+2009-06-02 Richard Sandiford <r.sandiford@uk.ibm.com>
+
+ * 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.
+
2009-06-02 H.J. Lu <hongjiu.lu@intel.com>
* elf32-i386.c (elf_i386_check_relocs): Increment
else
{
BFD_ASSERT (info->relocatable
+ || (info->static_link
+ && (h->flags & XCOFF_WAS_UNDEFINED) != 0)
|| (h->flags & XCOFF_DEF_DYNAMIC) != 0
|| (h->flags & XCOFF_IMPORT) != 0);
}
|| 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
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),
&& ! 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. */
{
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;
/* 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
+2009-06-02 Richard Sandiford <r.sandiford@uk.ibm.com>
+
+ * 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.
+
2009-06-02 H.J. Lu <hongjiu.lu@intel.com>
* ld-ifunc/ifunc-5-i386.d: Renamed to ...
--- /dev/null
+#name: Glink test 3 (error) (32-bit)
+#source: aix-glink-3.s
+#as: -a32
+#ld: -b32 -bnoautoimp tmpdir/aix-glink-3b.so
+#error: undefined reference to `\.g'
--- /dev/null
+#name: Glink test 3 (error) (64-bit)
+#source: aix-glink-3.s
+#as: -a64
+#ld: -b64 -bnoautoimp tmpdir/aix64-glink-3b.so
+#error: undefined reference to `\.g'
--- /dev/null
+
+.*
+
+
+Disassembly of section \.text:
+
+0*10000000 <\.f>:
+ *10000000: 48 00 00 05 bl 10000004 <\.g>
+
+0*10000004 <\.g>:
+ *10000004: 4e 80 00 20 bl?r
+
+0*10000008 <__start>:
+ *10000008: 4b ff ff f9 bl 10000000 <\.f>
--- /dev/null
+ .extern .f
+ .globl __start
+ .csect __start[PR]
+__start:
+ bl .f
--- /dev/null
+ .toc
+
+ .globl .g
+ .csect .g[PR]
+.g:
+ blr
+
+ .globl g
+ .csect g[DS]
+g: .long .g,TOC[tc0],0
--- /dev/null
+ .toc
+
+ .extern .g
+ .globl .f
+ .csect .f[PR]
+.f:
+ bl .g
+
+ .globl f
+ .csect f[DS]
+f: .long .f,TOC[tc0],0
{{objdump {-D -j.text -j.data} aix-glink-1-SIZE.dd}}
"aix-glink-1.so"}
- {"Line number test 1 (no discards)" "-e.main"
- "" {aix-lineno-1.s}
- {{objdump -dS aix-lineno-1a.dd} {nm {} aix-lineno-1a.nd}}
- "aix-lineno-1a.exe"}
-
- {"Line number test 1 (discard locals)" "-e.main -x"
- "" {aix-lineno-1.s}
- {{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}
{}
{{objdump -d aix-glink-2-SIZE.dd}}
"aix-glink-2"}
+ {"Glink test 3 (shared library a)"
+ "-shared -bexpall"
+ "" {aix-glink-3a.s}
+ {} "aix-glink-3a.so"}
+
+ {"Glink test 3 (shared library b)"
+ "-shared -bexpall"
+ "" {aix-glink-3b.s}
+ {} "aix-glink-3b.so"}
+
+ {"Glink test 3 (main test)"
+ "-bnoautoimp tmpdir/aix-glink-3b.so tmpdir/aix-glink-3a.so"
+ "" {aix-glink-3.s}
+ {{objdump -d aix-glink-3.dd}}
+ "aix-glink-3"}
+
+ {"Line number test 1 (no discards)" "-e.main"
+ "" {aix-lineno-1.s}
+ {{objdump -dS aix-lineno-1a.dd} {nm {} aix-lineno-1a.nd}}
+ "aix-lineno-1a.exe"}
+
+ {"Line number test 1 (discard locals)" "-e.main -x"
+ "" {aix-lineno-1.s}
+ {{objdump -dS aix-lineno-1b.dd} {nm {} aix-lineno-1b.nd}}
+ "aix-lineno-1b.exe"}
+
{"Relocatable test 1" "-r"
"" {aix-rel-1.s}
{{objdump -hr aix-rel-1.od}} "aix-rel-1.ro"}
}
}
+run_dump_test "aix-glink-1-32"
+run_dump_test "aix-glink-1-64"
+run_dump_test "aix-glink-3-32"
+run_dump_test "aix-glink-3-64"
run_dump_test "aix-weak-3-32"
run_dump_test "aix-weak-3-64"
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