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more tweaks

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This commit is contained in:
Ian Lance Taylor 1998-02-06 23:14:42 +00:00
parent 6766132db9
commit eb0a94a173
1 changed files with 19 additions and 18 deletions
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37
gas/ehopt.c
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@ -97,7 +97,8 @@ eh_frame_code_alignment ()
fragS *f;
fixS *fix;
int offset;
int eh_state;
char augmentation[10];
int iaug;
if (code_alignment != 0)
return code_alignment;
@ -150,8 +151,8 @@ eh_frame_code_alignment ()
/* Skip the augmentation (a null terminated string). */
iaug = 0;
++offset;
eh_state = 0;
while (1)
{
while (f != NULL && offset >= f->fr_fix)
@ -166,19 +167,10 @@ eh_frame_code_alignment ()
}
while (offset < f->fr_fix && f->fr_literal[offset] != '\0')
{
switch (eh_state)
if (iaug < (sizeof augmentation) - 1)
{
case 0:
if (f->fr_literal[offset] == 'e')
eh_state = 1;
break;
case 1:
if (f->fr_literal[offset] == 'h')
eh_state = 2;
break;
default:
eh_state = 3;
break;
augmentation[iaug] = f->fr_literal[offset];
++iaug;
}
++offset;
}
@ -197,11 +189,15 @@ eh_frame_code_alignment ()
return -1;
}
/* If the augmentation field is "eh", then we have to skip a
pointer. Unfortunately, we don't know how large it is. We find
out by looking for a matching fixup. */
if (eh_state == 2)
augmentation[iaug] = '\0';
if (augmentation[0] == '\0')
{
/* No augmentation. */
}
else if (strcmp (augmentation, "eh") == 0)
{
/* We have to skip a pointer. Unfortunately, we don't know how
large it is. We find out by looking for a matching fixup. */
while (fix != NULL
&& (fix->fx_frag != f || fix->fx_where != offset))
fix = fix->fx_next;
@ -220,6 +216,11 @@ eh_frame_code_alignment ()
return -1;
}
}
else
{
code_alignment = -1;
return -1;
}
/* We're now at the code alignment factor, which is a ULEB128. If
it isn't a single byte, forget it. */