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* dbxread.c (process_one_symbol): Do not adjust address of first 

N_SLINE stab for a function for code generated by non-GCC
compilers.
This commit is contained in:
Mark Kettenis 2004-11-18 22:37:22 +00:00
parent 915a2d21dd
commit ceddaf06ac
2 changed files with 24 additions and 3 deletions
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6
gdb/ChangeLog
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@ -1,3 +1,9 @@
2004-11-18 Mark Kettenis <kettenis@gnu.org>
* dbxread.c (process_one_symbol): Do not adjust address of first
N_SLINE stab for a function for code generated by non-GCC
compilers.
2004-11-18 Kevin Buettner <kevinb@redhat.com>
* solib-null.c: New file.

21
gdb/dbxread.c
View File

@ -2927,11 +2927,26 @@ process_one_symbol (int type, int desc, CORE_ADDR valu, char *name,
/* Relocate for dynamic loading and for ELF acc fn-relative syms. */
valu += function_start_offset;
/* If this is the first SLINE note in the function, record it at
the start of the function instead of at the listed location. */
/* GCC 2.95.3 emits the first N_SLINE stab somwehere in the
middle of the prologue instead of right at the start of the
function. To deal with this we record the address for the
first N_SLINE stab to be the start of the function instead of
the listed location. We really shouldn't to this. When
compiling with optimization, this first N_SLINE stab might be
optimized away. Other (non-GCC) compilers don't emit this
stab at all. There is no real harm in having an extra
numbered line, although it can be a bit annoying for the
user. However, it totally screws up our testsuite.
So for now, keep adjusting the address of the first N_SLINE
stab, but only for code compiled with GCC. */
if (within_function && sline_found_in_function == 0)
{
record_line (current_subfile, desc, last_function_start);
if (processing_gcc_compilation == 2)
record_line (current_subfile, desc, last_function_start);
else
record_line (current_subfile, desc, valu);
sline_found_in_function = 1;
}
else