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* stack.c (print_frame_arg_vars), printcmd.c (print_frame_args):

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Expand comments about LOC_ARG/LOC_LOCAL pairs.
This commit is contained in:
Jim Kingdon
1993-04-21 22:20:53 +00:00
parent f2c365f517
commit 31258e4f6f
3 changed files with 36 additions and 15 deletions
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16
gdb/stack.c
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@ -887,10 +887,18 @@ print_frame_arg_vars (frame, stream)
values_printed = 1;
fputs_filtered (SYMBOL_SOURCE_NAME (sym), stream);
fputs_filtered (" = ", stream);
/* We have to look up the symbol because arguments often have
two entries (one a parameter, one a register) and the one
we want is the register, which lookup_symbol will find for
us. */
/* We have to look up the symbol because arguments can have
two entries (one a parameter, one a local) and the one we
want is the local, which lookup_symbol will find for us.
This includes gcc1 (not gcc2) on the sparc when passing a
small structure and gcc2 when the argument type is float
and it is passed as a double and converted to float by
the prologue (in the latter case the type of the LOC_ARG
symbol is double and the type of the LOC_LOCAL symbol is
float). It's possible this should be dealt with in
symbol reading the way it now is for LOC_REGPARM. */
sym2 = lookup_symbol (SYMBOL_NAME (sym),
b, VAR_NAMESPACE, (int *)NULL, (struct symtab **)NULL);
print_variable_value (sym2, frame, stream);