diff options
Diffstat (limited to 'contrib/binutils/gas/ehopt.c')
| -rw-r--r-- | contrib/binutils/gas/ehopt.c | 39 |
1 files changed, 2 insertions, 37 deletions
diff --git a/contrib/binutils/gas/ehopt.c b/contrib/binutils/gas/ehopt.c index a0a5f62f4d7a..068e8242f5c2 100644 --- a/contrib/binutils/gas/ehopt.c +++ b/contrib/binutils/gas/ehopt.c @@ -261,52 +261,17 @@ check_eh_frame (exp, pnbytes) expressionS *exp; unsigned int *pnbytes; { - static int saw_size; - static symbolS *size_end_sym; static int saw_advance_loc4; static fragS *loc4_frag; static int loc4_fix; - if (saw_size - && S_IS_DEFINED (size_end_sym)) - { - /* We have come to the end of the CIE or FDE. See below where - we set saw_size. We must check this first because we may now - be looking at the next size. */ - saw_size = 0; - saw_advance_loc4 = 0; - } - if (flag_traditional_format) { /* Don't optimize. */ } else if (strcmp (segment_name (now_seg), ".eh_frame") != 0) - { - saw_size = 0; - saw_advance_loc4 = 0; - } - else if (! saw_size - && *pnbytes == 4) - { - /* This might be the size of the CIE or FDE. We want to know - the size so that we don't accidentally optimize across an FDE - boundary. We recognize the size in one of two forms: a - symbol which will later be defined as a difference, or a - subtraction of two symbols. Either way, we can tell when we - are at the end of the FDE because the symbol becomes defined - (in the case of a subtraction, the end symbol, from which the - start symbol is being subtracted). Other ways of describing - the size will not be optimized. */ - if ((exp->X_op == O_symbol || exp->X_op == O_subtract) - && ! S_IS_DEFINED (exp->X_add_symbol)) - { - saw_size = 1; - size_end_sym = exp->X_add_symbol; - } - } - else if (saw_size - && *pnbytes == 1 + saw_advance_loc4 = 0; + else if (*pnbytes == 1 && exp->X_op == O_constant && exp->X_add_number == DW_CFA_advance_loc4) { |