------------------------------------------------------------------------ */
-/* Support for core file stuff.. */
-/* ------------------------------------------------------------------------ */
-
-#include <sys/user.h>
-#include <sys/ldr.h>
-#include <sys/core.h>
-
-
-/* Number of special purpose registers supported by gdb. This value
- should match `tm.h' in gdb directory. Clean this mess up and use
- the macros in sys/reg.h. FIXMEmgo. */
-
-#define NUM_OF_SPEC_REGS 7
-#define STACK_END_ADDR 0x2ff80000
-
-#define core_hdr(bfd) (((Rs6kCorData*)(bfd->tdata))->hdr)
-#define core_datasec(bfd) (((Rs6kCorData*)(bfd->tdata))->data_section)
-#define core_stacksec(bfd) (((Rs6kCorData*)(bfd->tdata))->stack_section)
-#define core_regsec(bfd) (((Rs6kCorData*)(bfd->tdata))->reg_section)
-#define core_reg2sec(bfd) (((Rs6kCorData*)(bfd->tdata))->reg2_section)
-
-/* These are stored in the bfd's tdata */
-typedef struct {
- struct core *hdr; /* core file header */
- asection *data_section,
- *stack_section,
- *reg_section, /* section for GPRs and special registers. */
- *reg2_section; /* section for FPRs. */
-} Rs6kCorData;
-
-/* Decide if a given bfd represents a `core' file or not. There really is no
- magic number or anything like, in rs6000coff. */
-
-static bfd_target *
-rs6000coff_core_p (abfd)
- bfd *abfd;
-{
- int fd;
- struct core_dump coredata;
- struct stat statbuf;
- char *tmpptr;
-
- /* Use bfd_xxx routines, rather than O/S primitives to read coredata. FIXMEmgo */
- fd = open (abfd->filename, O_RDONLY);
-
- fstat (fd, &statbuf);
- read (fd, &coredata, sizeof (struct core_dump));
-
- close (fd);
-
- if (coredata.c_tab < (sizeof (coredata.c_u) + (int)&coredata.c_u - (int)&coredata.c_signo) ||
- coredata.c_tab >= statbuf.st_size ||
- (long)coredata.c_stack <= (long)coredata.c_tab ) {
- return NULL;
- }
-
-/*
- If it looks like core file, then.....
- read core file header..... (maybe you've done it above..)
-*/
-
- /* maybe you should alloc space for the whole core chunk over here!! FIXMEmgo */
- tmpptr = (char*)bfd_zalloc (abfd, sizeof (Rs6kCorData));
- set_tdata (abfd, tmpptr);
-
- /* .stack section. */
- if ((core_stacksec (abfd) = (asection*) bfd_zalloc (abfd, sizeof (asection)))
- == NULL) {
- bfd_error = no_memory;
- /* bfd_release (abfd, ???? ) */
- return NULL;
- }
- core_stacksec (abfd)->name = ".stack";
- core_stacksec (abfd)->flags = SEC_ALLOC + SEC_LOAD;
- core_stacksec (abfd)->size = coredata.c_size;
- core_stacksec (abfd)->vma = STACK_END_ADDR - coredata.c_size;
- core_stacksec (abfd)->filepos = coredata.c_stack; /*???? */
-
- /* .reg section for GPRs and special registers. */
- if ((core_regsec (abfd) = (asection*) bfd_zalloc (abfd, sizeof (asection)))
- == NULL) {
- bfd_error = no_memory;
- /* bfd_release (abfd, ???? ) */
- return NULL;
- }
- core_regsec (abfd)->name = ".reg";
- core_regsec (abfd)->flags = SEC_ALLOC;
- core_regsec (abfd)->size = (32 + NUM_OF_SPEC_REGS) * 4;
- core_regsec (abfd)->vma = NULL; /* not used?? */
- core_regsec (abfd)->filepos =
- (char*)&coredata.c_u.u_save - (char*)&coredata;
-
- /* .reg2 section for FPRs (floating point registers). */
- if ((core_reg2sec (abfd) = (asection*) bfd_zalloc (abfd, sizeof (asection)))
- == NULL) {
- bfd_error = no_memory;
- /* bfd_release (abfd, ???? ) */
- return NULL;
- }
- core_reg2sec (abfd)->name = ".reg2";
- core_reg2sec (abfd)->flags = SEC_ALLOC;
- core_reg2sec (abfd)->size = 8 * 32; /* 32 FPRs. */
- core_reg2sec (abfd)->vma = NULL; /* not used?? */
- core_reg2sec (abfd)->filepos =
- (char*)&coredata.c_u.u_save.fpr[0] - (char*)&coredata;
-
- /* set up section chain here. */
- abfd->section_count = 3;
- abfd->sections = core_stacksec (abfd);
- core_stacksec (abfd)->next = core_regsec(abfd);
- core_regsec (abfd)->next = core_reg2sec (abfd);
- core_reg2sec (abfd)->next = NULL;
-
- return abfd->xvec; /* this is garbage for now. */
-}
-
-
-
-/* return `true' if given core is from the given executable.. */
-static boolean
-rs6000coff_core_file_matches_executable_p (core_bfd, exec_bfd)
- bfd *core_bfd;
- bfd *exec_bfd;
-{
- FILE *fd;
- struct core_dump coredata;
- struct ld_info ldinfo;
- char pathname [1024];
- char *str1, *str2;
-
- /* Use bfd_xxx routines, rather than O/S primitives, do error checking!!
- FIXMEmgo */
- fd = fopen (core_bfd->filename, "r");
-
- fread (&coredata, sizeof (struct core_dump), 1, fd);
- fseek (fd, (long)coredata.c_tab, 0);
- fread (&ldinfo, (char*)&ldinfo.ldinfo_filename[0] - (char*)&ldinfo.ldinfo_next,
- 1, fd);
- fscanf (fd, "%s", pathname);
- printf ("path: %s\n", pathname);
-
- str1 = strrchr (pathname, '/');
- str2 = strrchr (exec_bfd->filename, '/');
-
- /* step over character '/' */
- str1 = str1 ? str1+1 : &pathname[0];
- str2 = str2 ? str2+1 : exec_bfd->filename;
-
- fclose (fd);
- return strcmp (str1, str2);
-}
-
-
-static boolean
-rs6000coff_get_section_contents (abfd, section, location, offset, count)
- bfd *abfd;
- sec_ptr section;
- PTR location;
- file_ptr offset;
- int count;
-{
- if (count == 0)
- return true;
-
- /* Reading a core file's sections will be slightly different. For the
- rest of them we can use bfd_generic_get_section_contents () I suppose. */
- /* Make sure this routine works for any bfd and any section. FIXMEmgo. */
-
- if (abfd->format == bfd_core && strcmp (section->name, ".reg") == 0) {
-
- struct mstsave mstatus;
- int regoffset = (char*)&mstatus.gpr[0] - (char*)&mstatus;
-
- /* Assert that the only way this code will be executed is reading the
- whole section. */
- if (offset || count != (sizeof(mstatus.gpr) + (4 * NUM_OF_SPEC_REGS)))
- printf ("ERROR! in rs6000coff_get_section_contents()\n");
-
- /* for `.reg' section, `filepos' is a pointer to the `mstsave' structure
- in the core file. */
-
- /* read GPR's into the location. */
- if ( bfd_seek(abfd, section->filepos + regoffset, SEEK_SET) == -1
- || bfd_read(location, sizeof (mstatus.gpr), 1, abfd) != sizeof (mstatus.gpr))
- return (false); /* on error */
-
- /* increment location to the beginning of special registers in the section,
- reset register offset value to the beginning of first special register
- in mstsave structure, and read special registers. */
-
- location = (PTR) ((char*)location + sizeof (mstatus.gpr));
- regoffset = (char*)&mstatus.iar - (char*)&mstatus;
-
- if ( bfd_seek(abfd, section->filepos + regoffset, SEEK_SET) == -1
- || bfd_read(location, 4 * NUM_OF_SPEC_REGS, 1, abfd) !=
- 4 * NUM_OF_SPEC_REGS)
- return (false); /* on error */
-
- /* increment location address, and read the special registers.. */
- /* FIXMEmgo */
- return (true);
- }
-
- /* else, use default bfd section content transfer. */
- else
- return bfd_generic_get_section_contents
- (abfd, section, location, offset, count);
-}
-
-#endif /* COREFILES_PLEASE */
-
/* The transfer vector that leads the outside world to all of the above. */
bfd_target rs6000coff_vec =
@@ -540,6 +321,7 @@ bfd_target rs6000coff_vec =
HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT),
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
+ 0, /* leading char */
'/', /* ar_pad_char */
15, /* ar_max_namelen??? FIXMEmgo */
3, /* default alignment power */
@@ -548,7 +330,13 @@ bfd_target rs6000coff_vec =
_do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* hdrs */
{_bfd_dummy_target, coff_object_p, /* bfd_check_format */
- coff_archive_p, _bfd_dummy_target},
+ coff_archive_p,
+#ifdef COREFILES_PLEASE
+ rs6000coff_core_p
+#else
+ _bfd_dummy_target
+#endif
+ },
{bfd_false, coff_mkobject, coff_mkarchive, /* bfd_set_format */
bfd_false},
{bfd_false, coff_write_object_contents, /* bfd_write_contents */
generated by cgit v1.1 at 2024-07-13 12:52:08 +0000