Use the common infrastructure to create a linker list of the sandbox command line flags rather than using a custom method.
The list is changed from containing pointers to containing structs and the uses are updated accordingly.
Signed-off-by: Andrew Scull ascull@google.com --- arch/sandbox/cpu/os.c | 21 ++++++++++----------- arch/sandbox/cpu/start.c | 10 +++++----- arch/sandbox/cpu/u-boot-spl.lds | 6 ------ arch/sandbox/cpu/u-boot.lds | 6 ------ arch/sandbox/include/asm/getopt.h | 19 ++++++++++++------- arch/sandbox/include/asm/sections.h | 25 ------------------------- 6 files changed, 27 insertions(+), 60 deletions(-)
diff --git a/arch/sandbox/cpu/os.c b/arch/sandbox/cpu/os.c index d83c862182..72a72029f2 100644 --- a/arch/sandbox/cpu/os.c +++ b/arch/sandbox/cpu/os.c @@ -424,9 +424,8 @@ static struct option *long_opts;
int os_parse_args(struct sandbox_state *state, int argc, char *argv[]) { - struct sandbox_cmdline_option **sb_opt = - __u_boot_sandbox_option_start(); - size_t num_options = __u_boot_sandbox_option_count(); + struct sandbox_cmdline_option *sb_opt = SANDBOX_CMDLINE_OPT_START(); + size_t num_options = SANDBOX_CMDLINE_OPT_COUNT(); size_t i;
int hidden_short_opt; @@ -455,17 +454,17 @@ int os_parse_args(struct sandbox_state *state, int argc, char *argv[]) hidden_short_opt = 0x100; si = 0; for (i = 0; i < num_options; ++i) { - long_opts[i].name = sb_opt[i]->flag; - long_opts[i].has_arg = sb_opt[i]->has_arg ? + long_opts[i].name = sb_opt[i].flag; + long_opts[i].has_arg = sb_opt[i].has_arg ? required_argument : no_argument; long_opts[i].flag = NULL;
- if (sb_opt[i]->flag_short) { - short_opts[si++] = long_opts[i].val = sb_opt[i]->flag_short; + if (sb_opt[i].flag_short) { + short_opts[si++] = long_opts[i].val = sb_opt[i].flag_short; if (long_opts[i].has_arg == required_argument) short_opts[si++] = ':'; } else - long_opts[i].val = sb_opt[i]->flag_short = hidden_short_opt++; + long_opts[i].val = sb_opt[i].flag_short = hidden_short_opt++; } short_opts[si] = '\0';
@@ -480,9 +479,9 @@ int os_parse_args(struct sandbox_state *state, int argc, char *argv[]) */ while ((c = getopt_long(argc, argv, short_opts, long_opts, NULL)) != -1) { for (i = 0; i < num_options; ++i) { - if (sb_opt[i]->flag_short == c) { - if (sb_opt[i]->callback(state, optarg)) { - state->parse_err = sb_opt[i]->flag; + if (sb_opt[i].flag_short == c) { + if (sb_opt[i].callback(state, optarg)) { + state->parse_err = sb_opt[i].flag; return 0; } break; diff --git a/arch/sandbox/cpu/start.c b/arch/sandbox/cpu/start.c index 13b0731ec3..5cb47e1156 100644 --- a/arch/sandbox/cpu/start.c +++ b/arch/sandbox/cpu/start.c @@ -58,9 +58,8 @@ static int h_compare_opt(const void *p1, const void *p2) int sandbox_early_getopt_check(void) { struct sandbox_state *state = state_get_current(); - struct sandbox_cmdline_option **sb_opt = - __u_boot_sandbox_option_start(); - size_t num_options = __u_boot_sandbox_option_count(); + struct sandbox_cmdline_option *sb_opt = SANDBOX_CMDLINE_OPT_START(); + size_t num_options = SANDBOX_CMDLINE_OPT_COUNT(); size_t i; int max_arg_len, max_noarg_len; struct sandbox_cmdline_option **sorted_opt; @@ -84,7 +83,7 @@ int sandbox_early_getopt_check(void)
max_arg_len = 0; for (i = 0; i < num_options; ++i) - max_arg_len = max((int)strlen(sb_opt[i]->flag), max_arg_len); + max_arg_len = max((int)strlen(sb_opt[i].flag), max_arg_len); max_noarg_len = max_arg_len + 7;
/* Sort the options */ @@ -94,7 +93,8 @@ int sandbox_early_getopt_check(void) printf("No memory to sort options\n"); os_exit(1); } - memcpy(sorted_opt, sb_opt, size); + for (i = 0; i < num_options; ++i) + sorted_opt[i] = &sb_opt[i]; qsort(sorted_opt, num_options, sizeof(*sorted_opt), h_compare_opt);
for (i = 0; i < num_options; ++i) { diff --git a/arch/sandbox/cpu/u-boot-spl.lds b/arch/sandbox/cpu/u-boot-spl.lds index 6754f4ef6c..5c19d090cb 100644 --- a/arch/sandbox/cpu/u-boot-spl.lds +++ b/arch/sandbox/cpu/u-boot-spl.lds @@ -20,12 +20,6 @@ SECTIONS *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.priv_data*))) __priv_data_end = .; } - - _u_boot_sandbox_getopt : { - *(.u_boot_sandbox_getopt_start) - KEEP(*(.u_boot_sandbox_getopt)) - *(.u_boot_sandbox_getopt_end) - } }
INSERT AFTER .data; diff --git a/arch/sandbox/cpu/u-boot.lds b/arch/sandbox/cpu/u-boot.lds index dd675cc3d2..c3fc67a15b 100644 --- a/arch/sandbox/cpu/u-boot.lds +++ b/arch/sandbox/cpu/u-boot.lds @@ -13,12 +13,6 @@ SECTIONS KEEP(*(SORT(.u_boot_list*))); }
- _u_boot_sandbox_getopt : { - *(.u_boot_sandbox_getopt_start) - *(.u_boot_sandbox_getopt) - *(.u_boot_sandbox_getopt_end) - } - /* Sandbox has empty EFI runtime lists. */ __efi_runtime_start = .; __efi_runtime_stop = __efi_runtime_start; diff --git a/arch/sandbox/include/asm/getopt.h b/arch/sandbox/include/asm/getopt.h index d2145ad6e2..a4b510bd20 100644 --- a/arch/sandbox/include/asm/getopt.h +++ b/arch/sandbox/include/asm/getopt.h @@ -9,6 +9,8 @@ #ifndef __SANDBOX_GETOPT_H #define __SANDBOX_GETOPT_H
+#include <linker_lists.h> + struct sandbox_state;
/* @@ -36,18 +38,13 @@ struct sandbox_cmdline_option { * magic junk that makes this all work. */ #define _SANDBOX_CMDLINE_OPT(f, s, ha, h) \ - static struct sandbox_cmdline_option sandbox_cmdline_option_##f = { \ + ll_entry_declare(struct sandbox_cmdline_option, f, sandbox_getopt) = { \ .flag = #f, \ .flag_short = s, \ .help = h, \ .has_arg = ha, \ .callback = sandbox_cmdline_cb_##f, \ - }; \ - /* Ppointer to the struct in a special section for the linker script */ \ - static __used __section(".u_boot_sandbox_getopt") \ - struct sandbox_cmdline_option \ - *sandbox_cmdline_option_##f##_ptr = \ - &sandbox_cmdline_option_##f + }
/** * Macros for end code to declare new command line flags. @@ -69,4 +66,12 @@ struct sandbox_cmdline_option { */ #define SANDBOX_CMDLINE_OPT_SHORT(f, s, ha, h) _SANDBOX_CMDLINE_OPT(f, s, ha, h)
+/** Get the start of the list of command line flags. */ +#define SANDBOX_CMDLINE_OPT_START() \ + ll_entry_start(struct sandbox_cmdline_option, sandbox_getopt) + +/** Get the number of entries in the command line flags list. */ +#define SANDBOX_CMDLINE_OPT_COUNT() \ + ll_entry_count(struct sandbox_cmdline_option, sandbox_getopt) + #endif diff --git a/arch/sandbox/include/asm/sections.h b/arch/sandbox/include/asm/sections.h index f4351ae7db..c335cb2061 100644 --- a/arch/sandbox/include/asm/sections.h +++ b/arch/sandbox/include/asm/sections.h @@ -11,29 +11,4 @@
#include <asm-generic/sections.h>
-struct sandbox_cmdline_option; - -static inline struct sandbox_cmdline_option ** -__u_boot_sandbox_option_start(void) -{ - static char start[0] __aligned(4) __attribute__((unused)) - __section(".u_boot_sandbox_getopt_start"); - - return (struct sandbox_cmdline_option **)&start; -} - -static inline struct sandbox_cmdline_option ** -__u_boot_sandbox_option_end(void) -{ - static char end[0] __aligned(4) __attribute__((unused)) - __section(".u_boot_sandbox_getopt_end"); - - return (struct sandbox_cmdline_option **)&end; -} - -static inline size_t __u_boot_sandbox_option_count(void) -{ - return __u_boot_sandbox_option_end() - __u_boot_sandbox_option_start(); -} - #endif