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include/coff/

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* internal.h (C_AIX_WEAKEXT): New macro.
	(C_WEAKEXT): Use the GNU definition in the generic part of the file,
	and conditionally reset it to C_AIX_WEAKEXT in the XCOFF part of
	the file.
	(CSECT_SYM_P): New macro.
	* xcoff.h (L_WEAK): Define.
	(EXTERN_SYM_P): New macro.

bfd/
	* coffcode.h (coff_pointerize_aux_hook): Update CSECT_SYM_P to
	check whether a symbol has csect information.
	(coff_print_aux): Likewise.
	* coff-rs6000.c (_bfd_xcoff_swap_aux_in): Handle auxillary csect
	information for C_AIX_WEAKEXT too.
	(_bfd_xcoff_swap_aux_out): Likewise.
	(xcoff_reloc_type_br): Handle defweak symbols too.
	* coff64-rs6000.c (_bfd_xcoff64_swap_aux_in): Handle auxillary csect
	information for C_AIX_WEAKEXT too.
	(_bfd_xcoff64_swap_aux_out): Likewise.
	(xcoff64_reloc_type_br): Handle defweak symbols too.
	* coffgen.c (coff_print_symbol): Handle auxillary function
	information for C_AIX_WEAKEXT too.
	* xcofflink.c (_bfd_xcoff_canonicalize_dynamic_symtab): Set BSF_WEAK
	instead of BSF_GLOBAL if the L_WEAK flag is set.
	(xcoff_dynamic_definition_p): New function.
	(xcoff_link_add_dynamic_symbols): Use it to decide whether ldsym
	defines h.  Don't change h if ldsym isn't the definition.  Otherwise,
	always take the symbol class from the ldsym.  Use weak bfd symbol
	types for weak ldsyms.
	(xcoff_link_add_symbols): Use CSECT_SYM_P and EXTERN_SYM_P.
	Fix the check for whether a definition is from a shared object.
	Allow redefinitions of weak symbols.
	(xcoff_link_check_ar_symbols): Use EXTERN_SYM_P.
	(xcoff_keep_symbol_p): Likewise.
	(bfd_xcoff_size_dynamic_sections): Use CSECT_SYM_P.
	(xcoff_link_input_bfd): Use CSECT_SYM_P and EXTERN_SYM_P.
	Add .loader entries for C_AIX_WEAKEXT as well as C_EXT symbols,
	but mark them as L_WEAK.
	(xcoff_write_global_symbol): Treat weak symbols as C_AIX_WEAKEXT
	instead of C_EXT if C_AIX_WEAKEXT == C_WEAKEXT.

gas/
	* config/tc-ppc.c (ppc_frob_symbol): Add csect information for
	C_AIX_WEAKEXT too.

ld/testsuite/
	* ld-powerpc/aix-glink-2a.s, ld-powerpc/aix-glink-2a.ex,
	ld-powerpc/aix-glink-2b.s, ld-powerpc/aix-glink-2c.s,
	ld-powerpc/aix-glink-2c.ex, ld-powerpc/aix-glink-2d.s,
	ld-powerpc/aix-glink-2-32.dd, ld-powerpc/aix-glink-2-64.dd,
	ld-powerpc/aix-weak-1a.s, ld-powerpc/aix-weak-1b.s,
	ld-powerpc/aix-weak-1-rel.hd, ld-powerpc/aix-weak-1-rel.nd,
	ld-powerpc/aix-weak-1-dso.hd, ld-powerpc/aix-weak-1-dso.nd,
	ld-powerpc/aix-weak-1-dso.dnd, ld-powerpc/aix-weak-1.ex,
	ld-powerpc/aix-weak-2a.s, ld-powerpc/aix-weak-2a.ex,
	ld-powerpc/aix-weak-2a.nd, ld-powerpc/aix-weak-2b.s,
	ld-powerpc/aix-weak-2b.nd, ld-powerpc/aix-weak-2c.s,
	ld-powerpc/aix-weak-2c.ex, ld-powerpc/aix-weak-2c.nd,
	ld-powerpc/aix-weak-2c.od, ld-powerpc/aix-weak-3a.s,
	ld-powerpc/aix-weak-3a.ex, ld-powerpc/aix-weak-3b.s,
	ld-powerpc/aix-weak-3b.ex, ld-powerpc/aix-weak-3-32.d,
	ld-powerpc/aix-weak-3-32.dd, ld-powerpc/aix-weak-3-64.d,
	ld-powerpc/aix-weak-3-64.dd: New tests.
	* ld-powerpc/aix52.exp: Run them.  Replace tmp/aix-* with
	tmp/aix64-* in 64-bit ld options.
This commit is contained in:
Richard Sandiford 2009-03-14 09:34:27 +00:00
parent 5b49f6dc39
commit 8602d4fea6
46 changed files with 892 additions and 98 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
bfd/ChangeLog
View File

@ -1,3 +1,37 @@
2009-03-14 Richard Sandiford <r.sandiford@uk.ibm.com>
* coffcode.h (coff_pointerize_aux_hook): Update CSECT_SYM_P to
check whether a symbol has csect information.
(coff_print_aux): Likewise.
* coff-rs6000.c (_bfd_xcoff_swap_aux_in): Handle auxillary csect
information for C_AIX_WEAKEXT too.
(_bfd_xcoff_swap_aux_out): Likewise.
(xcoff_reloc_type_br): Handle defweak symbols too.
* coff64-rs6000.c (_bfd_xcoff64_swap_aux_in): Handle auxillary csect
information for C_AIX_WEAKEXT too.
(_bfd_xcoff64_swap_aux_out): Likewise.
(xcoff64_reloc_type_br): Handle defweak symbols too.
* coffgen.c (coff_print_symbol): Handle auxillary function
information for C_AIX_WEAKEXT too.
* xcofflink.c (_bfd_xcoff_canonicalize_dynamic_symtab): Set BSF_WEAK
instead of BSF_GLOBAL if the L_WEAK flag is set.
(xcoff_dynamic_definition_p): New function.
(xcoff_link_add_dynamic_symbols): Use it to decide whether ldsym
defines h. Don't change h if ldsym isn't the definition. Otherwise,
always take the symbol class from the ldsym. Use weak bfd symbol
types for weak ldsyms.
(xcoff_link_add_symbols): Use CSECT_SYM_P and EXTERN_SYM_P.
Fix the check for whether a definition is from a shared object.
Allow redefinitions of weak symbols.
(xcoff_link_check_ar_symbols): Use EXTERN_SYM_P.
(xcoff_keep_symbol_p): Likewise.
(bfd_xcoff_size_dynamic_sections): Use CSECT_SYM_P.
(xcoff_link_input_bfd): Use CSECT_SYM_P and EXTERN_SYM_P.
Add .loader entries for C_AIX_WEAKEXT as well as C_EXT symbols,
but mark them as L_WEAK.
(xcoff_write_global_symbol): Treat weak symbols as C_AIX_WEAKEXT
instead of C_EXT if C_AIX_WEAKEXT == C_WEAKEXT.
2009-03-14 Richard Sandiford <r.sandiford@uk.ibm.com>
* xcofflink.c (xcoff_mark): When walking the relocations,

8
bfd/coff-rs6000.c
View File

@ -422,6 +422,7 @@ _bfd_xcoff_swap_aux_in (abfd, ext1, type, class, indx, numaux, in1)
/* RS/6000 "csect" auxents */
case C_EXT:
case C_AIX_WEAKEXT:
case C_HIDEXT:
if (indx + 1 == numaux)
{
@ -531,6 +532,7 @@ _bfd_xcoff_swap_aux_out (abfd, inp, type, class, indx, numaux, extp)
/* RS/6000 "csect" auxents */
case C_EXT:
case C_AIX_WEAKEXT:
case C_HIDEXT:
if (indx + 1 == numaux)
{
@ -2963,7 +2965,8 @@ xcoff_reloc_type_br (input_bfd, input_section, output_bfd, rel, sym, howto,
going to global linkage code, we can replace the load with a
cror. */
if (NULL != h
&& bfd_link_hash_defined == h->root.type
&& (bfd_link_hash_defined == h->root.type
|| bfd_link_hash_defweak == h->root.type)
&& section_offset + 8 <= input_section->size)
{
bfd_byte *pnext;
@ -3008,7 +3011,8 @@ xcoff_reloc_type_br (input_bfd, input_section, output_bfd, rel, sym, howto,
howto->dst_mask = howto->src_mask;
if (h != NULL
&& h->root.type == bfd_link_hash_defined
&& (h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak)
&& bfd_is_abs_section (h->root.u.def.section)
&& section_offset + 4 <= input_section->size)
{

8
bfd/coff64-rs6000.c
View File

@ -381,6 +381,7 @@ _bfd_xcoff64_swap_aux_in (abfd, ext1, type, class, indx, numaux, in1)
/* RS/6000 "csect" auxents */
case C_EXT:
case C_AIX_WEAKEXT:
case C_HIDEXT:
if (indx + 1 == numaux)
{
@ -473,6 +474,7 @@ _bfd_xcoff64_swap_aux_out (abfd, inp, type, class, indx, numaux, extp)
/* RS/6000 "csect" auxents */
case C_EXT:
case C_AIX_WEAKEXT:
case C_HIDEXT:
if (indx + 1 == numaux)
{
@ -1133,7 +1135,8 @@ xcoff64_reloc_type_br (input_bfd, input_section, output_bfd, rel, sym, howto,
going to global linkage code, we can replace the load with a
cror. */
if (NULL != h
&& bfd_link_hash_defined == h->root.type
&& (bfd_link_hash_defined == h->root.type
|| bfd_link_hash_defweak == h->root.type)
&& section_offset + 8 <= input_section->size)
{
bfd_byte *pnext;
@ -1176,7 +1179,8 @@ xcoff64_reloc_type_br (input_bfd, input_section, output_bfd, rel, sym, howto,
howto->dst_mask = howto->src_mask;
if (h != NULL
&& h->root.type == bfd_link_hash_defined
&& (h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak)
&& bfd_is_abs_section (h->root.u.def.section)
&& section_offset + 4 <= input_section->size)
{

7
bfd/coffcode.h
View File

@ -2416,7 +2416,7 @@ symname_in_debug_hook (bfd * abfd ATTRIBUTE_UNUSED, struct internal_syment *sym)
#define FORCE_SYMNAMES_IN_STRINGS
#endif
/* Handle the csect auxent of a C_EXT or C_HIDEXT symbol. */
/* Handle the csect auxent of a C_EXT, C_AIX_WEAKEXT or C_HIDEXT symbol. */
static bfd_boolean
coff_pointerize_aux_hook (bfd *abfd ATTRIBUTE_UNUSED,
@ -2427,7 +2427,7 @@ coff_pointerize_aux_hook (bfd *abfd ATTRIBUTE_UNUSED,
{
int class = symbol->u.syment.n_sclass;
if ((class == C_EXT || class == C_HIDEXT)
if (CSECT_SYM_P (class)
&& indaux + 1 == symbol->u.syment.n_numaux)
{
if (SMTYP_SMTYP (aux->u.auxent.x_csect.x_smtyp) == XTY_LD)
@ -2485,8 +2485,7 @@ coff_print_aux (bfd *abfd ATTRIBUTE_UNUSED,
unsigned int indaux ATTRIBUTE_UNUSED)
{
#ifdef RS6000COFF_C
if ((symbol->u.syment.n_sclass == C_EXT
|| symbol->u.syment.n_sclass == C_HIDEXT)
if (CSECT_SYM_P (symbol->u.syment.n_sclass)
&& indaux + 1 == symbol->u.syment.n_numaux)
{
/* This is a csect entry. */

1
bfd/coffgen.c
View File

@ -2006,6 +2006,7 @@ coff_print_symbol (bfd *abfd,
}
/* Otherwise fall through. */
case C_EXT:
case C_AIX_WEAKEXT:
if (ISFCN (combined->u.syment.n_type))
{
long next, llnos;

207
bfd/xcofflink.c
View File

@ -258,7 +258,12 @@ _bfd_xcoff_canonicalize_dynamic_symtab (bfd *abfd, asymbol **psyms)
symbuf->symbol.flags = BSF_NO_FLAGS;
if ((ldsym.l_smtype & L_EXPORT) != 0)
symbuf->symbol.flags |= BSF_GLOBAL;
{
if ((ldsym.l_smtype & L_WEAK) != 0)
symbuf->symbol.flags |= BSF_WEAK;
else
symbuf->symbol.flags |= BSF_GLOBAL;
}
/* FIXME: We have no way to record the other information stored
with the loader symbol. */
@ -540,6 +545,36 @@ xcoff_read_internal_relocs (bfd *abfd,
require_internal, internal_relocs);
}
/* H is the bfd symbol associated with exported .loader symbol LDSYM.
Return true if LDSYM defines H. */
static bfd_boolean
xcoff_dynamic_definition_p (struct xcoff_link_hash_entry *h,
struct internal_ldsym *ldsym)
{
/* If we didn't know about H before processing LDSYM, LDSYM
definitely defines H. */
if (h->root.type == bfd_link_hash_new)
return TRUE;
/* If H is currently a weak dynamic symbol, and if LDSYM is a strong
dynamic symbol, LDSYM trumps the current definition of H. */
if ((ldsym->l_smtype & L_WEAK) == 0
&& (h->flags & XCOFF_DEF_DYNAMIC) != 0
&& (h->flags & XCOFF_DEF_REGULAR) == 0
&& (h->root.type == bfd_link_hash_defweak
|| h->root.type == bfd_link_hash_undefweak))
return TRUE;
/* If H is currently undefined, LDSYM defines it. */
if ((h->flags & XCOFF_DEF_DYNAMIC) == 0
&& (h->root.type == bfd_link_hash_undefined
|| h->root.type == bfd_link_hash_undefweak))
return TRUE;
return FALSE;
}
/* This function is used to add symbols from a dynamic object to the
global symbol table. */
@ -638,43 +673,33 @@ xcoff_link_add_dynamic_symbols (bfd *abfd, struct bfd_link_info *info)
if (h == NULL)
return FALSE;
if (!xcoff_dynamic_definition_p (h, &ldsym))
continue;
h->flags |= XCOFF_DEF_DYNAMIC;
/* If the symbol is undefined, and the BFD it was found in is
not a dynamic object, change the BFD to this dynamic object,
so that we can get the correct import file ID. */
if ((h->root.type == bfd_link_hash_undefined
|| h->root.type == bfd_link_hash_undefweak)
&& (h->root.u.undef.abfd == NULL
|| (h->root.u.undef.abfd->flags & DYNAMIC) == 0))
h->root.u.undef.abfd = abfd;
if (h->root.type == bfd_link_hash_new)
{
h->root.type = bfd_link_hash_undefined;
h->root.u.undef.abfd = abfd;
/* We do not want to add this to the undefined symbol list. */
}
if (h->smclas == XMC_UA
|| h->root.type == bfd_link_hash_undefined
|| h->root.type == bfd_link_hash_undefweak)
h->smclas = ldsym.l_smclas;
/* Unless this is an XMC_XO symbol, we don't bother to actually
define it, since we don't have a section to put it in anyhow.
Instead, the relocation routines handle the DEF_DYNAMIC flag
correctly. */
if (h->smclas == XMC_XO
&& (h->root.type == bfd_link_hash_undefined
|| h->root.type == bfd_link_hash_undefweak))
h->smclas = ldsym.l_smclas;
if (h->smclas == XMC_XO)
{
/* This symbol has an absolute value. */
h->root.type = bfd_link_hash_defined;
if ((ldsym.l_smtype & L_WEAK) != 0)
h->root.type = bfd_link_hash_defweak;
else
h->root.type = bfd_link_hash_defined;
h->root.u.def.section = bfd_abs_section_ptr;
h->root.u.def.value = ldsym.l_value;
}
else
{
/* Otherwise, we don't bother to actually define the symbol,
since we don't have a section to put it in anyhow.
We assume instead that an undefined XCOFF_DEF_DYNAMIC symbol
should be imported from the symbol's undef.abfd. */
if ((ldsym.l_smtype & L_WEAK) != 0)
h->root.type = bfd_link_hash_undefweak;
else
h->root.type = bfd_link_hash_undefined;
h->root.u.undef.abfd = abfd;
}
/* If this symbol defines a function descriptor, then it
implicitly defines the function code as well. */
@ -701,33 +726,30 @@ xcoff_link_add_dynamic_symbols (bfd *abfd, struct bfd_link_info *info)
if (hds == NULL)
return FALSE;
if (hds->root.type == bfd_link_hash_new)
{
hds->root.type = bfd_link_hash_undefined;
hds->root.u.undef.abfd = abfd;
/* We do not want to add this to the undefined
symbol list. */
}
hds->descriptor = h;
h->descriptor = hds;
}
hds->flags |= XCOFF_DEF_DYNAMIC;
if (hds->smclas == XMC_UA)
hds->smclas = XMC_PR;
/* An absolute symbol appears to actually define code, not a
function descriptor. This is how some math functions are
implemented on AIX 4.1. */
if (h->smclas == XMC_XO
&& (hds->root.type == bfd_link_hash_undefined
|| hds->root.type == bfd_link_hash_undefweak))
if (xcoff_dynamic_definition_p (hds, &ldsym))
{
hds->smclas = XMC_XO;
hds->root.type = bfd_link_hash_defined;
hds->root.u.def.section = bfd_abs_section_ptr;
hds->root.u.def.value = ldsym.l_value;
hds->root.type = h->root.type;
hds->flags |= XCOFF_DEF_DYNAMIC;
if (h->smclas == XMC_XO)
{
/* An absolute symbol appears to actually define code, not a
function descriptor. This is how some math functions are
implemented on AIX 4.1. */
hds->smclas = XMC_XO;
hds->root.u.def.section = bfd_abs_section_ptr;
hds->root.u.def.value = ldsym.l_value;
}
else
{
hds->smclas = XMC_PR;
hds->root.u.undef.abfd = abfd;
/* We do not want to add this to the undefined
symbol list. */
}
}
}
}
@ -1087,7 +1109,6 @@ xcoff_link_add_symbols (bfd *abfd, struct bfd_link_info *info)
const char *name;
char buf[SYMNMLEN + 1];
int smtyp;
flagword flags;
asection *section;
bfd_vma value;
struct xcoff_link_hash_entry *set_toc;
@ -1096,7 +1117,7 @@ xcoff_link_add_symbols (bfd *abfd, struct bfd_link_info *info)
/* In this pass we are only interested in symbols with csect
information. */
if (sym.n_sclass != C_EXT && sym.n_sclass != C_HIDEXT)
if (!CSECT_SYM_P (sym.n_sclass))
{
/* Set csect_cache,
Normally csect is a .pr, .rw etc. created in the loop
@ -1216,7 +1237,6 @@ xcoff_link_add_symbols (bfd *abfd, struct bfd_link_info *info)
smtyp = SMTYP_SMTYP (aux.x_csect.x_smtyp);
flags = BSF_GLOBAL;
section = NULL;
value = 0;
set_toc = NULL;
@ -1327,7 +1347,7 @@ xcoff_link_add_symbols (bfd *abfd, struct bfd_link_info *info)
erelsym = ((bfd_byte *) obj_coff_external_syms (abfd)
+ rel->r_symndx * symesz);
bfd_coff_swap_sym_in (abfd, (void *) erelsym, (void *) &relsym);
if (relsym.n_sclass == C_EXT)
if (EXTERN_SYM_P (relsym.n_sclass))
{
const char *relname;
char relbuf[SYMNMLEN + 1];
@ -1482,9 +1502,9 @@ xcoff_link_add_symbols (bfd *abfd, struct bfd_link_info *info)
if (first_csect == NULL)
first_csect = csect;
/* If this symbol is C_EXT, we treat it as starting at the
/* If this symbol is external, we treat it as starting at the
beginning of the newly created section. */
if (sym.n_sclass == C_EXT)
if (EXTERN_SYM_P (sym.n_sclass))
{
section = csect;
value = 0;
@ -1573,7 +1593,7 @@ xcoff_link_add_symbols (bfd *abfd, struct bfd_link_info *info)
if (first_csect == NULL)
first_csect = csect;
if (sym.n_sclass == C_EXT)
if (EXTERN_SYM_P (sym.n_sclass))
{
csect->flags |= SEC_IS_COMMON;
csect->size = 0;
@ -1614,9 +1634,10 @@ xcoff_link_add_symbols (bfd *abfd, struct bfd_link_info *info)
/* Now we have enough information to add the symbol to the
linker hash table. */
if (sym.n_sclass == C_EXT)
if (EXTERN_SYM_P (sym.n_sclass))
{
bfd_boolean copy;
flagword flags;
BFD_ASSERT (section != NULL);
@ -1687,8 +1708,8 @@ xcoff_link_add_symbols (bfd *abfd, struct bfd_link_info *info)
section = bfd_und_section_ptr;
value = 0;
}
else if (((*sym_hash)->root.u.def.section->owner->flags
& DYNAMIC) != 0)
else if (((*sym_hash)->flags & XCOFF_DEF_REGULAR) == 0
&& ((*sym_hash)->flags & XCOFF_DEF_DYNAMIC) != 0)
{
/* The existing symbol is from a shared library.
Replace it. */
@ -1704,6 +1725,12 @@ xcoff_link_add_symbols (bfd *abfd, struct bfd_link_info *info)
section = bfd_und_section_ptr;
value = 0;
}
else if (sym.n_sclass == C_AIX_WEAKEXT
|| (*sym_hash)->root.type == bfd_link_hash_defweak)
{
/* At least one of the definitions is weak.
Allow the normal rules to take effect. */
}
else if ((*sym_hash)->root.u.undef.next != NULL
|| info->hash->undefs_tail == &(*sym_hash)->root)
{
@ -1723,8 +1750,7 @@ xcoff_link_add_symbols (bfd *abfd, struct bfd_link_info *info)
}
}
else if (((*sym_hash)->flags & XCOFF_MULTIPLY_DEFINED) != 0
&& ((*sym_hash)->root.type == bfd_link_hash_defined
|| (*sym_hash)->root.type == bfd_link_hash_defweak)
&& (*sym_hash)->root.type == bfd_link_hash_defined
&& (bfd_is_und_section (section)
|| bfd_is_com_section (section)))
{
@ -1759,6 +1785,7 @@ xcoff_link_add_symbols (bfd *abfd, struct bfd_link_info *info)
a second time from the csects. */
BFD_ASSERT (last_real->next == first_csect);
last_real->next = NULL;
flags = (sym.n_sclass == C_EXT ? BSF_GLOBAL : BSF_WEAK);
if (! (_bfd_generic_link_add_one_symbol
(info, abfd, name, flags, section, value,
NULL, copy, TRUE,
@ -2073,7 +2100,7 @@ xcoff_link_check_ar_symbols (bfd *abfd,
bfd_coff_swap_sym_in (abfd, (void *) esym, (void *) &sym);
if (sym.n_sclass == C_EXT && sym.n_scnum != N_UNDEF)
if (EXTERN_SYM_P (sym.n_sclass) && sym.n_scnum != N_UNDEF)
{
const char *name;
char buf[SYMNMLEN + 1];
@ -3070,7 +3097,7 @@ xcoff_keep_symbol_p (struct bfd_link_info *info, bfd *input_bfd,
return 0;
/* Discard symbols that are defined elsewhere. */
if (isym->n_sclass == C_EXT)
if (EXTERN_SYM_P (isym->n_sclass))
{
if ((h->flags & XCOFF_ALLOCATED) != 0)
return 0;
@ -3081,7 +3108,7 @@ xcoff_keep_symbol_p (struct bfd_link_info *info, bfd *input_bfd,
/* If we're discarding local symbols, check whether ISYM is local. */
smtyp = SMTYP_SMTYP (aux->x_csect.x_smtyp);
if (info->discard == discard_all
&& isym->n_sclass != C_EXT
&& !EXTERN_SYM_P (isym->n_sclass)
&& (isym->n_sclass != C_HIDEXT || smtyp != XTY_SD))
return 0;
@ -3109,7 +3136,7 @@ xcoff_keep_symbol_p (struct bfd_link_info *info, bfd *input_bfd,
return 0;
if (info->discard == discard_l
&& isym->n_sclass != C_EXT
&& !EXTERN_SYM_P (isym->n_sclass)
&& (isym->n_sclass != C_HIDEXT || smtyp != XTY_SD)
&& bfd_is_local_label_name (input_bfd, name))
return 0;
@ -3495,9 +3522,8 @@ bfd_xcoff_size_dynamic_sections (bfd *output_bfd,
bfd_coff_swap_sym_in (sub, esym, &sym);
/* If this is a C_EXT or C_HIDEXT symbol, we need the csect
information too. */
if (sym.n_sclass == C_EXT || sym.n_sclass == C_HIDEXT)
/* Read in the csect information, if any. */
if (CSECT_SYM_P (sym.n_sclass))
{
BFD_ASSERT (sym.n_numaux > 0);
bfd_coff_swap_aux_in (sub, esym + symesz * sym.n_numaux,
@ -3698,9 +3724,8 @@ xcoff_link_input_bfd (struct xcoff_final_link_info *finfo,
bfd_coff_swap_sym_in (input_bfd, (void *) esym, (void *) isymp);
/* If this is a C_EXT or C_HIDEXT symbol, we need the csect
information. */
if (isymp->n_sclass == C_EXT || isymp->n_sclass == C_HIDEXT)
/* Read in the csect information, if any. */
if (CSECT_SYM_P (isymp->n_sclass))
{
BFD_ASSERT (isymp->n_numaux > 0);
bfd_coff_swap_aux_in (input_bfd,
@ -3716,7 +3741,7 @@ xcoff_link_input_bfd (struct xcoff_final_link_info *finfo,
.loader symbol information. If this is an external symbol
reference to a defined symbol, though, then wait until we get
to the definition. */
if (isymp->n_sclass == C_EXT
if (EXTERN_SYM_P (isymp->n_sclass)
&& *sym_hash != NULL
&& (*sym_hash)->ldsym != NULL
&& xcoff_final_definition_p (input_bfd, *sym_hash, *csectpp))
@ -3751,6 +3776,8 @@ xcoff_link_input_bfd (struct xcoff_final_link_info *finfo,
ldsym->l_smtype |= L_EXPORT;
if ((h->flags & XCOFF_ENTRY) != 0)
ldsym->l_smtype |= L_ENTRY;
if (isymp->n_sclass == C_AIX_WEAKEXT)
ldsym->l_smtype |= L_WEAK;
ldsym->l_smclas = aux.x_csect.x_smclas;
@ -3812,7 +3839,7 @@ xcoff_link_input_bfd (struct xcoff_final_link_info *finfo,
/* Assign the next unused index to this symbol. */
*indexp = output_index;
if (isymp->n_sclass == C_EXT)
if (EXTERN_SYM_P (isymp->n_sclass))
{
BFD_ASSERT (*sym_hash != NULL);
(*sym_hash)->indx = output_index;
@ -4018,8 +4045,7 @@ xcoff_link_input_bfd (struct xcoff_final_link_info *finfo,
aux.x_file.x_n.x_offset = STRING_SIZE_SIZE + indx;
}
}
else if ((isymp->n_sclass == C_EXT
|| isymp->n_sclass == C_HIDEXT)
else if (CSECT_SYM_P (isymp->n_sclass)
&& i + 1 == isymp->n_numaux)
{
@ -4098,8 +4124,7 @@ xcoff_link_input_bfd (struct xcoff_final_link_info *finfo,
/* Copy over the line numbers, unless we are stripping
them. We do this on a symbol by symbol basis in
order to more easily handle garbage collection. */
if ((isymp->n_sclass == C_EXT
|| isymp->n_sclass == C_HIDEXT)
if (CSECT_SYM_P (isymp->n_sclass)
&& i == 0
&& isymp->n_numaux > 1
&& ISFCN (isymp->n_type)
@ -5194,7 +5219,11 @@ xcoff_write_global_symbol (struct xcoff_link_hash_entry *h, void * inf)
{
isym.n_value = 0;
isym.n_scnum = N_UNDEF;
isym.n_sclass = C_EXT;
if (h->root.type == bfd_link_hash_undefweak
&& C_WEAKEXT == C_AIX_WEAKEXT)
isym.n_sclass = C_WEAKEXT;
else
isym.n_sclass = C_EXT;
aux.x_csect.x_smtyp = XTY_ER;
}
else if ((h->root.type == bfd_link_hash_defined
@ -5204,7 +5233,11 @@ xcoff_write_global_symbol (struct xcoff_link_hash_entry *h, void * inf)
BFD_ASSERT (bfd_is_abs_section (h->root.u.def.section));
isym.n_value = h->root.u.def.value;
isym.n_scnum = N_UNDEF;
isym.n_sclass = C_EXT;
if (h->root.type == bfd_link_hash_undefweak
&& C_WEAKEXT == C_AIX_WEAKEXT)
isym.n_sclass = C_WEAKEXT;
else
isym.n_sclass = C_EXT;
aux.x_csect.x_smtyp = XTY_ER;
}
else if (h->root.type == bfd_link_hash_defined
@ -5266,7 +5299,11 @@ xcoff_write_global_symbol (struct xcoff_link_hash_entry *h, void * inf)
/* We just output an SD symbol. Now output an LD symbol. */
h->indx += 2;
isym.n_sclass = C_EXT;
if (h->root.type == bfd_link_hash_undefweak
&& C_WEAKEXT == C_AIX_WEAKEXT)
isym.n_sclass = C_WEAKEXT;
else
isym.n_sclass = C_EXT;
bfd_coff_swap_sym_out (output_bfd, (void *) &isym, (void *) outsym);
outsym += bfd_coff_symesz (output_bfd);

5
gas/ChangeLog
View File

@ -1,3 +1,8 @@
2009-03-14 Richard Sandiford <r.sandiford@uk.ibm.com>
* config/tc-ppc.c (ppc_frob_symbol): Add csect information for
C_AIX_WEAKEXT too.
2009-03-14 Richard Sandiford <r.sandiford@uk.ibm.com>
* config/tc-ppc.c (md_apply_fix): On COFF targets, always reread

1
gas/config/tc-ppc.c
View File

@ -5170,6 +5170,7 @@ ppc_frob_symbol (symbolS *sym)
S_SET_STORAGE_CLASS (sym, C_HIDEXT);
if (S_GET_STORAGE_CLASS (sym) == C_EXT
|| S_GET_STORAGE_CLASS (sym) == C_AIX_WEAKEXT
|| S_GET_STORAGE_CLASS (sym) == C_HIDEXT)
{
int i;

10
include/coff/ChangeLog
View File

@ -1,3 +1,13 @@
2009-03-14 Richard Sandiford <r.sandiford@uk.ibm.com>
* internal.h (C_AIX_WEAKEXT): New macro.
(C_WEAKEXT): Use the GNU definition in the generic part of the file,
and conditionally reset it to C_AIX_WEAKEXT in the XCOFF part of
the file.
(CSECT_SYM_P): New macro.
* xcoff.h (L_WEAK): Define.
(EXTERN_SYM_P): New macro.
2009-03-14 Richard Sandiford <r.sandiford@uk.ibm.com>
* xcoff.h (XCOFF_ALLOCATED): New flag.

15
include/coff/internal.h
View File

@ -273,12 +273,7 @@ struct internal_aouthdr
#define C_LINE 104 /* line # reformatted as symbol table entry */
#define C_ALIAS 105 /* duplicate tag */
#define C_HIDDEN 106 /* ext symbol in dmert public lib */
#if defined _AIX52 || defined AIX_WEAK_SUPPORT
#define C_WEAKEXT 111 /* weak symbol -- AIX standard. */
#else
#define C_WEAKEXT 127 /* weak symbol -- GNU extension. */
#endif
/* New storage classes for TI COFF */
#define C_UEXT 19 /* Tentative external definition */
@ -311,6 +306,12 @@ struct internal_aouthdr
#define C_HIDEXT 107 /* Un-named external symbol */
#define C_BINCL 108 /* Marks beginning of include file */
#define C_EINCL 109 /* Marks ending of include file */
#define C_AIX_WEAKEXT 111 /* AIX definition of C_WEAKEXT. */
#if defined _AIX52 || defined AIX_WEAK_SUPPORT
#undef C_WEAKEXT
#define C_WEAKEXT C_AIX_WEAKEXT
#endif
/* storage classes for stab symbols for RS/6000 */
#define C_GSYM (0x80)
@ -336,6 +337,10 @@ struct internal_aouthdr
#define C_THUMBEXTFUNC (C_THUMBEXT + 20) /* 150 */
#define C_THUMBSTATFUNC (C_THUMBSTAT + 20) /* 151 */
/* True if XCOFF symbols of class CLASS have auxillary csect information. */
#define CSECT_SYM_P(CLASS) \
((CLASS) == C_EXT || (CLASS) == C_AIX_WEAKEXT || (CLASS) == C_HIDEXT)
/********************** SECTION HEADER **********************/
#define SCNNMLEN (8)

6
include/coff/xcoff.h
View File

@ -214,6 +214,8 @@ struct internal_ldsym
#define L_ENTRY (0x20)
/* Exported symbol. */
#define L_EXPORT (0x10)
/* Weak symbol. */
#define L_WEAK (0x08)
/* The ldrel structure. This is used to represent a reloc in the
.loader section. */
@ -644,4 +646,8 @@ struct xcoff_ar_hdr_big
#define arch_xhdr_big(bfd) \
((struct xcoff_ar_hdr_big *) arch_eltdata (bfd)->arch_header)
/* True if symbols of class CLASS are external. */
#define EXTERN_SYM_P(CLASS) \
((CLASS) == C_EXT || (CLASS) == C_AIX_WEAKEXT)
#endif /* _INTERNAL_XCOFF_H */

22
ld/testsuite/ChangeLog
View File

@ -1,3 +1,25 @@
2009-03-14 Richard Sandiford <r.sandiford@uk.ibm.com>
* ld-powerpc/aix-glink-2a.s, ld-powerpc/aix-glink-2a.ex,
ld-powerpc/aix-glink-2b.s, ld-powerpc/aix-glink-2c.s,
ld-powerpc/aix-glink-2c.ex, ld-powerpc/aix-glink-2d.s,
ld-powerpc/aix-glink-2-32.dd, ld-powerpc/aix-glink-2-64.dd,
ld-powerpc/aix-weak-1a.s, ld-powerpc/aix-weak-1b.s,
ld-powerpc/aix-weak-1-rel.hd, ld-powerpc/aix-weak-1-rel.nd,
ld-powerpc/aix-weak-1-dso.hd, ld-powerpc/aix-weak-1-dso.nd,
ld-powerpc/aix-weak-1-dso.dnd, ld-powerpc/aix-weak-1.ex,
ld-powerpc/aix-weak-2a.s, ld-powerpc/aix-weak-2a.ex,
ld-powerpc/aix-weak-2a.nd, ld-powerpc/aix-weak-2b.s,
ld-powerpc/aix-weak-2b.nd, ld-powerpc/aix-weak-2c.s,
ld-powerpc/aix-weak-2c.ex, ld-powerpc/aix-weak-2c.nd,
ld-powerpc/aix-weak-2c.od, ld-powerpc/aix-weak-3a.s,
ld-powerpc/aix-weak-3a.ex, ld-powerpc/aix-weak-3b.s,
ld-powerpc/aix-weak-3b.ex, ld-powerpc/aix-weak-3-32.d,
ld-powerpc/aix-weak-3-32.dd, ld-powerpc/aix-weak-3-64.d,
ld-powerpc/aix-weak-3-64.dd: New tests.
* ld-powerpc/aix52.exp: Run them. Replace tmp/aix-* with
tmp/aix64-* in 64-bit ld options.
2009-03-14 Richard Sandiford <r.sandiford@uk.ibm.com>
* ld-powerpc/aix-no-dup-syms-1a.s, ld-powerpc/aix-no-dup-syms-1b.s,

69
ld/testsuite/ld-powerpc/aix-glink-2-32.dd Normal file
View File

@ -0,0 +1,69 @@
tmpdir/aix-glink-2: file format aixcoff-rs6000
Disassembly of section \.text:
10000000 <\.b1>:
10000000: 60 00 00 00 oril r0,r0,0
10000004 <\.b2>:
10000004: 60 00 00 00 oril r0,r0,0
10000008 <\.b3>:
10000008: 60 00 00 00 oril r0,r0,0
1000000c <\.main>:
1000000c: 48 00 f1 03 bla f100 <.*>
10000010: 48 00 00 21 bl 10000030 <\.a2>
10000014: 48 00 00 41 bl 10000054 <\.a3>
10000018: 4b ff ff e9 bl 10000000 <\.b1>
1000001c: 4b ff ff e9 bl 10000004 <\.b2>
10000020: 4b ff ff e9 bl 10000008 <\.b3>
10000024: 48 00 f5 03 bla f500 <.*>
10000028: 48 00 00 51 bl 10000078 <\.c2>
1000002c: 48 00 00 71 bl 1000009c <\.c3>
10000030 <\.a2>:
10000030: 81 82 00 00 l r12,0\(r2\)
10000034: 90 41 00 14 st r2,20\(r1\)
10000038: 80 0c 00 00 l r0,0\(r12\)
1000003c: 80 4c 00 04 l r2,4\(r12\)
10000040: 7c 09 03 a6 mtctr r0
10000044: 4e 80 04 20 bctr
10000048: 00 00 00 00 \.long 0x0
1000004c: 00 0c 80 00 \.long 0xc8000
10000050: 00 00 00 00 \.long 0x0
10000054 <\.a3>:
10000054: 81 82 00 04 l r12,4\(r2\)
10000058: 90 41 00 14 st r2,20\(r1\)
1000005c: 80 0c 00 00 l r0,0\(r12\)
10000060: 80 4c 00 04 l r2,4\(r12\)
10000064: 7c 09 03 a6 mtctr r0
10000068: 4e 80 04 20 bctr
1000006c: 00 00 00 00 \.long 0x0
10000070: 00 0c 80 00 \.long 0xc8000
10000074: 00 00 00 00 \.long 0x0
10000078 <\.c2>:
10000078: 81 82 00 08 l r12,8\(r2\)
1000007c: 90 41 00 14 st r2,20\(r1\)
10000080: 80 0c 00 00 l r0,0\(r12\)
10000084: 80 4c 00 04 l r2,4\(r12\)
10000088: 7c 09 03 a6 mtctr r0
1000008c: 4e 80 04 20 bctr
10000090: 00 00 00 00 \.long 0x0
10000094: 00 0c 80 00 \.long 0xc8000
10000098: 00 00 00 00 \.long 0x0
1000009c <\.c3>:
1000009c: 81 82 00 0c l r12,12\(r2\)
100000a0: 90 41 00 14 st r2,20\(r1\)
100000a4: 80 0c 00 00 l r0,0\(r12\)
100000a8: 80 4c 00 04 l r2,4\(r12\)
100000ac: 7c 09 03 a6 mtctr r0
100000b0: 4e 80 04 20 bctr
100000b4: 00 00 00 00 \.long 0x0
100000b8: 00 0c 80 00 \.long 0xc8000
100000bc: 00 00 00 00 \.long 0x0

73
ld/testsuite/ld-powerpc/aix-glink-2-64.dd Normal file
View File

@ -0,0 +1,73 @@
tmpdir/aix64-glink-2: file format aix5coff64-rs6000
Disassembly of section \.text:
0000000010000000 <\.b1>:
10000000: 60 00 00 00 nop
0000000010000004 <\.b2>:
10000004: 60 00 00 00 nop
0000000010000008 <\.b3>:
10000008: 60 00 00 00 nop
000000001000000c <\.main>:
1000000c: 48 00 f1 03 bla f100 <.*>
10000010: 48 00 00 21 bl 10000030 <\.a2>
10000014: 48 00 00 45 bl 10000058 <\.a3>
10000018: 4b ff ff e9 bl 10000000 <\.b1>
1000001c: 4b ff ff e9 bl 10000004 <\.b2>
10000020: 4b ff ff e9 bl 10000008 <\.b3>
10000024: 48 00 f5 03 bla f500 <.*>
10000028: 48 00 00 59 bl 10000080 <\.c2>
1000002c: 48 00 00 7d bl 100000a8 <\.c3>
0000000010000030 <\.a2>:
10000030: e9 82 00 00 ld r12,0\(r2\)
10000034: f8 41 00 28 std r2,40\(r1\)
10000038: e8 0c 00 00 ld r0,0\(r12\)
1000003c: e8 4c 00 08 ld r2,8\(r12\)
10000040: 7c 09 03 a6 mtctr r0
10000044: 4e 80 04 20 bctr
10000048: 00 00 00 00 \.long 0x0
1000004c: 00 0c a0 00 \.long 0xca000
10000050: 00 00 00 00 \.long 0x0
10000054: 00 00 00 18 \.long 0x18
0000000010000058 <\.a3>:
10000058: e9 82 00 08 ld r12,8\(r2\)
1000005c: f8 41 00 28 std r2,40\(r1\)
10000060: e8 0c 00 00 ld r0,0\(r12\)
10000064: e8 4c 00 08 ld r2,8\(r12\)
10000068: 7c 09 03 a6 mtctr r0
1000006c: 4e 80 04 20 bctr
10000070: 00 00 00 00 \.long 0x0
10000074: 00 0c a0 00 \.long 0xca000
10000078: 00 00 00 00 \.long 0x0
1000007c: 00 00 00 18 \.long 0x18
0000000010000080 <\.c2>:
10000080: e9 82 00 10 ld r12,16\(r2\)
10000084: f8 41 00 28 std r2,40\(r1\)
10000088: e8 0c 00 00 ld r0,0\(r12\)
1000008c: e8 4c 00 08 ld r2,8\(r12\)
10000090: 7c 09 03 a6 mtctr r0
10000094: 4e 80 04 20 bctr
10000098: 00 00 00 00 \.long 0x0
1000009c: 00 0c a0 00 \.long 0xca000
100000a0: 00 00 00 00 \.long 0x0
100000a4: 00 00 00 18 \.long 0x18
00000000100000a8 <\.c3>:
100000a8: e9 82 00 18 ld r12,24\(r2\)
100000ac: f8 41 00 28 std r2,40\(r1\)
100000b0: e8 0c 00 00 ld r0,0\(r12\)
100000b4: e8 4c 00 08 ld r2,8\(r12\)
100000b8: 7c 09 03 a6 mtctr r0
100000bc: 4e 80 04 20 bctr
100000c0: 00 00 00 00 \.long 0x0
100000c4: 00 0c a0 00 \.long 0xca000
100000c8: 00 00 00 00 \.long 0x0
100000cc: 00 00 00 18 \.long 0x18

9
ld/testsuite/ld-powerpc/aix-glink-2a.ex Normal file
View File

@ -0,0 +1,9 @@
a1
a2
a3
b1
b2
b3
c1
c2
c3

41
ld/testsuite/ld-powerpc/aix-glink-2a.s Normal file
View File

@ -0,0 +1,41 @@
.toc
.macro defabs,type,name,value
\type \name
\name = \value
.endm
.macro deffun,type,name,fn
\type \name
.csect \name\()[DS]
\name\():
.if size == 32
.long .\name\()[PR],TOC[TC0],0
.else
.llong .\name\()[PR],TOC[TC0],0
.endif
.globl .\name
.csect .\name\()[PR]
.\name\():
nop
.endm
.macro defdata,type,name,contents
\type \name
.csect \name\()[RW]
\name\():
.long \contents
.endm
defabs .globl,a1,0xf100
deffun .globl,a2
defdata .globl,a3,0x1100
defabs .globl,b1,0xf200
deffun .globl,b2
defdata .globl,b3,0x2200
defabs .weak,c1,0xf300
deffun .weak,c2
defdata .weak,c3,0x3300

12
ld/testsuite/ld-powerpc/aix-glink-2b.s Normal file
View File

@ -0,0 +1,12 @@
.toc
.macro deffun,type,name
.globl .\name
.csect .\name\()[PR]
.\name\():
nop
.endm
deffun .globl,b1
deffun .globl,b2
deffun .globl,b3

6
ld/testsuite/ld-powerpc/aix-glink-2c.ex Normal file
View File

@ -0,0 +1,6 @@
a1
a2
a3
c1
c2
c3

33
ld/testsuite/ld-powerpc/aix-glink-2c.s Normal file
View File

@ -0,0 +1,33 @@
.toc
.macro defabs,type,name,value
\type \name
\name = \value
.endm
.macro deffun,type,name
\type \name
.csect \name\()[DS]
\name\():
.long \name\()[PR],TOC[TC0],0
.globl .\name
.csect .\name\()[PR]
.\name\():
nop
.endm
.macro defdata,type,name,contents
\type \name
.csect \name\()[RW]
\name\():
.long \contents
.endm
defabs .globl,a1,0xf400
deffun .globl,a2
defdata .globl,a3,0x4400
defabs .globl,c1,0xf500
deffun .globl,c2
defdata .globl,c3,0x5500

12
ld/testsuite/ld-powerpc/aix-glink-2d.s Normal file
View File

@ -0,0 +1,12 @@
.globl .main
.csect .main[PR]
.main:
bl .a1
bl .a2
bl .a3
bl .b1
bl .b2
bl .b3
bl .c1
bl .c2
bl .c3

17
ld/testsuite/ld-powerpc/aix-weak-1-dso.dnd Normal file
View File

@ -0,0 +1,17 @@
# Comments are (aix-weak-1a.s type) wins over/loses to (aix-weak-1b.s type)
# (strong common) loses to (strong data)
0*10000010 D a
# (strong common) wins over (weak data)
0*10000020 B b
# (strong data) wins over (strong common)
0*10000000 D c
# (weak data) loses to (strong common)
0*10000028 B d
# (weak common) loses to (strong data)
0*10000018 D e
# (weak common) wins over (weak data)
0*10000024 W f
# (strong data) wins over (weak common)
0*10000008 D g
# (weak data) wins over (weak common)
0*1000000c W h

12
ld/testsuite/ld-powerpc/aix-weak-1-dso.hd Normal file
View File

@ -0,0 +1,12 @@
.*
Sections:
Idx Name * Size * VMA * LMA * File off *Algn
*0 \.text * 0+00 * 0*10000000 * 0*10000000 * [^ ]+ * 2\*\*2
*ALLOC, LOAD, CODE
*1 \.data * 0+20 * 0*10000000 * 0*10000000 * [^ ]+ * 2\*\*3
*CONTENTS, ALLOC, LOAD, DATA
# Should only have 3 three common symbols.
*2 \.bss * 0+0c * 0*10000020 * 0*10000020 * [^ ]+ * 2\*\*3
*ALLOC
#pass

25
ld/testsuite/ld-powerpc/aix-weak-1-dso.nd Normal file
View File

@ -0,0 +1,25 @@
# Comments are (aix-weak-1a.s type) wins over/loses to (aix-weak-1b.s type)
# (strong common) loses to (strong data)
0*10000010 d a
0*10000010 D a
# (strong common) wins over (weak data)
0*10000020 B b
0*10000014 d b
# (strong data) wins over (strong common)
0*10000000 d c
0*10000000 D c
# (weak data) loses to (strong common)
0*10000004 d d
0*10000028 B d
# (weak common) loses to (strong data)
0*10000018 d e
0*10000018 D e
# (weak common) wins over (weak data)
0*10000024 W f
0*1000001c d f
# (strong data) wins over (weak common)
0*10000008 d g
0*10000008 D g
# (weak data) wins over (weak common)
0*1000000c d h
0*1000000c W h

12
ld/testsuite/ld-powerpc/aix-weak-1-rel.hd Normal file
View File

@ -0,0 +1,12 @@
.*
Sections:
Idx Name * Size * VMA * LMA * File off *Algn
*0 \.text * 0+00 * 0+00 * 0+00 * [^ ]+ * 2\*\*2
*ALLOC, LOAD, CODE
*1 \.data * 0+20 * 0+00 * 0+00 * [^ ]+ * 2\*\*3
*CONTENTS, ALLOC, LOAD, DATA
# Should only have 3 three common symbols.
*2 \.bss * 0+0c * 0+20 * 0+20 * [^ ]+ * 2\*\*3
*ALLOC
#pass

25
ld/testsuite/ld-powerpc/aix-weak-1-rel.nd Normal file
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@ -0,0 +1,25 @@
# Comments are (aix-weak-1a.s type) wins over/loses to (aix-weak-1b.s type)
# (strong common) loses to (strong data)
0+10 d a
0+10 D a
# (strong common) wins over (weak data)
0+20 B b
0+14 d b
# (strong data) wins over (strong common)
0+00 d c
0+00 D c
# (weak data) loses to (strong common)
0+04 d d
0+28 B d
# (weak common) loses to (strong data)
0+18 d e
0+18 D e
# (weak common) wins over (weak data)
0+24 W f
0+1c d f
# (strong data) wins over (weak common)
0+08 d g
0+08 D g
# (weak data) wins over (weak common)
0+0c d h
0+0c W h

8
ld/testsuite/ld-powerpc/aix-weak-1.ex Normal file
View File

@ -0,0 +1,8 @@
a
b
c
d
e
f
g
h

24
ld/testsuite/ld-powerpc/aix-weak-1a.s Normal file
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@ -0,0 +1,24 @@
.comm a,4
.comm b,4
.globl c
.csect c[RW],2
c:
.long 0x11111111
.weak d
.csect d[RW],2
d:
.long 0x22222222
# Same again, with weak common symbols
.weak e
.comm e,4
.weak f
.comm f,4
.globl g
.csect g[RW],2
g:
.long 0x33333333
.weak h
.csect h[RW],2
h:
.long 0x44444444

24
ld/testsuite/ld-powerpc/aix-weak-1b.s Normal file
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@ -0,0 +1,24 @@
.globl a
.csect a[RW],2
a:
.long 0x55555555
.weak b
.csect b[RW],2
b:
.long 0x66666666
.comm c,4
.comm d,4
# Same again, with weak common symbols
.globl e
.csect e[RW],2
e:
.long 0x77777777
.weak f
.csect f[RW],2
f:
.long 0x88888888
.weak g
.comm g,4
.weak h
.comm h,4

8
ld/testsuite/ld-powerpc/aix-weak-2a.ex Normal file
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@ -0,0 +1,8 @@
c1
c2
c3
c4
d1
d2
d3
d4

8
ld/testsuite/ld-powerpc/aix-weak-2a.nd Normal file
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@ -0,0 +1,8 @@
0*cccc1111 W c1
0*cccc2222 W c2
0*cccc3333 A c3
0*cccc4444 A c4
0*ffff1111 W d1
0*ffff2222 W d2
0*10000000 D d3
0*10000004 D d4

21
ld/testsuite/ld-powerpc/aix-weak-2a.s Normal file
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@ -0,0 +1,21 @@
.weak c1
c1 = 0xcccc1111
.weak c2
c2 = 0xcccc2222
.globl c3
c3 = 0xcccc3333
.globl c4
c4 = 0xcccc4444
.weak d1
d1 = 0xffff1111
.weak d2
d2 = 0xffff2222
.globl d3
.csect d3[DS]
d3:
.long 0xffff3333
.globl d4
.csect d4[DS]
d4:
.long 0xffff4444

8
ld/testsuite/ld-powerpc/aix-weak-2b.nd Normal file
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@ -0,0 +1,8 @@
0*dddd1111 A c1
0*dddd2222 W c2
0*dddd3333 A c3
0*dddd4444 W c4
0*10000000 D d1
0*eeee2222 W d2
0*10000004 D d3
0*eeee4444 W d4

21
ld/testsuite/ld-powerpc/aix-weak-2b.s Normal file
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@ -0,0 +1,21 @@
.globl c1
c1 = 0xdddd1111
.weak c2
c2 = 0xdddd2222
.globl c3
c3 = 0xdddd3333
.weak c4
c4 = 0xdddd4444
.globl d1
.csect d1[DS]
d1:
.long 0xeeee1111
.weak d2
d2 = 0xeeee2222
.globl d3
.csect d3[DS]
d3:
.long 0xeeee3333
.weak d4
d4 = 0xeeee4444

1
ld/testsuite/ld-powerpc/aix-weak-2c.ex Normal file
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@ -0,0 +1 @@
foo

10
ld/testsuite/ld-powerpc/aix-weak-2c.nd Normal file
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@ -0,0 +1,10 @@
0*dddd1111 C c1
0*cccc2222 C c2
0*cccc3333 C c3
0*cccc4444 C c4
* U d1
0*ffff2222 C d2
* U d3
* U d4
0*10000000 d foo
0*10000000 D foo

13
ld/testsuite/ld-powerpc/aix-weak-2c.od Normal file
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@ -0,0 +1,13 @@
.*
DYNAMIC RELOCATION RECORDS
OFFSET * TYPE * VALUE
0*10000010 R_POS * d1
0*10000018 R_POS * d3
0*1000001c R_POS * d4
Contents of section \.data:
0*10000000 dddd1111 cccc2222 cccc3333 cccc4444 .*
0*10000010 00000000 ffff2222 00000000 00000000 .*

11
ld/testsuite/ld-powerpc/aix-weak-2c.s Normal file
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@ -0,0 +1,11 @@
.globl foo
.csect foo[DS]
foo:
.long c1
.long c2
.long c3
.long c4
.long d1
.long d2
.long d3
.long d4

5
ld/testsuite/ld-powerpc/aix-weak-3-32.d Normal file
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@ -0,0 +1,5 @@
#name: Weak test 3 (main, static) (32-bit)
#source: aix-weak-3b.s
#as: -a32 --defsym size=32
#ld: -b32 -e.main -bnoautoimp tmpdir/aix-weak-3a.so
#error: .*multiple definition of `x1'\n[^\n]*first defined here

24
ld/testsuite/ld-powerpc/aix-weak-3-32.dd Normal file
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@ -0,0 +1,24 @@
.*
Disassembly of section \.data:
20000000 <x1>:
20000000: 00 00 01 02 .*
20000004 <x2>:
20000004: 00 00 03 04 .*
20000008 <TOC>:
20000008: 20 00 00 00 .*
20000008: R_POS x1\+.*
2000000c <x2>:
2000000c: 20 00 00 04 .*
2000000c: R_POS x2\+.*
20000010 <x3>:
20000010: 00 00 00 00 .*
20000010: R_POS x3
20000014: 00 00 00 00 .*

5
ld/testsuite/ld-powerpc/aix-weak-3-64.d Normal file
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@ -0,0 +1,5 @@
#name: Weak test 3 (main, static) (64-bit)
#source: aix-weak-3b.s
#as: -a64 --defsym size=64
#ld: -b64 -e.main -bnoautoimp tmpdir/aix64-weak-3a.so
#error: .*multiple definition of `x1'\n[^\n]*first defined here

26
ld/testsuite/ld-powerpc/aix-weak-3-64.dd Normal file
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@ -0,0 +1,26 @@
.*
Disassembly of section \.data:
0000000020000000 <x1>:
20000000: 00 00 01 02 .*
0000000020000004 <x2>:
20000004: 00 00 03 04 .*
0000000020000008 <TOC>:
20000008: 00 00 00 00 .*
20000008: R_POS_64 x1\+.*
2000000c: 20 00 00 00 .*
0000000020000010 <x2>:
20000010: 00 00 00 00 .*
20000010: R_POS_64 x2\+.*
20000014: 20 00 00 04 .*
0000000020000018 <x3>:
20000018: 00 00 00 00 .*
20000018: R_POS_64 x3
2000001c: 00 00 00 00 .*

3
ld/testsuite/ld-powerpc/aix-weak-3a.ex Normal file
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@ -0,0 +1,3 @@
x1
x2
x3

8
ld/testsuite/ld-powerpc/aix-weak-3a.s Normal file
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@ -0,0 +1,8 @@
.globl x1
x1 = 0x11223344
.globl x2
x2 = 0x55667788
.globl x3
.csect x3[RW]
x3:
.long 42

1
ld/testsuite/ld-powerpc/aix-weak-3b.ex Normal file
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@ -0,0 +1 @@
y

30
ld/testsuite/ld-powerpc/aix-weak-3b.s Normal file
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@ -0,0 +1,30 @@
.globl x1
.csect x1[RW]
x1:
.long 0x0102
.weak x2
.csect x2[RW]
x2:
.long 0x0304
.toc
Tx1:
.tc x1[TC],x1
Tx2:
.tc x2[TC],x2
Tx3:
.tc x3[TC],x3
.globl .main
.csect .main[PR]
.main:
.if size == 32
lwz 1,Tx1(2)
lwz 1,Tx2(2)
lwz 1,Tx3(2)
.else
ld 1,Tx1(2)
ld 1,Tx2(2)
ld 1,Tx3(2)
.endif

61
ld/testsuite/ld-powerpc/aix52.exp
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@ -124,6 +124,64 @@ set aix52tests {
{{objdump -dS aix-lineno-1b.dd} {nm {} aix-lineno-1b.nd}}
"aix-lineno-1b.exe"}
{"Glink test 2 (part a)" "-shared -bE:aix-glink-2a.ex"
"" {aix-glink-2a.s}
{}
"aix-glink-2a.so"}
{"Glink test 2 (part b)" "-r"
"" {aix-glink-2b.s}
{}
"aix-glink-2b.ro"}
{"Glink test 2 (part c)" "-shared -bE:aix-glink-2c.ex"
"" {aix-glink-2c.s}
{}
"aix-glink-2c.so"}
{"Glink test 2"
"-e.main tmpdir/aix-glink-2a.so tmpdir/aix-glink-2b.ro tmpdir/aix-glink-2c.so"
"" {aix-glink-2d.s}
{{objdump -d aix-glink-2-SIZE.dd}}
"aix-glink-2"}
{"Weak test 1 (rel)" "-r"
"" {aix-weak-1a.s aix-weak-1b.s}
{{nm {} aix-weak-1-rel.nd} {objdump -h aix-weak-1-rel.hd}}
"aix-weak-1.o"}
{"Weak test 1 (shared, nogc)" "-shared -bE:aix-weak-1.ex -bnogc"
"" {aix-weak-1a.s aix-weak-1b.s}
{{nm {} aix-weak-1-dso.nd} {objdump -h aix-weak-1-dso.hd}
{nm -D aix-weak-1-dso.dnd}}
"aix-weak-1-nogc.so"}
{"Weak test 2 (library 1)" "-shared -bE:aix-weak-2a.ex"
"" {aix-weak-2a.s}
{{nm -D aix-weak-2a.nd}}
"aix-weak-2a.so"}
{"Weak test 2 (library 2)" "-shared -bE:aix-weak-2a.ex"
"" {aix-weak-2b.s}
{{nm -D aix-weak-2b.nd}}
"aix-weak-2b.so"}
{"Weak test 2 (main library)"
"-shared -bE:aix-weak-2c.ex tmpdir/aix-weak-2a.so tmpdir/aix-weak-2b.so"
"" {aix-weak-2c.s}
{{nm {} aix-weak-2c.nd} {objdump {-sj.data -R} aix-weak-2c.od}}
"aix-weak-2c.so"}
{"Weak test 3 (library)" "-shared -bE:aix-weak-3a.ex"
"" {aix-weak-3a.s}
{}
"aix-weak-3a.so"}
{"Weak test 3 (main, dynamic)" "-e.main tmpdir/aix-weak-3a.so"
"" {aix-weak-3b.s}
{{objdump -Dzrj.data aix-weak-3-SIZE.dd}}
"aix-weak-3"}
{"TOC test 1" "-shared -bE:aix-toc-1.ex"
"" {aix-toc-1a.s aix-toc-1b.s}
{{objdump -dr aix-toc-1-SIZE.dd}}
@ -136,3 +194,6 @@ foreach test $aix52tests {
run_aix_test 64 $name $ldopts $asopts $sources $tools $output
}
}
run_dump_test "aix-weak-3-32"
run_dump_test "aix-weak-3-64"