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| author | Tristan Gingold <gingold@adacore.com> | 2013-09-04 12:28:11 +0000 |
|---|---|---|
| committer | Tristan Gingold <gingold@adacore.com> | 2013-09-04 12:28:11 +0000 |
| commit | ac21e7da5d0f378e2855df802d096a18ab41ac41 (patch) | |
| tree | f18fdad2ee252b4c70a2891ab69b159c8e750926 /gas/config | |
| parent | 74db7efbe3a09c00e5f4f5b99862f173258938f6 (diff) | |
| download | gdb-ac21e7da5d0f378e2855df802d096a18ab41ac41.zip gdb-ac21e7da5d0f378e2855df802d096a18ab41ac41.tar.gz gdb-ac21e7da5d0f378e2855df802d096a18ab41ac41.tar.bz2 | |
gas/
* config/tc-ppc.c (md_apply_fix): Handle defined after use toc
symbols.
gas/testsuite/
* gas/ppc/aix.exp: Run xcoff-toc-1 test.
* gas/ppc/xcoff-toc-1.s, gas/ppc/xcoff-toc-1.d: New test.
Diffstat (limited to 'gas/config')
| -rw-r--r-- | gas/config/tc-ppc.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gas/config/tc-ppc.c b/gas/config/tc-ppc.c index 1631fb7..6b54f5a 100644 --- a/gas/config/tc-ppc.c +++ b/gas/config/tc-ppc.c @@ -3146,6 +3146,7 @@ md_assemble (char *str) && (operand->bitm & 0xfff0) == 0xfff0 && operand->shift == 0) { + /* Note: the symbol may be not yet defined. */ if (ppc_is_toc_sym (ex.X_add_symbol)) { reloc = BFD_RELOC_PPC_TOC16; @@ -6363,6 +6364,15 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) value = fixP->fx_offset; fixP->fx_done = 1; } + + /* During parsing of instructions, a TOC16 reloc is generated for + instructions such as 'lwz RT,SYM(RB)' if SYM is a symbol defined + in the toc. But at parse time, SYM may be not yet defined, so + check again here. */ + if (fixP->fx_r_type == BFD_RELOC_16 + && fixP->fx_addsy != NULL + && ppc_is_toc_sym (fixP->fx_addsy)) + fixP->fx_r_type = BFD_RELOC_PPC_TOC16; #endif } @@ -6873,6 +6883,8 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) fixP->fx_addnumber = - bfd_get_section_vma (stdoutput, S_GET_SEGMENT (fixP->fx_addsy)) - S_GET_VALUE (ppc_toc_csect); + /* Set *valP to avoid errors. */ + *valP = value; #endif } #endif |