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| author | Alan Modra <amodra@gmail.com> | 2007-02-17 23:13:49 +0000 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2007-02-17 23:13:49 +0000 |
| commit | d31f0f6d41caaba6ef79e5ebf7f135f9fa3647ac (patch) | |
| tree | 582b8cb50b3d7114cd9c985e28e537a384b78cf6 /gas/write.c | |
| parent | 4b5d35eef6a021182a555b9e76b3d9e65e3839ef (diff) | |
| download | gdb-d31f0f6d41caaba6ef79e5ebf7f135f9fa3647ac.zip gdb-d31f0f6d41caaba6ef79e5ebf7f135f9fa3647ac.tar.gz gdb-d31f0f6d41caaba6ef79e5ebf7f135f9fa3647ac.tar.bz2 | |
* write.c (TC_FX_SIZE_SLACK): Define.
(write_relocs): Reinstate check for fixup within frag.
* config/tc-bfin.h (TC_FX_SIZE_SLACK): Define.
* config/tc-h8300.h (TC_FX_SIZE_SLACK): Define.
* config/tc-mmix.h (TC_FX_SIZE_SLACK): Define.
* config/tc-sh.h (TC_FX_SIZE_SLACK): Define.
* config/tc-xstormy16.h (TC_FX_SIZE_SLACK): Define.
Diffstat (limited to 'gas/write.c')
| -rw-r--r-- | gas/write.c | 40 |
1 files changed, 32 insertions, 8 deletions
diff --git a/gas/write.c b/gas/write.c index afce604..46549b8 100644 --- a/gas/write.c +++ b/gas/write.c @@ -97,6 +97,16 @@ #define TC_FAKE_LABEL(NAME) (strcmp ((NAME), FAKE_LABEL_NAME) == 0) #endif +/* Positive values of TC_FX_SIZE_SLACK allow a target to define + fixups that far past the end of a frag. Having such fixups + is of course most most likely a bug in setting fx_size correctly. + A negative value disables the fixup check entirely, which is + appropriate for something like the Renesas / SuperH SH_COUNT + reloc. */ +#ifndef TC_FX_SIZE_SLACK +#define TC_FX_SIZE_SLACK(FIX) 0 +#endif + /* Used to control final evaluation of expressions. */ int finalize_syms = 0; @@ -1017,6 +1027,8 @@ write_relocs (bfd *abfd, asection *sec, void *xxx ATTRIBUTE_UNUSED) { arelent *reloc; bfd_reloc_status_type s; + int fx_size, slack; + offsetT loc; if (fixp->fx_done) { @@ -1031,12 +1043,15 @@ write_relocs (bfd *abfd, asection *sec, void *xxx ATTRIBUTE_UNUSED) continue; } - /* - This test is triggered inappropriately for the SH: - if (fixp->fx_where + fixp->fx_size - > fixp->fx_frag->fr_fix + fixp->fx_frag->fr_offset) - abort (); - */ + fx_size = fixp->fx_size; + slack = TC_FX_SIZE_SLACK (fixp); + if (slack > 0) + fx_size = fx_size > slack ? fx_size - slack : 0; + loc = fixp->fx_where + fx_size; + if (slack >= 0 + && loc > fixp->fx_frag->fr_fix + fixp->fx_frag->fr_offset) + as_bad_where (fixp->fx_file, fixp->fx_line, + _("internal error: fixup not contained within frag")); s = bfd_install_relocation (stdoutput, reloc, fixp->fx_frag->fr_literal, @@ -1071,6 +1086,8 @@ write_relocs (bfd *abfd, asection *sec, void *xxx ATTRIBUTE_UNUSED) arelent **reloc; bfd_reloc_status_type s; int j; + int fx_size, slack; + offsetT loc; if (fixp->fx_done) { @@ -1085,10 +1102,17 @@ write_relocs (bfd *abfd, asection *sec, void *xxx ATTRIBUTE_UNUSED) relocs[i++] = reloc[j]; assert (i <= n); } - if (fixp->fx_where + fixp->fx_size - > fixp->fx_frag->fr_fix + fixp->fx_frag->fr_offset) + + fx_size = fixp->fx_size; + slack = TC_FX_SIZE_SLACK (fixp); + if (slack > 0) + fx_size = fx_size > slack ? fx_size - slack : 0; + loc = fixp->fx_where + fx_size; + if (slack >= 0 + && loc > fixp->fx_frag->fr_fix + fixp->fx_frag->fr_offset) as_bad_where (fixp->fx_file, fixp->fx_line, _("internal error: fixup not contained within frag")); + for (j = 0; reloc[j]; j++) { s = bfd_install_relocation (stdoutput, reloc[j], |