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-rw-r--r--gas/ChangeLog10
-rw-r--r--gas/config/tc-bfin.h3
-rw-r--r--gas/config/tc-h8300.h3
-rw-r--r--gas/config/tc-mmix.h3
-rw-r--r--gas/config/tc-sh.h5
-rw-r--r--gas/config/tc-xstormy16.h3
-rw-r--r--gas/write.c40
7 files changed, 59 insertions, 8 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index a4ac8f9..e68439d 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,13 @@
+2007-02-18 Alan Modra <amodra@bigpond.net.au>
+
+ * 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.
+
2007-02-17 Mark Mitchell <mark@codesourcery.com>
Nathan Sidwell <nathan@codesourcery.com>
Vladimir Prus <vladimir@codesourcery.com
diff --git a/gas/config/tc-bfin.h b/gas/config/tc-bfin.h
index fb0c63c..e1f95a9 100644
--- a/gas/config/tc-bfin.h
+++ b/gas/config/tc-bfin.h
@@ -75,4 +75,7 @@ extern long md_pcrel_from_section PARAMS ((struct fix *, segT));
/* Values passed to md_apply_fix3 don't include symbol values. */
#define MD_APPLY_SYM_VALUE(FIX) 0
+/* This target is buggy, and sets fix size too large. */
+#define TC_FX_SIZE_SLACK(FIX) 2
+
/* end of tc-bfin.h */
diff --git a/gas/config/tc-h8300.h b/gas/config/tc-h8300.h
index bfc8f72..7191181 100644
--- a/gas/config/tc-h8300.h
+++ b/gas/config/tc-h8300.h
@@ -86,3 +86,6 @@ extern int Nmode;
extern int SXmode;
#define md_operand(x)
+
+/* This target is buggy, and sets fix size too large. */
+#define TC_FX_SIZE_SLACK(FIX) 1
diff --git a/gas/config/tc-mmix.h b/gas/config/tc-mmix.h
index 61bc881..b4ab0c7 100644
--- a/gas/config/tc-mmix.h
+++ b/gas/config/tc-mmix.h
@@ -221,3 +221,6 @@ extern void mmix_md_do_align (int, char *, int, int);
sequences sprinkled in, we can get unaligned DWARF2 offsets, so let's
explicitly say one byte. */
#define DWARF2_LINE_MIN_INSN_LENGTH 1
+
+/* This target is buggy, and sets fix size too large. */
+#define TC_FX_SIZE_SLACK(FIX) 6
diff --git a/gas/config/tc-sh.h b/gas/config/tc-sh.h
index 93fdd90..0ad914e 100644
--- a/gas/config/tc-sh.h
+++ b/gas/config/tc-sh.h
@@ -81,6 +81,11 @@ extern int sh_force_relocation (struct fix *);
#define MD_PCREL_FROM_SECTION(FIX, SEC) md_pcrel_from_section (FIX, SEC)
extern long md_pcrel_from_section (struct fix *, segT);
+/* SH_COUNT relocs are allowed outside of frag.
+ The target is also buggy and sets fix size too large for other relocs. */
+#define TC_FX_SIZE_SLACK(FIX) \
+ ((FIX)->fx_r_type == BFD_RELOC_SH_COUNT ? -1 : 2)
+
#define IGNORE_NONSTANDARD_ESCAPES
#define LISTING_HEADER \
diff --git a/gas/config/tc-xstormy16.h b/gas/config/tc-xstormy16.h
index 5425874..727a496 100644
--- a/gas/config/tc-xstormy16.h
+++ b/gas/config/tc-xstormy16.h
@@ -63,3 +63,6 @@ extern void xstormy16_cons_fix_new (fragS *f, int, int, expressionS *);
/* Minimum instruction is two bytes. */
#define DWARF2_LINE_MIN_INSN_LENGTH 2
+
+/* This target is buggy, and sets fix size too large. */
+#define TC_FX_SIZE_SLACK(FIX) 2
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],
generated by cgit v1.1 at 2024-12-28 05:44:10 +0000