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authorLinus Torvalds <torvalds@linux-foundation.org>2008-07-28 11:41:13 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-28 11:41:13 -0400
commitb10a8b7238d7b034f28d32a85bb05c48475f132a (patch)
tree8e70e816757c2a517de6fb721dd9ac2276619c26 /fs
parent37eaf8c7463e53cf1acf025fb566fb6c4573297f (diff)
parent8b2224dc6a5b46cfa1d54ab1fe82107351c66443 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (72 commits) sh: SuperH Mobile CEU and camera platform data for AP325RXA sh: Update smc911x platform data for AP325RXA sh: SuperH Mobile LCDC platform data for AP325RXA sh: Add SuperH Mobile CEU platform data for Migo-R sh: Add SuperH Mobile LCDC platform data for Migo-R sh: Move asid_cache() out of ifdef to fix SH-3/4 nommu build. sh: Workaround for __put_user_asm() bug with gcc 4.x on big-endian. sh: Wire up new syscalls. sh: fix uImage Entry Point sh_keysc: remove request_mem_region() and release_mem_region() sh: Don't miss pending signals returning to user mode after signal processing sh: Use clk_always_enable() on sh7366 sh: Use clk_always_enable() on sh7343 / SE77343 sh: Use clk_always_enable() on sh7722 / Migo-R / SE7722 sh: Use clk_always_enable() on sh7723 / ap325rxa sh: Introduce clk_always_enable() function sh: Show all clocks and their state in /proc/clocks sh: Merge sh7343 and sh7722 clock code sh: Add SuperH Mobile MSTPCR bits to clock framework sh: Use arch_flags to simplify sh7722 siu clock code ...
Diffstat (limited to 'fs')
-rw-r--r--fs/Kconfig.binfmt2
-rw-r--r--fs/binfmt_elf_fdpic.c45
2 files changed, 26 insertions, 21 deletions
diff --git a/fs/Kconfig.binfmt b/fs/Kconfig.binfmt
index 3263084eef9e..4a551af6f3fc 100644
--- a/fs/Kconfig.binfmt
+++ b/fs/Kconfig.binfmt
@@ -30,7 +30,7 @@ config COMPAT_BINFMT_ELF
30config BINFMT_ELF_FDPIC 30config BINFMT_ELF_FDPIC
31 bool "Kernel support for FDPIC ELF binaries" 31 bool "Kernel support for FDPIC ELF binaries"
32 default y 32 default y
33 depends on (FRV || BLACKFIN) 33 depends on (FRV || BLACKFIN || (SUPERH32 && !MMU))
34 help 34 help
35 ELF FDPIC binaries are based on ELF, but allow the individual load 35 ELF FDPIC binaries are based on ELF, but allow the individual load
36 segments of a binary to be located in memory independently of each 36 segments of a binary to be located in memory independently of each
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index fdeadab2f18b..80c1f952ef78 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -470,6 +470,7 @@ static int create_elf_fdpic_tables(struct linux_binprm *bprm,
470 char __user *u_platform, *p; 470 char __user *u_platform, *p;
471 long hwcap; 471 long hwcap;
472 int loop; 472 int loop;
473 int nr; /* reset for each csp adjustment */
473 474
474 /* we're going to shovel a whole load of stuff onto the stack */ 475 /* we're going to shovel a whole load of stuff onto the stack */
475#ifdef CONFIG_MMU 476#ifdef CONFIG_MMU
@@ -542,10 +543,7 @@ static int create_elf_fdpic_tables(struct linux_binprm *bprm,
542 /* force 16 byte _final_ alignment here for generality */ 543 /* force 16 byte _final_ alignment here for generality */
543#define DLINFO_ITEMS 13 544#define DLINFO_ITEMS 13
544 545
545 nitems = 1 + DLINFO_ITEMS + (k_platform ? 1 : 0); 546 nitems = 1 + DLINFO_ITEMS + (k_platform ? 1 : 0) + AT_VECTOR_SIZE_ARCH;
546#ifdef DLINFO_ARCH_ITEMS
547 nitems += DLINFO_ARCH_ITEMS;
548#endif
549 547
550 csp = sp; 548 csp = sp;
551 sp -= nitems * 2 * sizeof(unsigned long); 549 sp -= nitems * 2 * sizeof(unsigned long);
@@ -557,39 +555,46 @@ static int create_elf_fdpic_tables(struct linux_binprm *bprm,
557 sp -= sp & 15UL; 555 sp -= sp & 15UL;
558 556
559 /* put the ELF interpreter info on the stack */ 557 /* put the ELF interpreter info on the stack */
560#define NEW_AUX_ENT(nr, id, val) \ 558#define NEW_AUX_ENT(id, val) \
561 do { \ 559 do { \
562 struct { unsigned long _id, _val; } __user *ent; \ 560 struct { unsigned long _id, _val; } __user *ent; \
563 \ 561 \
564 ent = (void __user *) csp; \ 562 ent = (void __user *) csp; \
565 __put_user((id), &ent[nr]._id); \ 563 __put_user((id), &ent[nr]._id); \
566 __put_user((val), &ent[nr]._val); \ 564 __put_user((val), &ent[nr]._val); \
565 nr++; \
567 } while (0) 566 } while (0)
568 567
568 nr = 0;
569 csp -= 2 * sizeof(unsigned long); 569 csp -= 2 * sizeof(unsigned long);
570 NEW_AUX_ENT(0, AT_NULL, 0); 570 NEW_AUX_ENT(AT_NULL, 0);
571 if (k_platform) { 571 if (k_platform) {
572 nr = 0;
572 csp -= 2 * sizeof(unsigned long); 573 csp -= 2 * sizeof(unsigned long);
573 NEW_AUX_ENT(0, AT_PLATFORM, 574 NEW_AUX_ENT(AT_PLATFORM,
574 (elf_addr_t) (unsigned long) u_platform); 575 (elf_addr_t) (unsigned long) u_platform);
575 } 576 }
576 577
578 nr = 0;
577 csp -= DLINFO_ITEMS * 2 * sizeof(unsigned long); 579 csp -= DLINFO_ITEMS * 2 * sizeof(unsigned long);
578 NEW_AUX_ENT( 0, AT_HWCAP, hwcap); 580 NEW_AUX_ENT(AT_HWCAP, hwcap);
579 NEW_AUX_ENT( 1, AT_PAGESZ, PAGE_SIZE); 581 NEW_AUX_ENT(AT_PAGESZ, PAGE_SIZE);
580 NEW_AUX_ENT( 2, AT_CLKTCK, CLOCKS_PER_SEC); 582 NEW_AUX_ENT(AT_CLKTCK, CLOCKS_PER_SEC);
581 NEW_AUX_ENT( 3, AT_PHDR, exec_params->ph_addr); 583 NEW_AUX_ENT(AT_PHDR, exec_params->ph_addr);
582 NEW_AUX_ENT( 4, AT_PHENT, sizeof(struct elf_phdr)); 584 NEW_AUX_ENT(AT_PHENT, sizeof(struct elf_phdr));
583 NEW_AUX_ENT( 5, AT_PHNUM, exec_params->hdr.e_phnum); 585 NEW_AUX_ENT(AT_PHNUM, exec_params->hdr.e_phnum);
584 NEW_AUX_ENT( 6, AT_BASE, interp_params->elfhdr_addr); 586 NEW_AUX_ENT(AT_BASE, interp_params->elfhdr_addr);
585 NEW_AUX_ENT( 7, AT_FLAGS, 0); 587 NEW_AUX_ENT(AT_FLAGS, 0);
586 NEW_AUX_ENT( 8, AT_ENTRY, exec_params->entry_addr); 588 NEW_AUX_ENT(AT_ENTRY, exec_params->entry_addr);
587 NEW_AUX_ENT( 9, AT_UID, (elf_addr_t) current->uid); 589 NEW_AUX_ENT(AT_UID, (elf_addr_t) current->uid);
588 NEW_AUX_ENT(10, AT_EUID, (elf_addr_t) current->euid); 590 NEW_AUX_ENT(AT_EUID, (elf_addr_t) current->euid);
589 NEW_AUX_ENT(11, AT_GID, (elf_addr_t) current->gid); 591 NEW_AUX_ENT(AT_GID, (elf_addr_t) current->gid);
590 NEW_AUX_ENT(12, AT_EGID, (elf_addr_t) current->egid); 592 NEW_AUX_ENT(AT_EGID, (elf_addr_t) current->egid);
591 593
592#ifdef ARCH_DLINFO 594#ifdef ARCH_DLINFO
595 nr = 0;
596 csp -= AT_VECTOR_SIZE_ARCH * 2 * sizeof(unsigned long);
597
593 /* ARCH_DLINFO must come last so platform specific code can enforce 598 /* ARCH_DLINFO must come last so platform specific code can enforce
594 * special alignment requirements on the AUXV if necessary (eg. PPC). 599 * special alignment requirements on the AUXV if necessary (eg. PPC).
595 */ 600 */