diff options
| -rw-r--r-- | ChangeLog | 11 | ||||
| -rw-r--r-- | Makeconfig | 2 | ||||
| -rw-r--r-- | csu/Makefile | 9 | ||||
| -rw-r--r-- | include/libc-symbols.h | 6 | ||||
| -rw-r--r-- | include/set-hooks.h | 2 |
5 files changed, 23 insertions, 7 deletions
@@ -1,5 +1,16 @@ 2000-06-26 Greg McGary <greg@mcgary.org> + * Makeconfig: Add missing comment. + * csu/Makefile (extra-objs, omit-deps, install-lib): Add + BP-flavored startup object. + ($(objpfx)b$(start-installed-name)): New rule. + * include/libc-symbols.h (symbol_set_declare): Change type + of `__start_##set' and `__stop_##set' to pointer-to-function. + (symbol_set_declare): Change type of `set' to array of + pointer-to-function. + * include/set-hooks.h (RUN_HOOK): Change type of `ptr' to + pointer-to-function. + * string/bits/string2.h: Inhibit inlines if __BOUNDED_POINTERS__. * sysdeps/unix/sysv/linux/syscalls.list: Add missing signatures. @@ -634,6 +634,8 @@ bppfx = BP- ifeq (yes,$(build-bounded)) # Under --enable-bounded, we build the library with `-fbounded-pointers -g' # to runtime bounds checking. The bounded-pointer objects are named foo.ob. +# We disable sibling-call optimizations so that stack traces will be complete +# and thus aid debugging, since after all, BPs are a debugging tool. object-suffixes += .ob CPPFLAGS-.ob = -fbounded-pointers $(pic-default) CFLAGS-.ob = -g -O2 -fno-optimize-sibling-calls diff --git a/csu/Makefile b/csu/Makefile index 01a44cf..a50a44f 100644 --- a/csu/Makefile +++ b/csu/Makefile @@ -30,11 +30,11 @@ subdir := csu routines = init-first libc-start $(libc-init) sysdep version check_fds csu-dummies = $(filter-out $(start-installed-name),crt1.o Mcrt1.o) extra-objs = start.o gmon-start.o \ - $(start-installed-name) g$(start-installed-name) \ + $(start-installed-name) g$(start-installed-name) b$(start-installed-name) \ $(csu-dummies) omit-deps = $(patsubst %.o,%,$(start-installed-name) g$(start-installed-name) \ - $(csu-dummies)) -install-lib = $(start-installed-name) g$(start-installed-name) \ + b$(start-installed-name) $(csu-dummies)) +install-lib = $(start-installed-name) g$(start-installed-name) b$(start-installed-name) \ $(csu-dummies) distribute = initfini.c gmon-start.c start.c defs.awk munch.awk \ abi-note.S init.c munch-tmpl.c @@ -130,6 +130,9 @@ ifeq (yes,$(elf)) $(objpfx)$(start-installed-name): $(objpfx)start.o $(objpfx)abi-note.o \ $(objpfx)init.o $(link-relocatable) +$(objpfx)b$(start-installed-name): $(objpfx)start.ob $(objpfx)abi-note.ob \ + $(objpfx)init.ob + $(link-relocatable) else # The startfile is installed under different names, so we just call our # source file `start.c' and copy to the installed name after compiling. diff --git a/include/libc-symbols.h b/include/libc-symbols.h index 1a3e1c8..10232bf 100644 --- a/include/libc-symbols.h +++ b/include/libc-symbols.h @@ -239,8 +239,8 @@ /* Declare SET for use in this module, if defined in another module. */ # define symbol_set_declare(set) \ - extern void *const __start_##set __attribute__ ((__weak__)); \ - extern void *const __stop_##set __attribute__ ((__weak__)); \ + extern void (*const __start_##set) (void) __attribute__ ((__weak__)); \ + extern void (*const __stop_##set) (void) __attribute__ ((__weak__)); \ weak_extern (__start_##set) weak_extern (__stop_##set) /* Return a pointer (void *const *) to the first element of SET. */ @@ -258,7 +258,7 @@ asm(".stabs \"" __SYMBOL_PREFIX #set "\",25,0,0," __SYMBOL_PREFIX #symbol) # define bss_set_element(set, symbol) ?error Must use initialized data. # define symbol_set_define(set) void *const (set)[1]; -# define symbol_set_declare(set) extern void *const (set)[1]; +# define symbol_set_declare(set) extern void (*const (set)[1]) (void); # define symbol_set_first_element(set) &(set)[1] # define symbol_set_end_p(set, ptr) (*(ptr) == 0) diff --git a/include/set-hooks.h b/include/set-hooks.h index 1666485..f4d7246 100644 --- a/include/set-hooks.h +++ b/include/set-hooks.h @@ -42,7 +42,7 @@ # define RUN_HOOK(NAME, ARGS) \ do { \ - void *const *ptr; \ + void (*const *ptr) (void); \ for (ptr = symbol_set_first_element (NAME); \ ! symbol_set_end_p (NAME, ptr); ++ptr) \ (*(__##NAME##_hook_function_t *) *ptr) ARGS; \ |