From: Alan Modra Date: Wed, 4 Jul 2018 01:11:31 +0000 (+0930) Subject: Error for mismatched powerpc ABI tags X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4a91d0ba307eb24eb87ad27f4ea8fcde823c3e61;p=binutils-gdb.git Error for mismatched powerpc ABI tags And report the two input files that are incompatible rather than reporting that an input file is incompatible with the output. bfd/ * elf-bfd.h (_bfd_elf_ppc_merge_fp_attributes): Update prototype. * elf32-ppc.c (_bfd_elf_ppc_merge_fp_attributes): Return error on mismatch. Remove "warning: " from messages. Track last bfd used to set tags. (ppc_elf_merge_obj_attributes): Likewise. Handle status from _bfd_elf_ppc_merge_fp_attributes. * elf64-ppc.c (ppc64_elf_merge_private_bfd_data): Handle status from _bfd_elf_ppc_merge_fp_attributes. ld/ * testsuite/ld-powerpc/attr-gnu-4-12.d: Update expected output. * testsuite/ld-powerpc/attr-gnu-4-13.d: Likewise. * testsuite/ld-powerpc/attr-gnu-4-21.d: Likewise. * testsuite/ld-powerpc/attr-gnu-4-23.d: Likewise. * testsuite/ld-powerpc/attr-gnu-4-31.d: Likewise. * testsuite/ld-powerpc/attr-gnu-4-32.d: Likewise. * testsuite/ld-powerpc/attr-gnu-8-23.d: Likewise. * testsuite/ld-powerpc/attr-gnu-12-21.d: Likewise. --- diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 9fad8388f75..a39334cae8e 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,14 @@ +2018-07-05 Alan Modra + + * elf-bfd.h (_bfd_elf_ppc_merge_fp_attributes): Update prototype. + * elf32-ppc.c (_bfd_elf_ppc_merge_fp_attributes): Return error + on mismatch. Remove "warning: " from messages. Track last bfd + used to set tags. + (ppc_elf_merge_obj_attributes): Likewise. Handle status from + _bfd_elf_ppc_merge_fp_attributes. + * elf64-ppc.c (ppc64_elf_merge_private_bfd_data): Handle status + from _bfd_elf_ppc_merge_fp_attributes. + 2018-07-04 H.J. Lu * Makefile.am (bfdinclude_HEADERS): Add $(INCDIR)/diagnostics.h. diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h index 3ed16de89c4..e8eac7bf01d 100644 --- a/bfd/elf-bfd.h +++ b/bfd/elf-bfd.h @@ -2548,7 +2548,8 @@ extern unsigned int _bfd_elf_ppc_at_tprel_transform /* PowerPC elf_object_p tweak. */ extern bfd_boolean _bfd_elf_ppc_set_arch (bfd *); /* PowerPC .gnu.attributes handling common to both 32-bit and 64-bit. */ -extern void _bfd_elf_ppc_merge_fp_attributes (bfd *, struct bfd_link_info *); +extern bfd_boolean _bfd_elf_ppc_merge_fp_attributes + (bfd *, struct bfd_link_info *); /* Exported interface for writing elf corefile notes. */ extern char *elfcore_write_note diff --git a/bfd/elf32-ppc.c b/bfd/elf32-ppc.c index a97e1279485..30246740076 100644 --- a/bfd/elf32-ppc.c +++ b/bfd/elf32-ppc.c @@ -4713,12 +4713,13 @@ ppc_elf_check_relocs (bfd *abfd, /* Warn for conflicting Tag_GNU_Power_ABI_FP attributes between IBFD and OBFD, and merge non-conflicting ones. */ -void +bfd_boolean _bfd_elf_ppc_merge_fp_attributes (bfd *ibfd, struct bfd_link_info *info) { bfd *obfd = info->output_bfd; obj_attribute *in_attr, *in_attrs; obj_attribute *out_attr, *out_attrs; + bfd_boolean ret = TRUE; in_attrs = elf_known_obj_attributes (ibfd)[OBJ_ATTR_GNU]; out_attrs = elf_known_obj_attributes (obfd)[OBJ_ATTR_GNU]; @@ -4730,6 +4731,7 @@ _bfd_elf_ppc_merge_fp_attributes (bfd *ibfd, struct bfd_link_info *info) { int in_fp = in_attr->i & 3; int out_fp = out_attr->i & 3; + static bfd *last_fp, *last_ld; if (in_fp == 0) ; @@ -4737,38 +4739,39 @@ _bfd_elf_ppc_merge_fp_attributes (bfd *ibfd, struct bfd_link_info *info) { out_attr->type = ATTR_TYPE_FLAG_INT_VAL; out_attr->i ^= in_fp; + last_fp = ibfd; } else if (out_fp != 2 && in_fp == 2) { _bfd_error_handler /* xgettext:c-format */ - (_("warning: %pB uses hard float, %pB uses soft float"), - obfd, ibfd); - out_attr->type = ATTR_TYPE_FLAG_INT_VAL | ATTR_TYPE_FLAG_ERROR; + (_("%pB uses hard float, %pB uses soft float"), + last_fp, ibfd); + ret = FALSE; } else if (out_fp == 2 && in_fp != 2) { _bfd_error_handler /* xgettext:c-format */ - (_("warning: %pB uses hard float, %pB uses soft float"), - ibfd, obfd); - out_attr->type = ATTR_TYPE_FLAG_INT_VAL | ATTR_TYPE_FLAG_ERROR; + (_("%pB uses hard float, %pB uses soft float"), + ibfd, last_fp); + ret = FALSE; } else if (out_fp == 1 && in_fp == 3) { _bfd_error_handler /* xgettext:c-format */ - (_("warning: %pB uses double-precision hard float, " - "%pB uses single-precision hard float"), obfd, ibfd); - out_attr->type = ATTR_TYPE_FLAG_INT_VAL | ATTR_TYPE_FLAG_ERROR; + (_("%pB uses double-precision hard float, " + "%pB uses single-precision hard float"), last_fp, ibfd); + ret = FALSE; } else if (out_fp == 3 && in_fp == 1) { _bfd_error_handler /* xgettext:c-format */ - (_("warning: %pB uses double-precision hard float, " - "%pB uses single-precision hard float"), ibfd, obfd); - out_attr->type = ATTR_TYPE_FLAG_INT_VAL | ATTR_TYPE_FLAG_ERROR; + (_("%pB uses double-precision hard float, " + "%pB uses single-precision hard float"), ibfd, last_fp); + ret = FALSE; } in_fp = in_attr->i & 0xc; @@ -4779,40 +4782,48 @@ _bfd_elf_ppc_merge_fp_attributes (bfd *ibfd, struct bfd_link_info *info) { out_attr->type = ATTR_TYPE_FLAG_INT_VAL; out_attr->i ^= in_fp; + last_ld = ibfd; } else if (out_fp != 2 * 4 && in_fp == 2 * 4) { _bfd_error_handler /* xgettext:c-format */ - (_("warning: %pB uses 64-bit long double, " - "%pB uses 128-bit long double"), ibfd, obfd); - out_attr->type = ATTR_TYPE_FLAG_INT_VAL | ATTR_TYPE_FLAG_ERROR; + (_("%pB uses 64-bit long double, " + "%pB uses 128-bit long double"), ibfd, last_ld); + ret = FALSE; } else if (in_fp != 2 * 4 && out_fp == 2 * 4) { _bfd_error_handler /* xgettext:c-format */ - (_("warning: %pB uses 64-bit long double, " - "%pB uses 128-bit long double"), obfd, ibfd); - out_attr->type = ATTR_TYPE_FLAG_INT_VAL | ATTR_TYPE_FLAG_ERROR; + (_("%pB uses 64-bit long double, " + "%pB uses 128-bit long double"), last_ld, ibfd); + ret = FALSE; } else if (out_fp == 1 * 4 && in_fp == 3 * 4) { _bfd_error_handler /* xgettext:c-format */ - (_("warning: %pB uses IBM long double, " - "%pB uses IEEE long double"), obfd, ibfd); - out_attr->type = ATTR_TYPE_FLAG_INT_VAL | ATTR_TYPE_FLAG_ERROR; + (_("%pB uses IBM long double, " + "%pB uses IEEE long double"), last_ld, ibfd); + ret = FALSE; } else if (out_fp == 3 * 4 && in_fp == 1 * 4) { _bfd_error_handler /* xgettext:c-format */ - (_("warning: %pB uses IBM long double, " - "%pB uses IEEE long double"), ibfd, obfd); - out_attr->type = ATTR_TYPE_FLAG_INT_VAL | ATTR_TYPE_FLAG_ERROR; + (_("%pB uses IBM long double, " + "%pB uses IEEE long double"), ibfd, last_ld); + ret = FALSE; } } + + if (!ret) + { + out_attr->type = ATTR_TYPE_FLAG_INT_VAL | ATTR_TYPE_FLAG_ERROR; + bfd_set_error (bfd_error_bad_value); + } + return ret; } /* Merge object attributes from IBFD into OBFD. Warn if @@ -4823,8 +4834,10 @@ ppc_elf_merge_obj_attributes (bfd *ibfd, struct bfd_link_info *info) bfd *obfd; obj_attribute *in_attr, *in_attrs; obj_attribute *out_attr, *out_attrs; + bfd_boolean ret; - _bfd_elf_ppc_merge_fp_attributes (ibfd, info); + if (!_bfd_elf_ppc_merge_fp_attributes (ibfd, info)) + return FALSE; obfd = info->output_bfd; in_attrs = elf_known_obj_attributes (ibfd)[OBJ_ATTR_GNU]; @@ -4834,10 +4847,12 @@ ppc_elf_merge_obj_attributes (bfd *ibfd, struct bfd_link_info *info) merge non-conflicting ones. */ in_attr = &in_attrs[Tag_GNU_Power_ABI_Vector]; out_attr = &out_attrs[Tag_GNU_Power_ABI_Vector]; + ret = TRUE; if (in_attr->i != out_attr->i) { int in_vec = in_attr->i & 3; int out_vec = out_attr->i & 3; + static bfd *last_vec; if (in_vec == 0) ; @@ -4845,6 +4860,7 @@ ppc_elf_merge_obj_attributes (bfd *ibfd, struct bfd_link_info *info) { out_attr->type = ATTR_TYPE_FLAG_INT_VAL; out_attr->i = in_vec; + last_vec = ibfd; } /* For now, allow generic to transition to AltiVec or SPE without a warning. If GCC marked files with their stack @@ -4857,22 +4873,25 @@ ppc_elf_merge_obj_attributes (bfd *ibfd, struct bfd_link_info *info) { out_attr->type = ATTR_TYPE_FLAG_INT_VAL; out_attr->i = in_vec; + last_vec = ibfd; } else if (out_vec < in_vec) { _bfd_error_handler /* xgettext:c-format */ - (_("warning: %pB uses AltiVec vector ABI, %pB uses SPE vector ABI"), - obfd, ibfd); + (_("%pB uses AltiVec vector ABI, %pB uses SPE vector ABI"), + last_vec, ibfd); out_attr->type = ATTR_TYPE_FLAG_INT_VAL | ATTR_TYPE_FLAG_ERROR; + ret = FALSE; } else if (out_vec > in_vec) { _bfd_error_handler /* xgettext:c-format */ - (_("warning: %pB uses AltiVec vector ABI, %pB uses SPE vector ABI"), - ibfd, obfd); + (_("%pB uses AltiVec vector ABI, %pB uses SPE vector ABI"), + ibfd, last_vec); out_attr->type = ATTR_TYPE_FLAG_INT_VAL | ATTR_TYPE_FLAG_ERROR; + ret = FALSE; } } @@ -4884,6 +4903,7 @@ ppc_elf_merge_obj_attributes (bfd *ibfd, struct bfd_link_info *info) { int in_struct = in_attr->i & 3; int out_struct = out_attr->i & 3; + static bfd *last_struct; if (in_struct == 0 || in_struct == 3) ; @@ -4891,24 +4911,32 @@ ppc_elf_merge_obj_attributes (bfd *ibfd, struct bfd_link_info *info) { out_attr->type = ATTR_TYPE_FLAG_INT_VAL; out_attr->i = in_struct; + last_struct = ibfd; } else if (out_struct < in_struct) { _bfd_error_handler /* xgettext:c-format */ - (_("warning: %pB uses r3/r4 for small structure returns, " - "%pB uses memory"), obfd, ibfd); + (_("%pB uses r3/r4 for small structure returns, " + "%pB uses memory"), last_struct, ibfd); out_attr->type = ATTR_TYPE_FLAG_INT_VAL | ATTR_TYPE_FLAG_ERROR; + ret = FALSE; } else if (out_struct > in_struct) { _bfd_error_handler /* xgettext:c-format */ - (_("warning: %pB uses r3/r4 for small structure returns, " - "%pB uses memory"), ibfd, obfd); + (_("%pB uses r3/r4 for small structure returns, " + "%pB uses memory"), ibfd, last_struct); out_attr->type = ATTR_TYPE_FLAG_INT_VAL | ATTR_TYPE_FLAG_ERROR; + ret = FALSE; } } + if (!ret) + { + bfd_set_error (bfd_error_bad_value); + return FALSE; + } /* Merge Tag_compatibility attributes and any common GNU ones. */ return _bfd_elf_merge_object_attributes (ibfd, info); diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c index 894a3b7d1ac..b780f1ab13e 100644 --- a/bfd/elf64-ppc.c +++ b/bfd/elf64-ppc.c @@ -6177,7 +6177,8 @@ ppc64_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info) return FALSE; } - _bfd_elf_ppc_merge_fp_attributes (ibfd, info); + if (!_bfd_elf_ppc_merge_fp_attributes (ibfd, info)) + return FALSE; /* Merge Tag_compatibility attributes and any common GNU ones. */ return _bfd_elf_merge_object_attributes (ibfd, info); diff --git a/ld/ChangeLog b/ld/ChangeLog index e28d55d27b0..e7db3197fa9 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,14 @@ +2018-07-05 Alan Modra + + * testsuite/ld-powerpc/attr-gnu-4-12.d: Update expected output. + * testsuite/ld-powerpc/attr-gnu-4-13.d: Likewise. + * testsuite/ld-powerpc/attr-gnu-4-21.d: Likewise. + * testsuite/ld-powerpc/attr-gnu-4-23.d: Likewise. + * testsuite/ld-powerpc/attr-gnu-4-31.d: Likewise. + * testsuite/ld-powerpc/attr-gnu-4-32.d: Likewise. + * testsuite/ld-powerpc/attr-gnu-8-23.d: Likewise. + * testsuite/ld-powerpc/attr-gnu-12-21.d: Likewise. + 2018-07-04 H.J. Lu PR ld/23309 diff --git a/ld/testsuite/ld-powerpc/attr-gnu-12-21.d b/ld/testsuite/ld-powerpc/attr-gnu-12-21.d index d651d7aab02..43ce690ab1b 100644 --- a/ld/testsuite/ld-powerpc/attr-gnu-12-21.d +++ b/ld/testsuite/ld-powerpc/attr-gnu-12-21.d @@ -2,5 +2,5 @@ #source: attr-gnu-12-1.s #as: -a32 #ld: -r -melf32ppc -#warning: warning: .* uses r3/r4 for small structure returns, .* uses memory +#error: .* uses r3/r4 for small structure returns, .* uses memory #target: powerpc*-*-* diff --git a/ld/testsuite/ld-powerpc/attr-gnu-4-12.d b/ld/testsuite/ld-powerpc/attr-gnu-4-12.d index 9e5eb457852..642076a2a3e 100644 --- a/ld/testsuite/ld-powerpc/attr-gnu-4-12.d +++ b/ld/testsuite/ld-powerpc/attr-gnu-4-12.d @@ -2,5 +2,5 @@ #source: attr-gnu-4-2.s #as: -a32 #ld: -r -melf32ppc -#warning: warning: .* uses hard float, .* uses soft float +#error: .* uses hard float, .* uses soft float #target: powerpc*-*-* diff --git a/ld/testsuite/ld-powerpc/attr-gnu-4-13.d b/ld/testsuite/ld-powerpc/attr-gnu-4-13.d index d69da1d4839..255042ca3d7 100644 --- a/ld/testsuite/ld-powerpc/attr-gnu-4-13.d +++ b/ld/testsuite/ld-powerpc/attr-gnu-4-13.d @@ -2,5 +2,5 @@ #source: attr-gnu-4-3.s #as: -a32 #ld: -r -melf32ppc -#warning: warning: .* uses double-precision hard float, .* uses single-precision hard float +#error: .* uses double-precision hard float, .* uses single-precision hard float #target: powerpc*-*-* diff --git a/ld/testsuite/ld-powerpc/attr-gnu-4-21.d b/ld/testsuite/ld-powerpc/attr-gnu-4-21.d index 65020cc23f6..0e413264c9a 100644 --- a/ld/testsuite/ld-powerpc/attr-gnu-4-21.d +++ b/ld/testsuite/ld-powerpc/attr-gnu-4-21.d @@ -2,5 +2,5 @@ #source: attr-gnu-4-1.s #as: -a32 #ld: -r -melf32ppc -#warning: warning: .* uses hard float, .* uses soft float +#error: .* uses hard float, .* uses soft float #target: powerpc*-*-* diff --git a/ld/testsuite/ld-powerpc/attr-gnu-4-23.d b/ld/testsuite/ld-powerpc/attr-gnu-4-23.d index cb22893716c..ebac5e0cefc 100644 --- a/ld/testsuite/ld-powerpc/attr-gnu-4-23.d +++ b/ld/testsuite/ld-powerpc/attr-gnu-4-23.d @@ -2,5 +2,5 @@ #source: attr-gnu-4-3.s #as: -a32 #ld: -r -melf32ppc -#warning: warning: .* uses hard float, .* uses soft float +#error: .* uses hard float, .* uses soft float #target: powerpc*-*-* diff --git a/ld/testsuite/ld-powerpc/attr-gnu-4-31.d b/ld/testsuite/ld-powerpc/attr-gnu-4-31.d index 1686f4e74a1..e893ed1e78e 100644 --- a/ld/testsuite/ld-powerpc/attr-gnu-4-31.d +++ b/ld/testsuite/ld-powerpc/attr-gnu-4-31.d @@ -2,5 +2,5 @@ #source: attr-gnu-4-1.s #as: -a32 #ld: -r -melf32ppc -#warning: warning: .* uses double-precision hard float, .* uses single-precision hard float +#error: .* uses double-precision hard float, .* uses single-precision hard float #target: powerpc*-*-* diff --git a/ld/testsuite/ld-powerpc/attr-gnu-4-32.d b/ld/testsuite/ld-powerpc/attr-gnu-4-32.d index aeca8f3ed67..4cadff53231 100644 --- a/ld/testsuite/ld-powerpc/attr-gnu-4-32.d +++ b/ld/testsuite/ld-powerpc/attr-gnu-4-32.d @@ -2,5 +2,5 @@ #source: attr-gnu-4-2.s #as: -a32 #ld: -r -melf32ppc -#warning: warning: .* uses hard float, .* uses soft float +#error: .* uses hard float, .* uses soft float #target: powerpc*-*-* diff --git a/ld/testsuite/ld-powerpc/attr-gnu-8-23.d b/ld/testsuite/ld-powerpc/attr-gnu-8-23.d index 35189567562..efdd4cafcb6 100644 --- a/ld/testsuite/ld-powerpc/attr-gnu-8-23.d +++ b/ld/testsuite/ld-powerpc/attr-gnu-8-23.d @@ -2,5 +2,5 @@ #source: attr-gnu-8-3.s #as: -a32 #ld: -r -melf32ppc -#warning: warning: .* uses AltiVec vector ABI, .* uses SPE vector ABI +#error: .* uses AltiVec vector ABI, .* uses SPE vector ABI #target: powerpc*-*-*