diff options
Diffstat (limited to 'gdb/symtab.c')
| -rw-r--r-- | gdb/symtab.c | 47 |
1 files changed, 46 insertions, 1 deletions
diff --git a/gdb/symtab.c b/gdb/symtab.c index a0337e3..fa3d2e5 100644 --- a/gdb/symtab.c +++ b/gdb/symtab.c @@ -2874,7 +2874,7 @@ list_symbols (regexp, class, bpt, from_tty) if (bpt) { break_command (SYMBOL_NAME (msymbol), from_tty); - printf_filtered ("<function, no debug info>%s;\n", + printf_filtered ("<function, no debug info> %s;\n", SYMBOL_SOURCE_NAME (msymbol)); continue; } @@ -3240,6 +3240,51 @@ make_symbol_completion_list (text, word) return (return_val); } +/* Determine if PC is in the prologue of a function. The prologue is the area + between the first instruction of a function, and the first executable line. + Returns 1 if PC *might* be in prologue, 0 if definately *not* in prologue. + */ + +int +in_prologue (pc, func_start) + CORE_ADDR pc; + CORE_ADDR func_start; +{ + struct symtab_and_line sal; + CORE_ADDR func_addr, func_end; + + if (!find_pc_partial_function (pc, NULL, &func_addr, &func_end)) + goto nosyms; /* Might be in prologue */ + + sal = find_pc_line (func_addr, 0); + + if (sal.line == 0) + goto nosyms; + + if (sal.end > func_addr + && sal.end <= func_end) /* Is prologue in function? */ + return pc < sal.end; /* Yes, is pc in prologue? */ + + /* The line after the prologue seems to be outside the function. In this + case, tell the caller to find the prologue the hard way. */ + + return 1; + +/* Come here when symtabs don't contain line # info. In this case, it is + likely that the user has stepped into a library function w/o symbols, or + is doing a stepi/nexti through code without symbols. */ + + nosyms: + +/* We need to call the target-specific prologue skipping functions with the + function's start address because PC may be pointing at an instruction that + could be mistakenly considered part of the prologue. */ + + SKIP_PROLOGUE (func_start); + + return pc < func_start; +} + void _initialize_symtab () |