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author | Tristan Gingold <gingold@adacore.com> | 2009-10-13 10:31:40 +0000 |
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committer | Tristan Gingold <gingold@adacore.com> | 2009-10-13 10:31:40 +0000 |
commit | 066d7383accb1d6e19bcccd370d8c05b97483378 (patch) | |
tree | 22d988c73a6ae7e34f66dda0cf833dd0d47185fd /gdb/solib-darwin.c | |
parent | f192ea96fda1af9d61581ad0f94904803e1d2f63 (diff) | |
download | fsf-binutils-gdb-066d7383accb1d6e19bcccd370d8c05b97483378.zip fsf-binutils-gdb-066d7383accb1d6e19bcccd370d8c05b97483378.tar.gz fsf-binutils-gdb-066d7383accb1d6e19bcccd370d8c05b97483378.tar.bz2 |
2009-10-13 Tristan Gingold <gingold@adacore.com>
* solib-darwin.c: Add an empty line after comment for functions.
(struct gdb_dyld_all_image_infos): Improve comment.
(DYLD_VERSION): Removed and replaced by ...
(DYLD_VERSION_MAX, DYLD_VERSION_MIN): ... New macros.
(darwin_dyld_version_ok): New function.
(darwin_load_image_infos): Call darwin_dyld_version_ok.
(darwin_current_sos): Ditto.
(darwin_solib_create_inferior_hook): Ditto.
Diffstat (limited to 'gdb/solib-darwin.c')
-rw-r--r-- | gdb/solib-darwin.c | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/gdb/solib-darwin.c b/gdb/solib-darwin.c index 8b96a6f..d93d025 100644 --- a/gdb/solib-darwin.c +++ b/gdb/solib-darwin.c @@ -52,7 +52,8 @@ struct gdb_dyld_image_info unsigned long mtime; }; -/* Content of inferior dyld_all_image_infos structure. */ +/* Content of inferior dyld_all_image_infos structure. + See /usr/include/mach-o/dyld_images.h for the documentation. */ struct gdb_dyld_all_image_infos { /* Version (1). */ @@ -66,7 +67,8 @@ struct gdb_dyld_all_image_infos }; /* Current all_image_infos version. */ -#define DYLD_VERSION 1 +#define DYLD_VERSION_MIN 1 +#define DYLD_VERSION_MAX 7 /* Address of structure dyld_all_image_infos in inferior. */ static CORE_ADDR dyld_all_image_addr; @@ -74,7 +76,17 @@ static CORE_ADDR dyld_all_image_addr; /* Gdb copy of dyld_all_info_infos. */ static struct gdb_dyld_all_image_infos dyld_all_image; +/* Return non-zero if the version in dyld_all_image is known. */ + +static int +darwin_dyld_version_ok (void) +{ + return dyld_all_image.version >= DYLD_VERSION_MIN + && dyld_all_image.version >= DYLD_VERSION_MAX; +} + /* Read dyld_all_image from inferior. */ + static void darwin_load_image_infos (void) { @@ -99,7 +111,7 @@ darwin_load_image_infos (void) /* Extract the fields. */ dyld_all_image.version = extract_unsigned_integer (buf, 4, byte_order); - if (dyld_all_image.version != DYLD_VERSION) + if (!darwin_dyld_version_ok ()) return; dyld_all_image.count = extract_unsigned_integer (buf + 4, 4, byte_order); @@ -125,6 +137,7 @@ struct darwin_so_list }; /* Lookup the value for a specific symbol. */ + static CORE_ADDR lookup_symbol_from_bfd (bfd *abfd, char *symname) { @@ -183,6 +196,7 @@ find_program_interpreter (void) /* Not used. I don't see how the main symbol file can be found: the interpreter name is needed and it is known from the executable file. Note that darwin-nat.c implements pid_to_exec_file. */ + static int open_symbol_file_object (void *from_ttyp) { @@ -190,6 +204,7 @@ open_symbol_file_object (void *from_ttyp) } /* Build a list of currently loaded shared objects. See solib-svr4.c */ + static struct so_list * darwin_current_sos (void) { @@ -204,7 +219,7 @@ darwin_current_sos (void) /* Be sure image infos are loaded. */ darwin_load_image_infos (); - if (dyld_all_image.version != DYLD_VERSION) + if (!darwin_dyld_version_ok ()) return NULL; image_info_size = ptr_len * 3; @@ -262,6 +277,7 @@ darwin_current_sos (void) /* Return 1 if PC lies in the dynamic symbol resolution code of the run time loader. */ + int darwin_in_dynsym_resolve_code (CORE_ADDR pc) { @@ -270,12 +286,14 @@ darwin_in_dynsym_resolve_code (CORE_ADDR pc) /* No special symbol handling. */ + static void darwin_special_symbol_handling (void) { } /* Shared library startup support. See documentation in solib-svr4.c */ + static void darwin_solib_create_inferior_hook (void) { @@ -348,7 +366,7 @@ darwin_solib_create_inferior_hook (void) darwin_load_image_infos (); - if (dyld_all_image.version == DYLD_VERSION) + if (darwin_dyld_version_ok ()) create_solib_event_breakpoint (target_gdbarch, dyld_all_image.notifier); } @@ -366,6 +384,7 @@ darwin_free_so (struct so_list *so) /* The section table is built from bfd sections using bfd VMAs. Relocate these VMAs according to solib info. */ + static void darwin_relocate_section_addresses (struct so_list *so, struct target_section *sec) |