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* configure.in: Add Lynx/rs6000 support.

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* lynx-nat.c:  Clean up some Sparc stuff.  Clean up ptrace error
	messages.  Add rs6000 support.  Don't try to modify unwritable
	registers.
	* rs6000-nat.c:  Move lots of native dependent stuff (like core
	file support) from rs6000-tdep.c & xcoffexec.c to here.
	* rs6000-tdep.c:  Move native dependent stuff to nat.c.
	* xcoffexec.c:  Move native dependent stuff to nat.c.
	* config/rs6000/nm-rs6000.h:  Move defs of SOLIB_* macros to here
	from tm	file.
	* config/rs6000/tm-rs6000.h:  Remove defs of SOLIB_* funcs, cuz they're
	really native.
	* config/rs6000/tm-rs6000lynx.h, config/rs6000/xm-rs6000lynx.h:
	New files to support Lynx/rs6000.
This commit is contained in:
Stu Grossman
1994-02-12 01:08:29 +00:00
parent a15691a56e
commit d87d7b10af
10 changed files with 772 additions and 683 deletions
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62
gdb/rs6000-tdep.c
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@@ -26,19 +26,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "xcoffsolib.h"
#include <sys/param.h>
#include <sys/dir.h>
#include <sys/user.h>
#include <signal.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <a.out.h>
#include <sys/file.h>
#include <sys/stat.h>
#include <sys/core.h>
#include <sys/ldr.h>
extern struct obstack frame_cache_obstack;
@@ -515,7 +503,6 @@ pop_frame ()
set_current_frame (create_new_frame (prev_sp, lr));
}
/* fixup the call sequence of a dummy function, with the real function address.
its argumets will be passed by gdb. */
@@ -1108,54 +1095,6 @@ rs6000_frame_chain (thisframe)
return fp;
}
/* xcoff_relocate_symtab - hook for symbol table relocation.
also reads shared libraries.. */
xcoff_relocate_symtab (pid)
unsigned int pid;
{
#define MAX_LOAD_SEGS 64 /* maximum number of load segments */
struct ld_info *ldi;
int temp;
ldi = (void *) alloca(MAX_LOAD_SEGS * sizeof (*ldi));
/* According to my humble theory, AIX has some timing problems and
when the user stack grows, kernel doesn't update stack info in time
and ptrace calls step on user stack. That is why we sleep here a little,
and give kernel to update its internals. */
usleep (36000);
errno = 0;
ptrace(PT_LDINFO, pid, (PTRACE_ARG3_TYPE) ldi,
MAX_LOAD_SEGS * sizeof(*ldi), ldi);
if (errno) {
perror_with_name ("ptrace ldinfo");
return 0;
}
vmap_ldinfo(ldi);
do {
/* We are allowed to assume CORE_ADDR == pointer. This code is
native only. */
add_text_to_loadinfo ((CORE_ADDR) ldi->ldinfo_textorg,
(CORE_ADDR) ldi->ldinfo_dataorg);
} while (ldi->ldinfo_next
&& (ldi = (void *) (ldi->ldinfo_next + (char *) ldi)));
#if 0
/* Now that we've jumbled things around, re-sort them. */
sort_minimal_symbols ();
#endif
/* relocate the exec and core sections as well. */
vmap_exec ();
}
/* Keep an array of load segment information and their TOC table addresses.
This info will be useful when calling a shared library function by hand. */
@@ -1212,7 +1151,6 @@ xcoff_add_toc_to_loadinfo (unsigned long tocoff)
loadinfo [loadinfotocindex++].toc_offset = tocoff;
}
void
add_text_to_loadinfo (textaddr, dataaddr)
CORE_ADDR textaddr;