From df777c40c1d8bc15dcc71a7da183f2a2c99bda62 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Thu, 20 Aug 1998 17:40:36 +0000 Subject: Update. 1998-08-20 16:01 Ulrich Drepper * elf/ldd.sh.in: Redirect warnings and error messages to stderr. * elf/ldd.bash.in: Likewise. * elf/sln.c: Avoid warning for no main prototype. * sysdeps/unix/sysv/linux/alpha/bits/fcntl.h: Remove O_READ and O_WRITE. * sysdeps/unix/sysv/linux/mips/bits/fcntl.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/fcntl.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/fcntl.h: Add F_SETSIG and F_GETSIG. * sysdeps/unix/sysv/linux/bits/fcntl.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/fcntl.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/fcntl.h: Likewise. 1998-08-20 Philip Blundell * sysdeps/arm/fpu/ieee754.h: Move to... * sysdeps/arm/ieee754.h: ... here. * sysdeps/arm/__longjmp.S: Put return value in correct register. Don't set the condition flags unnecessarily. * sysdeps/arm/fpu/__longjmp.S: Likewise. Restore floating point registers correctly. * sysdeps/arm/dl-machine.h: Fix problems with profiling code (patch from Scott Bambrough). * sysdeps/arm/sysdep.h (CALL_MCOUNT): Add missing semicolons. * csu/initfini.c (_init): Don't check whether __gmon_start__ is NULL, just call it unconditionally. (__gmon_start__): Provide stub version as a weak symbol. 1998-07-30 Philip Blundell * sysdeps/unix/sysv/linux/arm/init-first.h: New file (from patch by Scott Bambrough) * sysdeps/unix/sysv/linux/arm/errlist.c: New file; ARM tools don't like `@' in .type directives. * sysdeps/arm/bsd-setjmp.S: Use PLT for procedure call. * sysdeps/arm/bsd-_setjmp.S: Likewise. * sysdeps/arm/dl-machine.h: Set __libc_stack_end. 1998-08-20 Andreas Jaeger * sysdeps/unix/sysv/linux/mips/bits/fcntl.h (F_SETOWN): Correct value. (F_GETOWN): Likewise. * sysdeps/unix/sysv/linux/bits/siginfo.h (SI_SIGIO): Add it (from Linux 2.1.117). 1998-08-20 Ulrich Drepper * sysdeps/generic/glob.c [_LIBC]: Define __stat only if not already defined. 1998-08-14 Thorsten Kukuk * nis/nss_compat/compat-grp.c: Set errno to ENOENT if we have no more entries. * nis/nss_compat/compat-initgroups.c: Likewise. * nis/nss_compat/compat-pwd.c: Likewise. * nis/nss_compat/compat-spwd.c: Likewise. * nis/nss_nis/nis-alias.c: Likewise. * nis/nss_nis/nis-ethers.c: Likewise. * nis/nss_nis/nis-grp.c: Likewise. * nis/nss_nis/nis-hosts.c: Likewise. * nis/nss_nis/nis-initgroups.c: Likewise. * nis/nss_nis/nis-network.c: Likewise. * nis/nss_nis/nis-proto.c: Likewise. * nis/nss_nis/nis-pwd.c: Likewise. * nis/nss_nis/nis-rpc.c: Likewise. * nis/nss_nis/nis-service.c: Likewise. * nis/nss_nis/nis-spwd.c: Likewise. * nis/rpcsvc/yp.h: Generate new without 1024 byte limits. * nis/ypclnt.c: Try binding dir only first time, could be to old. * nis/yp_xdr.c: Remove 1024 byte limit. * nis/ypupdate_xdr.c: Likewise. * nis/nss_nis/nis-publickey.c: Make sure, nobody could send wrong data. --- sysdeps/arm/dl-machine.h | 60 +++++++++++++++++++++++++++++------------------- 1 file changed, 36 insertions(+), 24 deletions(-) (limited to 'sysdeps/arm/dl-machine.h') diff --git a/sysdeps/arm/dl-machine.h b/sysdeps/arm/dl-machine.h index 912f7863fb..c40f9d7260 100644 --- a/sysdeps/arm/dl-machine.h +++ b/sysdeps/arm/dl-machine.h @@ -99,7 +99,8 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile) end in this function. */ if (profile) { - got[2] = (Elf32_Addr) &_dl_runtime_profile; + //got[2] = (Elf32_Addr) &_dl_runtime_profile; + got[2] = (Elf32_Addr) &_dl_runtime_resolve; /* Say that we really want profiling and the timers are started. */ _dl_profile_map = l; } @@ -144,7 +145,6 @@ _dl_runtime_resolve: stmdb sp!,{r0-r3,sl,fp} @ prepare to call fixup() - @ change &GOT[n+3] into 8*n NOTE: reloc are 8 bytes each sub r1, ip, lr sub r1, r1, #4 @@ -153,6 +153,7 @@ _dl_runtime_resolve: @ get pointer to linker struct ldr r0, [lr, #-4] + @ call fixup routine " CALL_ROUTINE(fixup) " @ save the return @@ -165,21 +166,15 @@ _dl_runtime_resolve: mov pc, ip .size _dl_runtime_resolve, .-_dl_runtime_resolve - + .globl _dl_runtime_profile .type _dl_runtime_profile, #function .align 2 _dl_runtime_profile: - @ we get caled with - @ stack[0] contains the return address from this call - @ ip contains &GOT[n+3] (pointer to function) - @ lr points to &GOT[2] - - @ save almost everything; return add is already on the stack - stmdb sp!,{r0-r3,fp} + @ save almost everything; lr is already on the stack + stmdb sp!,{r0-r3,sl,fp} @ prepare to call fixup() - @ change &GOT[n+3] into 8*n NOTE: reloc are 8 bytes each sub r1, ip, lr sub r1, r1, #4 @@ -188,18 +183,19 @@ _dl_runtime_profile: @ get pointer to linker struct ldr r0, [lr, #-4] + @ call profiling fixup routine " CALL_ROUTINE(profile_fixup) " @ save the return mov ip, r0 @ restore the stack - ldmia sp!,{r0-r3,fp,lr} + ldmia sp!,{r0-r3,sl,fp,lr} @ jump to the newly found address mov pc, ip - .size _dl_runtime_profile, .-_dl_runtime_profile + .size _dl_runtime_resolve, .-_dl_runtime_resolve .previous "); #else // PROF @@ -212,15 +208,33 @@ _dl_runtime_profile: .align 2 _dl_runtime_resolve: _dl_runtime_profile: - stmdb sp!,{r0-r3,fp} - ldr r1,[sp,#0x34] + @ we get called with + @ stack[0] contains the return address from this call + @ ip contains &GOT[n+3] (pointer to function) + @ lr points to &GOT[2] + + @ save almost everything; return add is already on the stack + stmdb sp!,{r0-r3,sl,fp} + + @ prepare to call fixup() + @ change &GOT[n+3] into 8*n NOTE: reloc are 8 bytes each sub r1, ip, lr sub r1, r1, #4 add r1, r1, r1 + + @ get pointer to linker struct ldr r0, [lr, #-4] + + @ call profiling fixup routine " CALL_ROUTINE(fixup) " + + @ save the return mov ip, r0 - ldmia sp!,{r0-r3,fp,lr} + + @ restore the stack + ldmia sp!,{r0-r3,sl,fp,lr} + + @ jump to the newly found address mov pc, ip .size _dl_runtime_profile, .-_dl_runtime_profile @@ -251,6 +265,10 @@ _dl_start_user: ldr sl, .L_GET_GOT add sl, pc, sl .L_GOT_GOT: + @ Store the highest stack address + ldr r1, .L_STACK_END + ldr r1, [sl, r1] + str sp, [r1] @ See if we were run as a command with the executable file @ name as an extra leading argument. ldr r1, .L_SKIP_ARGS @@ -299,6 +317,8 @@ _dl_start_user: .word _dl_starting_up(GOT) .L_FINI_PROC: .word _dl_fini(GOT) +.L_STACK_END: + .word __libc_stack_end(GOT) .previous\n\ "); @@ -421,14 +441,6 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc, *reloc_addr += value; break; } - case R_ARM_PC24: - { - long int disp = (value - (Elf32_Addr) reloc_addr) / 4; - if ((disp >= (1<<24)) || (disp <= -(1<<24))) - assert (! "address out of range for PC24 reloc"); - *reloc_addr += disp; - } - break; default: assert (! "unexpected dynamic reloc type"); break; -- cgit v1.2.3