From f0d5c576f73efed254eaa77ad270afa6efe6026c Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Wed, 8 Mar 2006 03:58:13 +0000 Subject: macro out the /10 operation so arches can have their own versions ... and create some default macros for do_rem/do_div_10 so we dont duplicate the samething in many arch header files --- ldso/include/dl-string.h | 12 ++++++++++-- ldso/ldso/arm/dl-sysdep.h | 1 + ldso/ldso/cris/dl-sysdep.h | 2 -- ldso/ldso/frv/dl-sysdep.h | 2 -- ldso/ldso/i386/dl-sysdep.h | 2 -- ldso/ldso/m68k/dl-sysdep.h | 4 ---- ldso/ldso/mips/dl-sysdep.h | 2 -- ldso/ldso/powerpc/dl-sysdep.h | 3 --- ldso/ldso/sh64/dl-sysdep.h | 2 -- ldso/ldso/x86_64/dl-sysdep.h | 2 -- 10 files changed, 11 insertions(+), 21 deletions(-) (limited to 'ldso') diff --git a/ldso/include/dl-string.h b/ldso/include/dl-string.h index ec098d2ca..a50cfd6b3 100644 --- a/ldso/include/dl-string.h +++ b/ldso/include/dl-string.h @@ -11,6 +11,14 @@ #include /* for do_rem */ #include +/* provide some sane defaults */ +#ifndef do_rem +# define do_rem(result, n, base) ((result) = (n) % (base)) +#endif +#ifndef do_div_10 +# define do_div_10(result, remain) ((result) /= 10) +#endif + static size_t _dl_strlen(const char * str); static char *_dl_strcat(char *dst, const char *src); static char * _dl_strcpy(char * dst,const char *src); @@ -234,7 +242,7 @@ static __always_inline char * _dl_simple_ltoa(char * local, unsigned long i) char temp; do_rem(temp, i, 10); *--p = '0' + temp; - i /= 10; + do_div_10(i, temp); } while (i > 0); return p; } @@ -324,7 +332,7 @@ static __always_inline char * _dl_simple_ltoahex(char * local, unsigned long i) do { \ do_rem(v, (X), 10); \ *--tmp2 = '0' + v; \ - (X) /= 10; \ + do_div_10((X), v); \ } while ((X) > 0); \ _dl_write(2, tmp2, tmp1 - tmp2 + sizeof(tmp) - 1); \ } diff --git a/ldso/ldso/arm/dl-sysdep.h b/ldso/ldso/arm/dl-sysdep.h index 194fd2eb7..839e9276f 100644 --- a/ldso/ldso/arm/dl-sysdep.h +++ b/ldso/ldso/arm/dl-sysdep.h @@ -43,6 +43,7 @@ static inline unsigned long arm_modulus(unsigned long m, unsigned long p) return m; } #define do_rem(result, n, base) ((result) = arm_modulus(n, base)) +#define do_div_10(result, remain) ((result) = (((result) - (remain)) / 2) * -(-1ul / 5ul)) /* Here we define the magic numbers that this dynamic loader should accept */ #define MAGIC1 EM_ARM diff --git a/ldso/ldso/cris/dl-sysdep.h b/ldso/ldso/cris/dl-sysdep.h index b5fa89035..b84dcad70 100644 --- a/ldso/ldso/cris/dl-sysdep.h +++ b/ldso/ldso/cris/dl-sysdep.h @@ -18,8 +18,6 @@ struct elf_resolve; extern unsigned long _dl_linux_resolver(struct elf_resolve *tpnt, int reloc_entry); -#define do_rem(result, n, base) ((result) = (n) % (base)) - /* 8192 bytes alignment */ #define PAGE_ALIGN 0xffffe000 #define ADDR_ALIGN 0x1fff diff --git a/ldso/ldso/frv/dl-sysdep.h b/ldso/ldso/frv/dl-sysdep.h index 158f6af04..131eb5fb5 100644 --- a/ldso/ldso/frv/dl-sysdep.h +++ b/ldso/ldso/frv/dl-sysdep.h @@ -65,8 +65,6 @@ struct funcdesc_value extern int _dl_linux_resolve(void) __attribute__((__visibility__("hidden"))); -#define do_rem(result, n, base) ((result) = (n) % (base)) - /* 16KiB page alignment. Should perhaps be made dynamic using getpagesize(), based on AT_PAGESZ from auxvt? */ #define PAGE_ALIGN 0xffffc000 diff --git a/ldso/ldso/i386/dl-sysdep.h b/ldso/ldso/i386/dl-sysdep.h index 2ef94c95f..6d6039c83 100644 --- a/ldso/ldso/i386/dl-sysdep.h +++ b/ldso/ldso/i386/dl-sysdep.h @@ -25,8 +25,6 @@ do { \ struct elf_resolve; extern unsigned long _dl_linux_resolver(struct elf_resolve * tpnt, int reloc_entry); -#define do_rem(result, n, base) ((result) = (n) % (base)) - /* 4096 bytes alignment */ #define PAGE_ALIGN 0xfffff000 #define ADDR_ALIGN 0xfff diff --git a/ldso/ldso/m68k/dl-sysdep.h b/ldso/ldso/m68k/dl-sysdep.h index c11d2fbfe..4e5e09085 100644 --- a/ldso/ldso/m68k/dl-sysdep.h +++ b/ldso/ldso/m68k/dl-sysdep.h @@ -25,10 +25,6 @@ do { \ struct elf_resolve; extern unsigned int _dl_linux_resolver (struct elf_resolve *, int); -/* Define this because we do not want to call .udiv in the library. - Not needed for m68k. */ -#define do_rem(result, n, base) ((result) = (n) % (base)) - /* 4096 bytes alignment */ #define PAGE_ALIGN 0xfffff000 #define ADDR_ALIGN 0xfff diff --git a/ldso/ldso/mips/dl-sysdep.h b/ldso/ldso/mips/dl-sysdep.h index 63119aafb..77edcd921 100644 --- a/ldso/ldso/mips/dl-sysdep.h +++ b/ldso/ldso/mips/dl-sysdep.h @@ -63,8 +63,6 @@ unsigned long __dl_runtime_resolve(unsigned long sym_index, struct elf_resolve; void _dl_perform_mips_global_got_relocations(struct elf_resolve *tpnt, int lazy); -#define do_rem(result, n, base) ((result) = (n) % (base)) - /* 4096 bytes alignment */ #define PAGE_ALIGN 0xfffff000 #define ADDR_ALIGN 0xfff diff --git a/ldso/ldso/powerpc/dl-sysdep.h b/ldso/ldso/powerpc/dl-sysdep.h index 6f7bde147..a06aa8aff 100644 --- a/ldso/ldso/powerpc/dl-sysdep.h +++ b/ldso/ldso/powerpc/dl-sysdep.h @@ -67,9 +67,6 @@ struct elf_resolve; extern unsigned long _dl_linux_resolver(struct elf_resolve * tpnt, int reloc_entry); void _dl_init_got(unsigned long *lpnt,struct elf_resolve *tpnt); - -#define do_rem(result, n, base) ((result) = (n) % (base)) - /* 4096 bytes alignment */ #define PAGE_ALIGN 0xfffff000 #define ADDR_ALIGN 0xfff diff --git a/ldso/ldso/sh64/dl-sysdep.h b/ldso/ldso/sh64/dl-sysdep.h index 506e9ece2..f16885b23 100644 --- a/ldso/ldso/sh64/dl-sysdep.h +++ b/ldso/ldso/sh64/dl-sysdep.h @@ -25,8 +25,6 @@ struct elf_resolve; extern unsigned long _dl_linux_resolver(struct elf_resolve * tpnt, int reloc_entry); -#define do_rem(result, n, base) ((result) = (n) % (base)) - /* 4096 bytes alignment */ #define PAGE_ALIGN 0xfffff000 #define ADDR_ALIGN 0xfff diff --git a/ldso/ldso/x86_64/dl-sysdep.h b/ldso/ldso/x86_64/dl-sysdep.h index 9e2aff14f..202eab19d 100644 --- a/ldso/ldso/x86_64/dl-sysdep.h +++ b/ldso/ldso/x86_64/dl-sysdep.h @@ -41,8 +41,6 @@ do { \ struct elf_resolve; extern unsigned long _dl_linux_resolver(struct elf_resolve * tpnt, int reloc_entry); -#define do_rem(result, n, base) ((result) = (n) % (base)) - /* 4096 bytes alignment */ #define PAGE_ALIGN 0xfffff000 #define ADDR_ALIGN 0xfff -- cgit v1.2.3