diff options
| -rw-r--r-- | Makefile | 17 | ||||
| -rw-r--r-- | common/Makefile | 1 | ||||
| -rw-r--r-- | common/kallsyms.c | 44 | ||||
| -rw-r--r-- | common/system_map.c | 8 | ||||
| -rw-r--r-- | cpu/blackfin/system_map.S | 18 | ||||
| -rw-r--r-- | cpu/blackfin/traps.c | 35 | ||||
| -rw-r--r-- | include/common.h | 3 | ||||
| -rw-r--r-- | include/configs/bfin_adi_common.h | 2 |
8 files changed, 75 insertions, 53 deletions
@@ -344,12 +344,19 @@ $(obj)u-boot.sha1: $(obj)u-boot.bin $(obj)u-boot.dis: $(obj)u-boot $(OBJDUMP) -d $< > $@ -$(obj)u-boot: depend $(SUBDIRS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) +GEN_UBOOT = \ UNDEF_SYM=`$(OBJDUMP) -x $(LIBBOARD) $(LIBS) | \ sed -n -e 's/.*\($(SYM_PREFIX)__u_boot_cmd_.*\)/-u\1/p'|sort|uniq`;\ cd $(LNDIR) && $(LD) $(LDFLAGS) $$UNDEF_SYM $(__OBJS) \ --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \ -Map u-boot.map -o u-boot +$(obj)u-boot: depend $(SUBDIRS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) + $(GEN_UBOOT) +ifeq ($(CONFIG_KALLSYMS),y) + smap=`$(call SYSTEM_MAP,u-boot) | awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\0"}'` ; \ + $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" -c common/system_map.c -o $(obj)common/system_map.o + $(GEN_UBOOT) $(obj)common/system_map.o +endif $(OBJS): depend $(MAKE) -C cpu/$(CPU) $(if $(REMOTE_BUILD),$@,$(notdir $@)) @@ -448,10 +455,12 @@ cscope: > cscope.files cscope -b -q -k -$(obj)System.map: $(obj)u-boot - @$(NM) $< | \ +SYSTEM_MAP = \ + $(NM) $1 | \ grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ - sort > $(obj)System.map + LC_ALL=C sort +$(obj)System.map: $(obj)u-boot + @$(call SYSTEM_MAP,$<) > $(obj)System.map # # Auto-generate the autoconf.mk file (which is included by all makefiles) diff --git a/common/Makefile b/common/Makefile index 2ca1026..ee0cb33 100644 --- a/common/Makefile +++ b/common/Makefile @@ -153,6 +153,7 @@ COBJS-$(CONFIG_CMD_DOC) += docecc.o COBJS-$(CONFIG_CONSOLE_MUX) += iomux.o COBJS-y += flash.o COBJS-$(CONFIG_CMD_KGDB) += kgdb.o +COBJS-$(CONFIG_KALLSYMS) += kallsyms.o COBJS-$(CONFIG_LCD) += lcd.o COBJS-$(CONFIG_LYNXKDI) += lynxkdi.o COBJS-$(CONFIG_MODEM_SUPPORT) += modem.o diff --git a/common/kallsyms.c b/common/kallsyms.c new file mode 100644 index 0000000..ce42a93 --- /dev/null +++ b/common/kallsyms.c @@ -0,0 +1,44 @@ +/* + * Helper functions for working with the builtin symbol table + * + * Copyright (c) 2008-2009 Analog Devices Inc. + * Licensed under the GPL-2 or later. + */ + +#include <common.h> + +/* We need the weak marking as this symbol is provided specially */ +extern const char system_map[] __attribute__((weak)); + +/* Given an address, return a pointer to the symbol name and store + * the base address in caddr. So if the symbol map had an entry: + * 03fb9b7c_spi_cs_deactivate + * Then the following call: + * unsigned long base; + * const char *sym = symbol_lookup(0x03fb9b80, &base); + * Would end up setting the variables like so: + * base = 0x03fb9b7c; + * sym = "_spi_cs_deactivate"; + */ +const char *symbol_lookup(unsigned long addr, unsigned long *caddr) +{ + const char *sym, *csym; + char *esym; + unsigned long sym_addr; + + sym = system_map; + csym = NULL; + *caddr = 0; + + while (*sym) { + sym_addr = simple_strtoul(sym, &esym, 16); + sym = esym; + if (sym_addr > addr) + break; + *caddr = sym_addr; + csym = sym; + sym += strlen(sym) + 1; + } + + return csym; +} diff --git a/common/system_map.c b/common/system_map.c new file mode 100644 index 0000000..8307293 --- /dev/null +++ b/common/system_map.c @@ -0,0 +1,8 @@ +/* + * The builtin symbol table for use with kallsyms + * + * Copyright (c) 2008-2009 Analog Devices Inc. + * Licensed under the GPL-2 or later. + */ + +const char const system_map[] = SYSTEM_MAP; diff --git a/cpu/blackfin/system_map.S b/cpu/blackfin/system_map.S deleted file mode 100644 index 286d7f3..0000000 --- a/cpu/blackfin/system_map.S +++ /dev/null @@ -1,18 +0,0 @@ -/* - * system_map.S - optional symbol lookup for debugging - * - * Copyright (c) 2007 Analog Devices Inc. - * Licensed under the GPL-2 or later. - */ - -#include <config.h> - -#ifdef CONFIG_DEBUG_DUMP_SYMS -.data -.global _system_map -.type _system_map,@object -_system_map: -#include SYM_FILE -.asciz "" -.size _system_map,.-_system_map -#endif diff --git a/cpu/blackfin/traps.c b/cpu/blackfin/traps.c index 2121b0e..7e7c74c 100644 --- a/cpu/blackfin/traps.c +++ b/cpu/blackfin/traps.c @@ -171,38 +171,13 @@ void trap_c(struct pt_regs *regs) # define ENABLE_DUMP 0 #endif -#ifdef CONFIG_DEBUG_DUMP_SYMS -# define ENABLE_DUMP_SYMS 1 -#else -# define ENABLE_DUMP_SYMS 0 -#endif - -static const char *symbol_lookup(unsigned long addr, unsigned long *caddr) +#ifndef CONFIG_KALLSYMS +const char *symbol_lookup(unsigned long addr, unsigned long *caddr) { - if (!ENABLE_DUMP_SYMS) - return NULL; - - extern const char system_map[] __attribute__((__weak__)); - const char *sym, *csym; - char *esym; - unsigned long sym_addr; - - sym = system_map; - csym = NULL; - *caddr = 0; - - while (*sym) { - sym_addr = simple_strtoul(sym, &esym, 16); - sym = esym; - if (sym_addr > addr) - break; - *caddr = sym_addr; - csym = sym; - sym += strlen(sym) + 1; - } - - return csym; + *caddr = addr; + return "N/A"; } +#endif static void decode_address(char *buf, unsigned long address) { diff --git a/include/common.h b/include/common.h index 30fff7d..df0f5a0 100644 --- a/include/common.h +++ b/include/common.h @@ -300,6 +300,9 @@ int misc_init_r (void); /* common/exports.c */ void jumptable_init(void); +/* common/kallsysm.c */ +const char *symbol_lookup(unsigned long addr, unsigned long *caddr); + /* api/api.c */ void api_init (void); diff --git a/include/configs/bfin_adi_common.h b/include/configs/bfin_adi_common.h index bfe5376..e0be07b 100644 --- a/include/configs/bfin_adi_common.h +++ b/include/configs/bfin_adi_common.h @@ -91,7 +91,7 @@ */ #define CONFIG_ENV_OVERWRITE 1 #define CONFIG_DEBUG_DUMP 1 -#define CONFIG_DEBUG_DUMP_SYMS 1 +#define CONFIG_KALLSYMS 1 #define CONFIG_PANIC_HANG 1 /* |