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authorJim Kingdon <jkingdon@engr.sgi.com>1993-04-17 01:44:18 +0000
committerJim Kingdon <jkingdon@engr.sgi.com>1993-04-17 01:44:18 +0000
commit250351fc752d95e3bc90fbb274554df9d878cb32 (patch)
tree00775cb83c4611b5c63bf0ba7a27e8698b3a9826
parent04c6a64fdd57d6e32787243af0220eed10857189 (diff)
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* aoutf1.h (internal_sunos_core): Make c_stacktop a bfd_vma.
(swapcore_sparc): Make sp a bfd_vma.
-rw-r--r--bfd/ChangeLog5
-rw-r--r--bfd/aoutf1.h73
2 files changed, 40 insertions, 38 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index b704742..3edb453 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+Fri Apr 16 17:49:27 1993 Jim Kingdon (kingdon@cygnus.com)
+
+ * aoutf1.h (internal_sunos_core): Make c_stacktop a bfd_vma.
+ (swapcore_sparc): Make sp a bfd_vma.
+
Thu Apr 15 09:09:18 1993 Jim Kingdon (kingdon@cygnus.com)
* libbfd.c: Add signed versions of bfd_{h_,}{get,put}_signed_<size>.
diff --git a/bfd/aoutf1.h b/bfd/aoutf1.h
index 11da04c..5f22b59 100644
--- a/bfd/aoutf1.h
+++ b/bfd/aoutf1.h
@@ -1,5 +1,5 @@
-/* A.out "format 1" file handling code
- Copyright (C) 1990-1991 Free Software Foundation, Inc.
+/* A.out "format 1" file handling code for BFD.
+ Copyright 1990, 1991, 1992 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
@@ -171,9 +171,10 @@ DEFUN(NAME(aout,sunos4_write_object_contents),
}
choose_reloc_size(abfd);
-
- /* FIXME */
- N_SET_FLAGS (*execp, 0x1);
+
+ /* Some tools want this to be 0, some tools want this to be one.
+ Today, it seems that 0 is the most important setting (PR1927) */
+ N_SET_FLAGS (*execp, 0x0);
WRITE_HEADERS(abfd, execp);
@@ -272,7 +273,7 @@ struct internal_sunos_core {
int c_tsize; /* Text size (bytes) */
int c_dsize; /* Data size (bytes) */
int c_ssize; /* Stack size (bytes) */
- long c_stacktop; /* Stack top (address) */
+ bfd_vma c_stacktop; /* Stack top (address) */
char c_cmdname[CORE_NAMELEN + 1]; /* Command name */
long fp_stuff_pos; /* file offset of external FPU state (regs) */
int fp_stuff_size; /* Size of it */
@@ -337,10 +338,30 @@ DEFUN(swapcore_sparc,(abfd, ext, intcore),
intcore->c_ucode =
bfd_h_get_32 (abfd,
intcore->c_len - sizeof (extcore->c_ucode) + (unsigned char *)extcore);
+
/* Supposedly the user stack grows downward from the bottom of kernel memory.
- Presuming that this remains true, this definition will work. */
-#define SPARC_USRSTACK (-(128*1024*1024))
- intcore->c_stacktop = SPARC_USRSTACK; /* By experimentation */
+ Presuming that this remains true, this definition will work. */
+ /* Now sun has provided us with another challenge. The value is different
+ for sparc2 and sparc10 (both running SunOS 4.1.3). We pick one or
+ the other based on the current value of the stack pointer. This
+ loses (a) if the stack pointer has been clobbered, or (b) if the stack
+ is larger than 128 megabytes.
+
+ It's times like these you're glad they're switching to ELF.
+
+ Note that using include files or nlist on /vmunix would be wrong,
+ because we want the value for this core file, no matter what kind of
+ machine we were compiled on or are running on. */
+#define SPARC_USRSTACK_SPARC2 ((bfd_vma)0xf8000000)
+#define SPARC_USRSTACK_SPARC10 ((bfd_vma)0xf0000000)
+ {
+ bfd_vma sp = bfd_h_get_32
+ (abfd, (unsigned char *)&((struct regs *)&extcore->c_regs[0])->r_o6);
+ if (sp < SPARC_USRSTACK_SPARC10)
+ intcore->c_stacktop = SPARC_USRSTACK_SPARC10;
+ else
+ intcore->c_stacktop = SPARC_USRSTACK_SPARC2;
+ }
}
/* need this cast because ptr is really void * */
@@ -525,32 +546,7 @@ DEFUN(sunos4_core_file_matches_executable_p, (core_bfd, exec_bfd),
sizeof (struct internal_exec)) == 0) ? true : false;
}
-extern reloc_howto_type aout_32_ext_howto_table[];
-
-static reloc_howto_type *
-DEFUN (sunos4_reloc_type_lookup, (abfd, code),
- bfd *abfd AND
- bfd_reloc_code_real_type code)
-{
- switch (bfd_get_arch (abfd))
- {
- default:
- return 0;
- case bfd_arch_sparc:
- switch (code)
- {
- default:
- return 0;
-#define IDX(i,j) case i: return &aout_32_ext_howto_table[j]
- IDX (BFD_RELOC_CTOR, 2);
- IDX (BFD_RELOC_32, 2);
- IDX (BFD_RELOC_HI22, 8);
- IDX (BFD_RELOC_LO10, 11);
- IDX (BFD_RELOC_32_PCREL_S2, 6);
- }
- }
-}
-
+#define MY_set_sizes sunos4_set_sizes
static boolean
DEFUN (sunos4_set_sizes, (abfd),
bfd *abfd)
@@ -582,9 +578,10 @@ static CONST struct aout_backend_data sunos4_aout_backend = {
#define MY_bfd_debug_info_start bfd_void
#define MY_bfd_debug_info_end bfd_void
-#define MY_bfd_debug_info_accumulate (PROTO(void,(*),(bfd*, struct sec *))) bfd_void
-#define MY_core_file_p sunos4_core_file_p
-#define MY_write_object_contents NAME(aout,sunos4_write_object_contents)
+#define MY_bfd_debug_info_accumulate \
+ (void (*) PARAMS ((bfd *, struct sec *))) bfd_void
+#define MY_core_file_p sunos4_core_file_p
+#define MY_write_object_contents NAME(aout,sunos4_write_object_contents)
#define MY_backend_data &sunos4_aout_backend
#define TARGET_IS_BIG_ENDIAN_P