diff options
Diffstat (limited to 'gdb/stabsread.c')
| -rw-r--r-- | gdb/stabsread.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/gdb/stabsread.c b/gdb/stabsread.c index 6c81c10..cc9537b 100644 --- a/gdb/stabsread.c +++ b/gdb/stabsread.c @@ -977,9 +977,11 @@ define_symbol (valu, string, desc, type, objfile) /* Sun cc uses a pair of symbols, one 'p' and one 'r' with the same name to represent an argument passed in a register. GCC uses 'P' for the same case. So if we find such a symbol pair - we combine it into one 'P' symbol. + we combine it into one 'P' symbol. For Sun cc we need to do this + regardless of REG_STRUCT_HAS_ADDR, because the compiler puts out + the 'p' symbol even if it never saves the argument onto the stack. - But we only do this in the REG_STRUCT_HAS_ADDR case, so that + On most machines, we want to preserve both symbols, so that we can still get information about what is going on with the stack (VAX for computing args_printed, using stack slots instead of saved registers in backtraces, etc.). @@ -991,14 +993,18 @@ define_symbol (valu, string, desc, type, objfile) if (local_symbols && local_symbols->nsyms > 0 +#ifndef USE_REGISTER_NOT_ARG && REG_STRUCT_HAS_ADDR (processing_gcc_compilation, SYMBOL_TYPE (sym)) && (TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_STRUCT - || TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_UNION)) + || TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_UNION) +#endif + ) { struct symbol *prev_sym; prev_sym = local_symbols->symbol[local_symbols->nsyms - 1]; - if (SYMBOL_CLASS (prev_sym) == LOC_REF_ARG + if ((SYMBOL_CLASS (prev_sym) == LOC_REF_ARG + || SYMBOL_CLASS (prev_sym) == LOC_ARG) && STREQ (SYMBOL_NAME (prev_sym), SYMBOL_NAME(sym))) { SYMBOL_CLASS (prev_sym) = LOC_REGPARM; |