diff options
| -rw-r--r-- | coreutils/Kbuild | 8 | ||||
| -rw-r--r-- | coreutils/test.c | 13 | ||||
| -rw-r--r-- | libbb/Kbuild | 2 | ||||
| -rw-r--r-- | libbb/appletlib.c | 5 | ||||
| -rw-r--r-- | libbb/lineedit.c | 13 | ||||
| -rw-r--r-- | libbb/ptr_to_globals.c | 11 |
6 files changed, 28 insertions, 24 deletions
diff --git a/coreutils/Kbuild b/coreutils/Kbuild index 253eb6d..cb45439 100644 --- a/coreutils/Kbuild +++ b/coreutils/Kbuild @@ -71,10 +71,10 @@ lib-$(CONFIG_SYNC) += sync.o lib-$(CONFIG_TAC) += tac.o lib-$(CONFIG_TAIL) += tail.o lib-$(CONFIG_TEE) += tee.o -lib-$(CONFIG_TEST) += test.o -lib-$(CONFIG_ASH) += test.o # used by ash -lib-$(CONFIG_HUSH) += test.o # used by hush -lib-$(CONFIG_MSH) += test.o # used by msh +lib-$(CONFIG_TEST) += test.o test_ptr_hack.o +lib-$(CONFIG_ASH) += test.o test_ptr_hack.o # used by ash +lib-$(CONFIG_HUSH) += test.o test_ptr_hack.o # used by hush +lib-$(CONFIG_MSH) += test.o test_ptr_hack.o # used by msh lib-$(CONFIG_TOUCH) += touch.o lib-$(CONFIG_TR) += tr.o lib-$(CONFIG_TRUE) += true.o diff --git a/coreutils/test.c b/coreutils/test.c index 2f5b6b8..3c725a2 100644 --- a/coreutils/test.c +++ b/coreutils/test.c @@ -159,7 +159,7 @@ typedef int arith_t; /* We try to minimize both static and stack usage. */ -struct statics { +struct test_statics { char **t_wp; const struct t_op *t_wp_op; gid_t *group_array; @@ -167,11 +167,10 @@ struct statics { jmp_buf leaving; }; -/* Make it reside in writable memory, yet make compiler understand - * that it is not going to change. */ -static struct statics *const ptr_to_statics __attribute__ ((section (".data"))); +/* See test_ptr_hack.c */ +extern struct test_statics *const test_ptr_to_statics; -#define S (*ptr_to_statics) +#define S (*test_ptr_to_statics) #define t_wp (S.t_wp ) #define t_wp_op (S.t_wp_op ) #define group_array (S.group_array ) @@ -179,11 +178,11 @@ static struct statics *const ptr_to_statics __attribute__ ((section (".data"))); #define leaving (S.leaving ) #define INIT_S() do { \ - (*(struct statics**)&ptr_to_statics) = xzalloc(sizeof(S)); \ + (*(struct test_statics**)&test_ptr_to_statics) = xzalloc(sizeof(S)); \ barrier(); \ } while (0) #define DEINIT_S() do { \ - free(ptr_to_statics); \ + free(test_ptr_to_statics); \ } while (0) static arith_t primary(enum token n); diff --git a/libbb/Kbuild b/libbb/Kbuild index 3a68efc..d943628 100644 --- a/libbb/Kbuild +++ b/libbb/Kbuild @@ -50,7 +50,7 @@ lib-y += inode_hash.o lib-y += isdirectory.o lib-y += kernel_version.o lib-y += last_char_is.o -lib-y += lineedit.o +lib-y += lineedit.o lineedit_ptr_hack.o lib-y += llist.o lib-y += login.o lib-y += make_directory.o diff --git a/libbb/appletlib.c b/libbb/appletlib.c index ed7d391..90fca8c 100644 --- a/libbb/appletlib.c +++ b/libbb/appletlib.c @@ -177,11 +177,6 @@ int find_applet_by_name(const char *name) } -#ifdef __GLIBC__ -/* Make it reside in R/W memory: */ -int *const bb_errno __attribute__ ((section (".data"))); -#endif - void lbb_prepare(const char *applet USE_FEATURE_INDIVIDUAL(, char **argv)) MAIN_EXTERNALLY_VISIBLE; diff --git a/libbb/lineedit.c b/libbb/lineedit.c index 4ba61c1..6de66ba 100644 --- a/libbb/lineedit.c +++ b/libbb/lineedit.c @@ -74,7 +74,7 @@ static const char null_str[] ALIGN1 = ""; #endif /* We try to minimize both static and stack usage. */ -struct statics { +struct lineedit_statics { line_input_t *state; volatile unsigned cmdedit_termw; /* = 80; */ /* actual terminal width */ @@ -120,11 +120,10 @@ struct statics { #endif }; -/* Make it reside in writable memory, yet make compiler understand - * that it is not going to change. */ -static struct statics *const ptr_to_statics __attribute__ ((section (".data"))); +/* See lineedit_ptr_hack.c */ +extern struct lineedit_statics *const lineedit_ptr_to_statics; -#define S (*ptr_to_statics) +#define S (*lineedit_ptr_to_statics) #define state (S.state ) #define cmdedit_termw (S.cmdedit_termw ) #define previous_SIGWINCH_handler (S.previous_SIGWINCH_handler) @@ -145,7 +144,7 @@ static struct statics *const ptr_to_statics __attribute__ ((section (".data"))); #define delbuf (S.delbuf ) #define INIT_S() do { \ - (*(struct statics**)&ptr_to_statics) = xzalloc(sizeof(S)); \ + (*(struct lineedit_statics**)&lineedit_ptr_to_statics) = xzalloc(sizeof(S)); \ barrier(); \ cmdedit_termw = 80; \ USE_FEATURE_EDITING_FANCY_PROMPT(num_ok_lines = 1;) \ @@ -163,7 +162,7 @@ static void deinit_S(void) if (home_pwd_buf != null_str) free(home_pwd_buf); #endif - free(ptr_to_statics); + free(lineedit_ptr_to_statics); } #define DEINIT_S() deinit_S() diff --git a/libbb/ptr_to_globals.c b/libbb/ptr_to_globals.c index 48cf8d8..5f30e2a 100644 --- a/libbb/ptr_to_globals.c +++ b/libbb/ptr_to_globals.c @@ -5,6 +5,8 @@ * Licensed under GPLv2, see file LICENSE in this tarball for details. */ +#include <errno.h> + struct globals; #ifndef GCC_COMBINE @@ -13,12 +15,21 @@ struct globals; * but here we make it live in R/W memory */ struct globals *ptr_to_globals; +#ifdef __GLIBC__ +int *bb_errno; +#endif + + #else + /* gcc -combine will see through and complain */ /* Using alternative method which is more likely to break * on weird architectures, compilers, linkers and so on */ struct globals *const ptr_to_globals __attribute__ ((section (".data"))); +#ifdef __GLIBC__ +int *const bb_errno __attribute__ ((section (".data"))); #endif +#endif |