diff options
Diffstat (limited to 'gdb/solib-frv.c')
| -rw-r--r-- | gdb/solib-frv.c | 33 |
1 files changed, 23 insertions, 10 deletions
diff --git a/gdb/solib-frv.c b/gdb/solib-frv.c index 245ca84..bf4ac51 100644 --- a/gdb/solib-frv.c +++ b/gdb/solib-frv.c @@ -631,7 +631,6 @@ enable_break_failure_warning (void) */ -static int enable_break1_done = 0; static int enable_break2_done = 0; static int @@ -642,15 +641,9 @@ enable_break2 (void) char **bkpt_namep; asection *interp_sect; - if (!enable_break1_done || enable_break2_done) + if (enable_break2_done) return 1; - enable_break2_done = 1; - - /* First, remove all the solib event breakpoints. Their addresses - may have changed since the last time we ran the program. */ - remove_solib_event_breakpoints (); - interp_text_sect_low = interp_text_sect_high = 0; interp_plt_sect_low = interp_plt_sect_high = 0; @@ -771,6 +764,22 @@ enable_break2 (void) } addr = extract_unsigned_integer (addr_buf, sizeof addr_buf, byte_order); + if (solib_frv_debug) + fprintf_unfiltered (gdb_stdlog, + "enable_break: _dl_debug_addr[0..3] = %s\n", + hex_string_custom (addr, 8)); + + /* If it's zero, then the ldso hasn't initialized yet, and so + there are no shared libs yet loaded. */ + if (addr == 0) + { + if (solib_frv_debug) + fprintf_unfiltered (gdb_stdlog, + "enable_break: ldso not yet initialized\n"); + /* Do not warn, but mark to run again. */ + return 0; + } + /* Fetch the r_brk field. It's 8 bytes from the start of _dl_debug_addr. */ if (target_read_memory (addr + 8, addr_buf, sizeof addr_buf) != 0) @@ -800,9 +809,15 @@ enable_break2 (void) /* We're also done with the loadmap. */ xfree (ldm); + /* Remove all the solib event breakpoints. Their addresses + may have changed since the last time we ran the program. */ + remove_solib_event_breakpoints (); + /* Now (finally!) create the solib breakpoint. */ create_solib_event_breakpoint (target_gdbarch, addr); + enable_break2_done = 1; + return 1; } @@ -847,7 +862,6 @@ enable_break (void) return 0; } - enable_break1_done = 1; create_solib_event_breakpoint (target_gdbarch, symfile_objfile->ei.entry_point); @@ -997,7 +1011,6 @@ static void frv_clear_solib (void) { lm_base_cache = 0; - enable_break1_done = 0; enable_break2_done = 0; main_lm_addr = 0; if (main_executable_lm_info != 0) |