diff options
| author | Pierre Muller <muller@ics.u-strasbg.fr> | 2008-06-11 22:03:49 +0000 |
|---|---|---|
| committer | Pierre Muller <muller@ics.u-strasbg.fr> | 2008-06-11 22:03:49 +0000 |
| commit | b80817856c4ba9ec9275cf2c9f43dd485cd0ac41 (patch) | |
| tree | 86284274864ff0d669caaaba3e2e18e8c9597e52 /gdb/symtab.c | |
| parent | ac7ff656fe11088f6b6b743c80dd4420e3977fbd (diff) | |
| download | gdb-b80817856c4ba9ec9275cf2c9f43dd485cd0ac41.tar.gz | |
* gdbarch.sh (gdbarch_skip_main_prologue): New.
* gdbarch.h, gdbarch.c: Regenerate.
* i386-tdep.h (i386_skip_main_prologue): Declare.
* i386-tdep.c (i386_skip_main_prologue): New.
* i386-cygwin-tdep.c (i386_cygwin_init_abi): Register
i386_skip_main_prologue as gdbarch_skip_main_prologue gdbarch callback.
* symtab.c (find_function_start_sal): When pc points at the "main"
function, call gdbarch_skip_main_prologue.
Diffstat (limited to 'gdb/symtab.c')
| -rw-r--r-- | gdb/symtab.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gdb/symtab.c b/gdb/symtab.c index 6adecbf4252..0466490edd9 100644 --- a/gdb/symtab.c +++ b/gdb/symtab.c @@ -2617,6 +2617,21 @@ find_function_start_sal (struct symbol *sym, int funfirstline) /* Recalculate the line number (might not be N+1). */ sal = find_pc_sect_line (pc, SYMBOL_BFD_SECTION (sym), 0); } + + /* On targets with executable formats that don't have a concept of + constructors (ELF with .init has, PE doesn't), gcc emits a call + to `__main' in `main' between the prologue and before user + code. */ + if (funfirstline + && gdbarch_skip_main_prologue_p (current_gdbarch) + && SYMBOL_LINKAGE_NAME (sym) + && strcmp (SYMBOL_LINKAGE_NAME (sym), "main") == 0) + { + pc = gdbarch_skip_main_prologue (current_gdbarch, pc); + /* Recalculate the line number (might not be N+1). */ + sal = find_pc_sect_line (pc, SYMBOL_BFD_SECTION (sym), 0); + } + sal.pc = pc; return sal; |