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author | Richard Sandiford <rdsandiford@googlemail.com> | 2009-06-02 18:51:34 +0000 |
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committer | Richard Sandiford <rdsandiford@googlemail.com> | 2009-06-02 18:51:34 +0000 |
commit | 94313f361f6116eb48c1f07e82ec7c4ae1dfe2a8 (patch) | |
tree | a0651b295dcf1292cda691524a14355144fda04f /bfd/xcofflink.c | |
parent | 7afd84dc1f020ccc7e867f41ef49656314ec4338 (diff) | |
download | gdb-94313f361f6116eb48c1f07e82ec7c4ae1dfe2a8.zip gdb-94313f361f6116eb48c1f07e82ec7c4ae1dfe2a8.tar.gz gdb-94313f361f6116eb48c1f07e82ec7c4ae1dfe2a8.tar.bz2 |
bfd/
* coff-rs6000.c (xcoff_ppc_relocate_section): Allow undefined
symbols to be left unimported when linking statically.
* xcofflink.c (xcoff_link_add_symbols): Ignore global linkage
code when linking statically.
ld/testsuite/
* ld-powerpc/aix-glink-3.s, ld-powerpc/aix-glink-3a.s,
ld-powerpc/aix-glink-3b.s, ld-powerpc/aix-glink-3.dd,
ld-powerpc/aix-glink-3-32.d, ld-powerpc/aix-glink-3-64.d: New tests.
* ld-powerpc/aix52.exp: Run them. Move the lineno tests to maintain
alphabetical order.
Diffstat (limited to 'bfd/xcofflink.c')
-rw-r--r-- | bfd/xcofflink.c | 39 |
1 files changed, 19 insertions, 20 deletions
diff --git a/bfd/xcofflink.c b/bfd/xcofflink.c index 896292b..1c2d0cb 100644 --- a/bfd/xcofflink.c +++ b/bfd/xcofflink.c @@ -1889,6 +1889,15 @@ xcoff_link_add_symbols (bfd *abfd, struct bfd_link_info *info) || sym._n._n_n._n_offset == 0) copy = TRUE; + /* Ignore global linkage code when linking statically. */ + if (info->static_link + && (smtyp == XTY_SD || smtyp == XTY_LD) + && aux.x_csect.x_smclas == XMC_GL) + { + section = bfd_und_section_ptr; + value = 0; + } + /* The AIX linker appears to only detect multiple symbol definitions when there is a reference to the symbol. If a symbol is defined multiple times, and the only @@ -1913,8 +1922,7 @@ xcoff_link_add_symbols (bfd *abfd, struct bfd_link_info *info) We also have to handle the case of statically linking a shared object, which will cause symbol redefinitions, although this is an easier case to detect. */ - - if (info->output_bfd->xvec == abfd->xvec) + else if (info->output_bfd->xvec == abfd->xvec) { if (! bfd_is_und_section (section)) *sym_hash = xcoff_link_hash_lookup (xcoff_hash_table (info), @@ -1934,23 +1942,8 @@ xcoff_link_add_symbols (bfd *abfd, struct bfd_link_info *info) && ! bfd_is_com_section (section)) { /* This is a second definition of a defined symbol. */ - if ((abfd->flags & DYNAMIC) != 0 - && ((*sym_hash)->smclas != XMC_GL - || aux.x_csect.x_smclas == XMC_GL - || ((*sym_hash)->root.u.def.section->owner->flags - & DYNAMIC) == 0)) - { - /* The new symbol is from a shared library, and - either the existing symbol is not global - linkage code or this symbol is global linkage - code. If the existing symbol is global - linkage code and the new symbol is not, then - we want to use the new symbol. */ - section = bfd_und_section_ptr; - value = 0; - } - else if (((*sym_hash)->flags & XCOFF_DEF_REGULAR) == 0 - && ((*sym_hash)->flags & XCOFF_DEF_DYNAMIC) != 0) + 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. */ @@ -2049,7 +2042,9 @@ xcoff_link_add_symbols (bfd *abfd, struct bfd_link_info *info) { int flag; - if (smtyp == XTY_ER || smtyp == XTY_CM) + if (smtyp == XTY_ER + || smtyp == XTY_CM + || section == bfd_und_section_ptr) flag = XCOFF_REF_REGULAR; else flag = XCOFF_DEF_REGULAR; @@ -2741,6 +2736,10 @@ xcoff_mark_symbol (struct bfd_link_info *info, struct xcoff_link_hash_entry *h) /* We handle writing out the contents of the descriptor in xcoff_write_global_symbol. */ } + else if (info->static_link) + /* We can't get a symbol value dynamically, so just assume + that it's undefined. */ + h->flags |= XCOFF_WAS_UNDEFINED; else if ((h->flags & XCOFF_CALLED) != 0) { /* This is a function symbol for which we need to create |