Simplify update of r_addend field in relocation record if `-r' is on.
The old quirky code did strange things.
This commit is contained in:
pk
parent
2bb60e32ec
commit
4162cf6459
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@ -27,7 +27,7 @@
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: md.c,v 1.11 1995/11/28 19:29:45 pk Exp $
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* $Id: md.c,v 1.12 1995/12/28 18:05:10 pk Exp $
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*/
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#include <sys/param.h>
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@ -103,43 +103,29 @@ iflush(sp)
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*/
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long
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md_get_addend(r, addr)
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struct relocation_info *r;
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unsigned char *addr;
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struct relocation_info *r;
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unsigned char *addr;
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{
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return r->r_addend;
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}
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void
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md_relocate(r, relocation, addr, relocatable_output)
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struct relocation_info *r;
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long relocation;
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unsigned char *addr;
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int relocatable_output;
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struct relocation_info *r;
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long relocation;
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unsigned char *addr;
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int relocatable_output;
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{
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register unsigned long mask;
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#ifndef RTLD
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if (relocatable_output) {
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/*
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* Non-PC relative relocations which are absolute or
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* which have become non-external now have fixed
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* relocations. Set the ADD_EXTRA of this relocation
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* to be the relocation we have now determined.
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* Store relocation where the next link-edit run
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* will look for it.
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*/
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if (!RELOC_PCREL_P(r)) {
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if ((int) r->r_type <= RELOC_32
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|| RELOC_EXTERN_P(r) == 0)
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RELOC_ADD_EXTRA(r) = relocation;
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} else if (RELOC_EXTERN_P(r))
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/*
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* External PC-relative relocations continue
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* to move around; update their relocations
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* by the amount they have moved so far.
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*/
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RELOC_ADD_EXTRA(r) -= pc_relocation;
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r->r_addend = relocation;
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return;
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}
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#endif
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relocation >>= RELOC_VALUE_RIGHTSHIFT(r);
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@ -186,8 +172,8 @@ int relocatable_output;
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*/
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int
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md_make_reloc(rp, r, type)
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struct relocation_info *rp, *r;
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int type;
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struct relocation_info *rp, *r;
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int type;
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{
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r->r_type = rp->r_type;
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r->r_addend = rp->r_addend;
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@ -218,9 +204,9 @@ int type;
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*/
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void
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md_make_jmpslot(sp, offset, index)
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jmpslot_t *sp;
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long offset;
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long index;
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jmpslot_t *sp;
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long offset;
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long index;
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{
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u_long fudge = (u_long) -(sizeof(sp->opcode1) + offset);
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sp->opcode1 = SAVE;
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@ -241,9 +227,9 @@ long index;
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*/
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void
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md_fix_jmpslot(sp, offset, addr)
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jmpslot_t *sp;
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long offset;
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u_long addr;
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jmpslot_t *sp;
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long offset;
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u_long addr;
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{
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/*
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* Here comes a RELOC_{LO10,HI22} relocation pair
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@ -263,8 +249,8 @@ u_long addr;
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*/
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void
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md_make_jmpreloc(rp, r, type)
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struct relocation_info *rp, *r;
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int type;
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struct relocation_info *rp, *r;
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int type;
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{
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if (type & RELTYPE_RELATIVE)
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r->r_type = RELOC_RELATIVE;
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@ -279,8 +265,8 @@ int type;
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*/
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void
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md_make_gotreloc(rp, r, type)
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struct relocation_info *rp, *r;
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int type;
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struct relocation_info *rp, *r;
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int type;
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{
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/*
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* GOT value resolved (symbolic or entry point): R_32
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@ -301,7 +287,7 @@ int type;
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*/
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void
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md_make_cpyreloc(rp, r)
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struct relocation_info *rp, *r;
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struct relocation_info *rp, *r;
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{
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r->r_type = RELOC_COPY_DAT;
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r->r_addend = 0;
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@ -309,8 +295,8 @@ struct relocation_info *rp, *r;
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void
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md_set_breakpoint(where, savep)
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long where;
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long *savep;
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long where;
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long *savep;
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{
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*savep = *(long *)where;
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*(long *)where = TRAP;
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@ -323,10 +309,10 @@ long *savep;
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*/
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void
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md_init_header(hp, magic, flags)
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struct exec *hp;
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int magic, flags;
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struct exec *hp;
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int magic, flags;
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{
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#ifdef NetBSD
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#ifdef __NetBSD__
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N_SETMAGIC((*hp), magic, MID_MACHINE, flags);
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/* TEXT_START depends on the value of outheader.a_entry. */
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@ -349,9 +335,9 @@ int magic, flags;
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*/
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int
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md_midcompat(hp)
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struct exec *hp;
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struct exec *hp;
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{
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#ifdef NetBSD
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#ifdef __NetBSD__
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#define SUN_M_SPARC 3
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return (((md_swap_long(hp->a_midmag)&0x00ff0000) >> 16) == SUN_M_SPARC);
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#else
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@ -32,7 +32,7 @@ static char sccsid[] = "@(#)ld.c 6.10 (Berkeley) 5/22/91";
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Set, indirect, and warning symbol features added by Randy Smith. */
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/*
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* $Id: ld.c,v 1.44 1995/08/04 21:49:00 pk Exp $
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* $Id: ld.c,v 1.45 1995/12/28 18:04:59 pk Exp $
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*/
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/* Define how to initialize system-dependent header fields. */
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@ -2734,7 +2734,6 @@ copy_data(entry)
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* relocation info, in core. NRELOC says how many there are.
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*/
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/* HACK: md.c may need access to this */
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int pc_relocation;
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void
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@ -2754,9 +2753,9 @@ perform_relocation(data, data_size, reloc, nreloc, entry, dataseg)
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int data_relocation = entry->data_start_address - entry->header.a_text;
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int bss_relocation = entry->bss_start_address -
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entry->header.a_text - entry->header.a_data;
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pc_relocation = dataseg?
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entry->data_start_address - entry->header.a_text:
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entry->text_start_address;
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pc_relocation = dataseg
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? entry->data_start_address - entry->header.a_text
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: entry->text_start_address;
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for (; r < end; r++) {
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int addr = RELOC_ADDRESS(r);
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@ -3120,18 +3119,6 @@ coptxtrel(entry)
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RELOC_SYMBOL(r) = (sp->defined & N_TYPE);
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} else
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RELOC_SYMBOL(r) = sp->symbolnum;
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#ifdef RELOC_ADD_EXTRA
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/*
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* If we aren't going to be adding in the
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* value in memory on the next pass of the
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* loader, then we need to add it in from the
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* relocation entry, unless the symbol remains
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* external in our output. Otherwise the work we
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* did in this pass is lost.
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*/
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if (!RELOC_MEMORY_ADD_P(r) && !RELOC_EXTERN_P(r))
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RELOC_ADD_EXTRA(r) += sp->value;
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#endif
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} else
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/*
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* Global symbols come first.
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@ -32,7 +32,7 @@ static char sccsid[] = "@(#)ld.c 6.10 (Berkeley) 5/22/91";
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Set, indirect, and warning symbol features added by Randy Smith. */
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/*
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* $Id: ld.c,v 1.44 1995/08/04 21:49:00 pk Exp $
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* $Id: ld.c,v 1.45 1995/12/28 18:04:59 pk Exp $
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*/
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/* Define how to initialize system-dependent header fields. */
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@ -2734,7 +2734,6 @@ copy_data(entry)
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* relocation info, in core. NRELOC says how many there are.
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*/
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/* HACK: md.c may need access to this */
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int pc_relocation;
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void
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@ -2754,9 +2753,9 @@ perform_relocation(data, data_size, reloc, nreloc, entry, dataseg)
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int data_relocation = entry->data_start_address - entry->header.a_text;
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int bss_relocation = entry->bss_start_address -
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entry->header.a_text - entry->header.a_data;
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pc_relocation = dataseg?
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entry->data_start_address - entry->header.a_text:
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entry->text_start_address;
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pc_relocation = dataseg
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? entry->data_start_address - entry->header.a_text
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: entry->text_start_address;
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for (; r < end; r++) {
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int addr = RELOC_ADDRESS(r);
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@ -3120,18 +3119,6 @@ coptxtrel(entry)
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RELOC_SYMBOL(r) = (sp->defined & N_TYPE);
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} else
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RELOC_SYMBOL(r) = sp->symbolnum;
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#ifdef RELOC_ADD_EXTRA
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/*
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* If we aren't going to be adding in the
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* value in memory on the next pass of the
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* loader, then we need to add it in from the
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* relocation entry, unless the symbol remains
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* external in our output. Otherwise the work we
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* did in this pass is lost.
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*/
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if (!RELOC_MEMORY_ADD_P(r) && !RELOC_EXTERN_P(r))
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RELOC_ADD_EXTRA(r) += sp->value;
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#endif
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} else
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/*
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* Global symbols come first.
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@ -27,7 +27,7 @@
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: md.c,v 1.11 1995/11/28 19:29:45 pk Exp $
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* $Id: md.c,v 1.12 1995/12/28 18:05:10 pk Exp $
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*/
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#include <sys/param.h>
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@ -103,43 +103,29 @@ iflush(sp)
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*/
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long
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md_get_addend(r, addr)
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struct relocation_info *r;
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unsigned char *addr;
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struct relocation_info *r;
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unsigned char *addr;
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{
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return r->r_addend;
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}
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void
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md_relocate(r, relocation, addr, relocatable_output)
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struct relocation_info *r;
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long relocation;
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unsigned char *addr;
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int relocatable_output;
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struct relocation_info *r;
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long relocation;
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unsigned char *addr;
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int relocatable_output;
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{
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register unsigned long mask;
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#ifndef RTLD
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if (relocatable_output) {
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/*
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* Non-PC relative relocations which are absolute or
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* which have become non-external now have fixed
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* relocations. Set the ADD_EXTRA of this relocation
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* to be the relocation we have now determined.
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* Store relocation where the next link-edit run
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* will look for it.
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*/
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if (!RELOC_PCREL_P(r)) {
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if ((int) r->r_type <= RELOC_32
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|| RELOC_EXTERN_P(r) == 0)
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RELOC_ADD_EXTRA(r) = relocation;
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} else if (RELOC_EXTERN_P(r))
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/*
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* External PC-relative relocations continue
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* to move around; update their relocations
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* by the amount they have moved so far.
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*/
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RELOC_ADD_EXTRA(r) -= pc_relocation;
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r->r_addend = relocation;
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return;
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}
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#endif
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relocation >>= RELOC_VALUE_RIGHTSHIFT(r);
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@ -186,8 +172,8 @@ int relocatable_output;
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*/
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int
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md_make_reloc(rp, r, type)
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struct relocation_info *rp, *r;
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int type;
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struct relocation_info *rp, *r;
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int type;
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{
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r->r_type = rp->r_type;
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r->r_addend = rp->r_addend;
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@ -218,9 +204,9 @@ int type;
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*/
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void
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md_make_jmpslot(sp, offset, index)
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jmpslot_t *sp;
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long offset;
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long index;
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jmpslot_t *sp;
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long offset;
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long index;
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{
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u_long fudge = (u_long) -(sizeof(sp->opcode1) + offset);
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sp->opcode1 = SAVE;
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@ -241,9 +227,9 @@ long index;
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*/
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void
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md_fix_jmpslot(sp, offset, addr)
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jmpslot_t *sp;
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long offset;
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u_long addr;
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jmpslot_t *sp;
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long offset;
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u_long addr;
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{
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/*
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* Here comes a RELOC_{LO10,HI22} relocation pair
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@ -263,8 +249,8 @@ u_long addr;
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*/
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void
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md_make_jmpreloc(rp, r, type)
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struct relocation_info *rp, *r;
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int type;
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struct relocation_info *rp, *r;
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int type;
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{
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if (type & RELTYPE_RELATIVE)
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r->r_type = RELOC_RELATIVE;
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@ -279,8 +265,8 @@ int type;
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*/
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void
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md_make_gotreloc(rp, r, type)
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struct relocation_info *rp, *r;
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int type;
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struct relocation_info *rp, *r;
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int type;
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{
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/*
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* GOT value resolved (symbolic or entry point): R_32
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@ -301,7 +287,7 @@ int type;
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*/
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void
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md_make_cpyreloc(rp, r)
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struct relocation_info *rp, *r;
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struct relocation_info *rp, *r;
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{
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r->r_type = RELOC_COPY_DAT;
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r->r_addend = 0;
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@ -309,8 +295,8 @@ struct relocation_info *rp, *r;
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void
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md_set_breakpoint(where, savep)
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long where;
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long *savep;
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long where;
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long *savep;
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{
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*savep = *(long *)where;
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*(long *)where = TRAP;
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@ -323,10 +309,10 @@ long *savep;
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*/
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void
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md_init_header(hp, magic, flags)
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struct exec *hp;
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int magic, flags;
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struct exec *hp;
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int magic, flags;
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{
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#ifdef NetBSD
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#ifdef __NetBSD__
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N_SETMAGIC((*hp), magic, MID_MACHINE, flags);
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/* TEXT_START depends on the value of outheader.a_entry. */
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|
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@ -349,9 +335,9 @@ int magic, flags;
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*/
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int
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md_midcompat(hp)
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struct exec *hp;
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struct exec *hp;
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{
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#ifdef NetBSD
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#ifdef __NetBSD__
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#define SUN_M_SPARC 3
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return (((md_swap_long(hp->a_midmag)&0x00ff0000) >> 16) == SUN_M_SPARC);
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#else
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|
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@ -27,7 +27,7 @@
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
* $Id: md.c,v 1.11 1995/11/28 19:29:45 pk Exp $
|
||||
* $Id: md.c,v 1.12 1995/12/28 18:05:10 pk Exp $
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*/
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#include <sys/param.h>
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@ -103,43 +103,29 @@ iflush(sp)
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*/
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long
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md_get_addend(r, addr)
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struct relocation_info *r;
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unsigned char *addr;
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struct relocation_info *r;
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unsigned char *addr;
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{
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return r->r_addend;
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}
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void
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md_relocate(r, relocation, addr, relocatable_output)
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struct relocation_info *r;
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long relocation;
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unsigned char *addr;
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int relocatable_output;
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struct relocation_info *r;
|
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long relocation;
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unsigned char *addr;
|
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int relocatable_output;
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{
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register unsigned long mask;
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#ifndef RTLD
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if (relocatable_output) {
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/*
|
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* Non-PC relative relocations which are absolute or
|
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* which have become non-external now have fixed
|
||||
* relocations. Set the ADD_EXTRA of this relocation
|
||||
* to be the relocation we have now determined.
|
||||
* Store relocation where the next link-edit run
|
||||
* will look for it.
|
||||
*/
|
||||
if (!RELOC_PCREL_P(r)) {
|
||||
if ((int) r->r_type <= RELOC_32
|
||||
|| RELOC_EXTERN_P(r) == 0)
|
||||
RELOC_ADD_EXTRA(r) = relocation;
|
||||
} else if (RELOC_EXTERN_P(r))
|
||||
/*
|
||||
* External PC-relative relocations continue
|
||||
* to move around; update their relocations
|
||||
* by the amount they have moved so far.
|
||||
*/
|
||||
RELOC_ADD_EXTRA(r) -= pc_relocation;
|
||||
r->r_addend = relocation;
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
relocation >>= RELOC_VALUE_RIGHTSHIFT(r);
|
||||
|
||||
|
|
@ -186,8 +172,8 @@ int relocatable_output;
|
|||
*/
|
||||
int
|
||||
md_make_reloc(rp, r, type)
|
||||
struct relocation_info *rp, *r;
|
||||
int type;
|
||||
struct relocation_info *rp, *r;
|
||||
int type;
|
||||
{
|
||||
r->r_type = rp->r_type;
|
||||
r->r_addend = rp->r_addend;
|
||||
|
|
@ -218,9 +204,9 @@ int type;
|
|||
*/
|
||||
void
|
||||
md_make_jmpslot(sp, offset, index)
|
||||
jmpslot_t *sp;
|
||||
long offset;
|
||||
long index;
|
||||
jmpslot_t *sp;
|
||||
long offset;
|
||||
long index;
|
||||
{
|
||||
u_long fudge = (u_long) -(sizeof(sp->opcode1) + offset);
|
||||
sp->opcode1 = SAVE;
|
||||
|
|
@ -241,9 +227,9 @@ long index;
|
|||
*/
|
||||
void
|
||||
md_fix_jmpslot(sp, offset, addr)
|
||||
jmpslot_t *sp;
|
||||
long offset;
|
||||
u_long addr;
|
||||
jmpslot_t *sp;
|
||||
long offset;
|
||||
u_long addr;
|
||||
{
|
||||
/*
|
||||
* Here comes a RELOC_{LO10,HI22} relocation pair
|
||||
|
|
@ -263,8 +249,8 @@ u_long addr;
|
|||
*/
|
||||
void
|
||||
md_make_jmpreloc(rp, r, type)
|
||||
struct relocation_info *rp, *r;
|
||||
int type;
|
||||
struct relocation_info *rp, *r;
|
||||
int type;
|
||||
{
|
||||
if (type & RELTYPE_RELATIVE)
|
||||
r->r_type = RELOC_RELATIVE;
|
||||
|
|
@ -279,8 +265,8 @@ int type;
|
|||
*/
|
||||
void
|
||||
md_make_gotreloc(rp, r, type)
|
||||
struct relocation_info *rp, *r;
|
||||
int type;
|
||||
struct relocation_info *rp, *r;
|
||||
int type;
|
||||
{
|
||||
/*
|
||||
* GOT value resolved (symbolic or entry point): R_32
|
||||
|
|
@ -301,7 +287,7 @@ int type;
|
|||
*/
|
||||
void
|
||||
md_make_cpyreloc(rp, r)
|
||||
struct relocation_info *rp, *r;
|
||||
struct relocation_info *rp, *r;
|
||||
{
|
||||
r->r_type = RELOC_COPY_DAT;
|
||||
r->r_addend = 0;
|
||||
|
|
@ -309,8 +295,8 @@ struct relocation_info *rp, *r;
|
|||
|
||||
void
|
||||
md_set_breakpoint(where, savep)
|
||||
long where;
|
||||
long *savep;
|
||||
long where;
|
||||
long *savep;
|
||||
{
|
||||
*savep = *(long *)where;
|
||||
*(long *)where = TRAP;
|
||||
|
|
@ -323,10 +309,10 @@ long *savep;
|
|||
*/
|
||||
void
|
||||
md_init_header(hp, magic, flags)
|
||||
struct exec *hp;
|
||||
int magic, flags;
|
||||
struct exec *hp;
|
||||
int magic, flags;
|
||||
{
|
||||
#ifdef NetBSD
|
||||
#ifdef __NetBSD__
|
||||
N_SETMAGIC((*hp), magic, MID_MACHINE, flags);
|
||||
|
||||
/* TEXT_START depends on the value of outheader.a_entry. */
|
||||
|
|
@ -349,9 +335,9 @@ int magic, flags;
|
|||
*/
|
||||
int
|
||||
md_midcompat(hp)
|
||||
struct exec *hp;
|
||||
struct exec *hp;
|
||||
{
|
||||
#ifdef NetBSD
|
||||
#ifdef __NetBSD__
|
||||
#define SUN_M_SPARC 3
|
||||
return (((md_swap_long(hp->a_midmag)&0x00ff0000) >> 16) == SUN_M_SPARC);
|
||||
#else
|
||||
|
|
|
|||
Loading…
Reference in New Issue