diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/powerpc64')
21 files changed, 274 insertions, 88 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/Makefile b/sysdeps/unix/sysv/linux/powerpc/powerpc64/Makefile deleted file mode 100644 index 3ba3b1f6e2..0000000000 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/Makefile +++ /dev/null @@ -1,2 +0,0 @@ -# See Makeconfig regarding the use of default-abi. -default-abi := 64 diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/____longjmp_chk.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/____longjmp_chk.S index 270e21e001..ae576d62c3 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/____longjmp_chk.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/____longjmp_chk.S @@ -33,24 +33,24 @@ cmpld reg, r1; \ bge+ .Lok; \ mflr r0; \ - std r0,16(r1); \ + std r0,FRAME_LR_SAVE(r1); \ mr r31,r3; \ mr r30,r4; \ - stdu r1,-144(r1); \ + stdu r1,-FRAME_MIN_SIZE-32(r1); \ cfi_remember_state; \ - cfi_adjust_cfa_offset (144); \ - cfi_offset (lr, 16); \ + cfi_adjust_cfa_offset (FRAME_MIN_SIZE+32); \ + cfi_offset (lr, FRAME_LR_SAVE); \ li r3,0; \ - addi r4,r1,112; \ + addi r4,r1,FRAME_MIN_SIZE; \ li r0,__NR_sigaltstack; \ sc; \ /* Without working sigaltstack we cannot perform the test. */ \ bso .Lok2; \ - lwz r0,112+8(r1); \ + lwz r0,FRAME_MIN_SIZE+8(r1); \ andi. r4,r0,1; \ beq .Lfail; \ - ld r0,112+16(r1); \ - ld r4,112(r1); \ + ld r0,FRAME_MIN_SIZE+16(r1); \ + ld r4,FRAME_MIN_SIZE(r1); \ add r4,r4,r0; \ sub r3,r3,reg; \ cmpld r3,r0; \ diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/brk.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/brk.S index 348aeb5ba0..33cdf25225 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/brk.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/brk.S @@ -28,9 +28,9 @@ ENTRY (__brk) CALL_MCOUNT 1 - std r3,48(r1) + std r3,-8(r1) DO_CALL(SYS_ify(brk)) - ld r6,48(r1) + ld r6,-8(r1) ld r5,.LC__curbrk@toc(r2) std r3,0(r5) cmpld r6,r3 diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S index cf46856e1a..37d9d24fb9 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S @@ -40,22 +40,22 @@ ENTRY (__clone) cror cr0*4+eq,cr1*4+eq,cr0*4+eq beq- cr0,L(badargs) - /* Save some regs in parm save area. */ + /* Save some regs in the "red zone". */ #ifdef RESET_PID - std r29,48(r1) + std r29,-24(r1) #endif - std r30,56(r1) - std r31,64(r1) + std r30,-16(r1) + std r31,-8(r1) #ifdef RESET_PID - cfi_offset(r29,48) + cfi_offset(r29,-24) #endif - cfi_offset(r30,56) - cfi_offset(r31,64) + cfi_offset(r30,-16) + cfi_offset(r31,-8) /* Set up stack frame for child. */ clrrdi r4,r4,4 li r0,0 - stdu r0,-112(r4) /* min stack frame is 112 bytes per ABI */ + stdu r0,-FRAME_MIN_SIZE_PARM(r4) /* Save fn, args, stack across syscall. */ mr r30,r3 /* Function in r30. */ @@ -97,14 +97,12 @@ L(nomoregetpid): L(oldpid): #endif - std r2,40(r1) + std r2,FRAME_TOC_SAVE(r1) /* Call procedure. */ - ld r0,0(r30) - ld r2,8(r30) - mtctr r0 + PPC64_LOAD_FUNCPTR r30 mr r3,r31 bctrl - ld r2,40(r1) + ld r2,FRAME_TOC_SAVE(r1) /* Call _exit with result from procedure. */ #ifdef SHARED b JUMPTARGET(__GI__exit) @@ -123,15 +121,15 @@ L(badargs): L(parent): /* Parent. Restore registers & return. */ #ifdef RESET_PID - cfi_offset(r29,48) + cfi_offset(r29,-24) #endif - cfi_offset(r30,56) - cfi_offset(r31,64) + cfi_offset(r30,-16) + cfi_offset(r31,-8) #ifdef RESET_PID - ld r29,48(r1) + ld r29,-24(r1) #endif - ld r30,56(r1) - ld r31,64(r1) + ld r30,-16(r1) + ld r31,-8(r1) #ifdef RESET_PID cfi_restore(r29) #endif diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/configure b/sysdeps/unix/sysv/linux/powerpc/powerpc64/configure new file mode 100644 index 0000000000..fbb6334a90 --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/configure @@ -0,0 +1,166 @@ +# This file is generated from configure.ac by Autoconf. DO NOT EDIT! + # Local configure fragment for sysdeps/unix/sysv/linux/powerpc/powerpc64/. + +# Define default-abi according to compiler flags. + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5 +$as_echo_n "checking for grep that handles long lines and -e... " >&6; } +if ${ac_cv_path_GREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$GREP"; then + ac_path_GREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in grep ggrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext" + { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue +# Check for GNU ac_path_GREP and select it if it is found. + # Check for GNU $ac_path_GREP +case `"$ac_path_GREP" --version 2>&1` in +*GNU*) + ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'GREP' >> "conftest.nl" + "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_GREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_GREP="$ac_path_GREP" + ac_path_GREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_GREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_GREP"; then + as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_GREP=$GREP +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5 +$as_echo "$ac_cv_path_GREP" >&6; } + GREP="$ac_cv_path_GREP" + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5 +$as_echo_n "checking for egrep... " >&6; } +if ${ac_cv_path_EGREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if echo a | $GREP -E '(a|b)' >/dev/null 2>&1 + then ac_cv_path_EGREP="$GREP -E" + else + if test -z "$EGREP"; then + ac_path_EGREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in egrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext" + { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue +# Check for GNU ac_path_EGREP and select it if it is found. + # Check for GNU $ac_path_EGREP +case `"$ac_path_EGREP" --version 2>&1` in +*GNU*) + ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'EGREP' >> "conftest.nl" + "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_EGREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_EGREP="$ac_path_EGREP" + ac_path_EGREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_EGREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_EGREP"; then + as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_EGREP=$EGREP +fi + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5 +$as_echo "$ac_cv_path_EGREP" >&6; } + EGREP="$ac_cv_path_EGREP" + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler is using the PowerPC64 ELFv2 ABI" >&5 +$as_echo_n "checking whether the compiler is using the PowerPC64 ELFv2 ABI... " >&6; } +if ${libc_cv_ppc64_elfv2_abi+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#if _CALL_ELF == 2 + yes + #endif + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "yes" >/dev/null 2>&1; then : + libc_cv_ppc64_elfv2_abi=yes +else + libc_cv_ppc64_elfv2_abi=no +fi +rm -f conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ppc64_elfv2_abi" >&5 +$as_echo "$libc_cv_ppc64_elfv2_abi" >&6; } +if test $libc_cv_ppc64_elfv2_abi = yes; then + config_vars="$config_vars +default-abi = 64-v2" +else + config_vars="$config_vars +default-abi = 64-v1" +fi diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/configure.ac b/sysdeps/unix/sysv/linux/powerpc/powerpc64/configure.ac new file mode 100644 index 0000000000..c9cd4bc8fd --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/configure.ac @@ -0,0 +1,15 @@ +GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. +# Local configure fragment for sysdeps/unix/sysv/linux/powerpc/powerpc64/. + +# Define default-abi according to compiler flags. +AC_CACHE_CHECK([whether the compiler is using the PowerPC64 ELFv2 ABI], + [libc_cv_ppc64_elfv2_abi], + [AC_EGREP_CPP(yes,[#if _CALL_ELF == 2 + yes + #endif + ], libc_cv_ppc64_elfv2_abi=yes, libc_cv_ppc64_elfv2_abi=no)]) +if test $libc_cv_ppc64_elfv2_abi = yes; then + LIBC_CONFIG_VAR([default-abi], [64-v2]) +else + LIBC_CONFIG_VAR([default-abi], [64-v1]) +fi diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/Implies b/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/Implies deleted file mode 100644 index 6243d2ef27..0000000000 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/Implies +++ /dev/null @@ -1,2 +0,0 @@ -# Override ldbl-opt with powerpc64 specific routines. -powerpc/powerpc64/fpu diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_mask.c b/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_mask.c index 2ab5855005..1d579bfcca 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_mask.c +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_mask.c @@ -27,9 +27,8 @@ const fenv_t * __fe_mask_env (void) { #if defined PR_SET_FPEXC && defined PR_FP_EXC_DISABLED - int result; INTERNAL_SYSCALL_DECL (err); - result = INTERNAL_SYSCALL (prctl, err, 2, PR_SET_FPEXC, PR_FP_EXC_DISABLED); + INTERNAL_SYSCALL (prctl, err, 2, PR_SET_FPEXC, PR_FP_EXC_DISABLED); #else __set_errno (ENOSYS); #endif diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c b/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c index fd2ffb14f0..8532518ec2 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c @@ -22,17 +22,19 @@ #include <sys/syscall.h> #include <sys/prctl.h> #include <kernel-features.h> +#include <shlib-compat.h> const fenv_t * -__fe_nomask_env (void) +__fe_nomask_env_priv (void) { #if defined PR_SET_FPEXC && defined PR_FP_EXC_PRECISE - int result; INTERNAL_SYSCALL_DECL (err); - result = INTERNAL_SYSCALL (prctl, err, 2, PR_SET_FPEXC, PR_FP_EXC_PRECISE); + INTERNAL_SYSCALL (prctl, err, 2, PR_SET_FPEXC, PR_FP_EXC_PRECISE); #else __set_errno (ENOSYS); #endif return FE_ENABLED_ENV; } -libm_hidden_def (__fe_nomask_env) +#if SHLIB_COMPAT (libm, GLIBC_2_3, GLIBC_2_19) +compat_symbol (libm, __fe_nomask_env_priv, __fe_nomask_env, GLIBC_2_3); +#endif diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/ldsodefs.h b/sysdeps/unix/sysv/linux/powerpc/powerpc64/ldsodefs.h index 4263b1aed1..d043968a03 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/ldsodefs.h +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/ldsodefs.h @@ -23,6 +23,8 @@ /* Now define our stuff. */ +#if _CALL_ELF != 2 + static __always_inline bool _dl_ppc64_is_opd_sym (const struct link_map *l, const ElfW(Sym) *sym) { @@ -73,4 +75,6 @@ _dl_ppc64_addr_sym_match (const struct link_map *l, const ElfW(Sym) *sym, #define DL_ADDR_SYM_MATCH(L, SYM, MATCHSYM, ADDR) \ _dl_ppc64_addr_sym_match (L, SYM, MATCHSYM, ADDR) +#endif + #endif /* ldsodefs.h */ diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/makecontext.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/makecontext.S index 4a16669383..b6d82bdd19 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/makecontext.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/makecontext.S @@ -111,6 +111,7 @@ L(parmloop): L(noparms): +#if _CALL_ELF != 2 /* Load the function address and TOC from the function descriptor and store them in the ucontext as NIP and r2. Store the 3rd field of the function descriptor into the ucontext as r11 in case @@ -121,11 +122,23 @@ L(noparms): std r0,(SIGCONTEXT_GP_REGS+(PT_NIP*8))(r3) std r10,(SIGCONTEXT_GP_REGS+(PT_R2*8))(r3) std r9,(SIGCONTEXT_GP_REGS+(PT_R11*8))(r3) +#else + /* In the ELFv2 ABI, the function pointer is already the address. + Store it as NIP and r12 as required by the ABI. */ + std r4,(SIGCONTEXT_GP_REGS+(PT_NIP*8))(r3) + std r4,(SIGCONTEXT_GP_REGS+(PT_R12*8))(r3) +#endif /* If the target function returns we need to do some cleanup. We use a code trick to get the address of our cleanup function into the link - register. Do not add any code between here and L(exitcode). */ - bl L(gotexitcodeaddr); + register. Do not add any code between here and L(exitcode). + Use this conditional form of branch and link to avoid destroying + the cpu link stack used to predict blr return addresses. */ + bcl 20,31,L(gotexitcodeaddr); + + /* End FDE now, because while executing on the context's stack + the unwind info would be wrong otherwise. */ + cfi_endproc /* This is the helper code which gets called if a function which is registered with 'makecontext' returns. In this case we @@ -155,6 +168,11 @@ L(do_exit): #endif b L(do_exit) + /* Re-establish FDE for the rest of the actual makecontext routine. */ + cfi_startproc + cfi_offset (lr, FRAME_LR_SAVE) + cfi_adjust_cfa_offset (128) + /* The address of the exit code is in the link register. Store the lr in the ucontext as LNK so the target function will return to our exit code. */ diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/power4/Implies b/sysdeps/unix/sysv/linux/powerpc/powerpc64/power4/Implies deleted file mode 100644 index bedb20b65c..0000000000 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/power4/Implies +++ /dev/null @@ -1,2 +0,0 @@ -powerpc/powerpc64/power4/fpu -powerpc/powerpc64/power4 diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/power5+/Implies b/sysdeps/unix/sysv/linux/powerpc/powerpc64/power5+/Implies deleted file mode 100644 index 4c782d4122..0000000000 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/power5+/Implies +++ /dev/null @@ -1,2 +0,0 @@ -powerpc/powerpc64/power5+/fpu -powerpc/powerpc64/power5+ diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/power5/Implies b/sysdeps/unix/sysv/linux/powerpc/powerpc64/power5/Implies deleted file mode 100644 index a01a13ab12..0000000000 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/power5/Implies +++ /dev/null @@ -1,2 +0,0 @@ -powerpc/powerpc64/power5/fpu -powerpc/powerpc64/power5 diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/power6/Implies b/sysdeps/unix/sysv/linux/powerpc/powerpc64/power6/Implies deleted file mode 100644 index 9d68f39d22..0000000000 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/power6/Implies +++ /dev/null @@ -1,2 +0,0 @@ -powerpc/powerpc64/power6/fpu -powerpc/powerpc64/power6 diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/power6x/Implies b/sysdeps/unix/sysv/linux/powerpc/powerpc64/power6x/Implies deleted file mode 100644 index 9019778254..0000000000 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/power6x/Implies +++ /dev/null @@ -1,2 +0,0 @@ -powerpc/powerpc64/power6x/fpu -powerpc/powerpc64/power6x diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/power7/Implies b/sysdeps/unix/sysv/linux/powerpc/powerpc64/power7/Implies deleted file mode 100644 index 9a5e3c7277..0000000000 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/power7/Implies +++ /dev/null @@ -1,2 +0,0 @@ -powerpc/powerpc64/power7/fpu -powerpc/powerpc64/power7 diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/power8/Implies b/sysdeps/unix/sysv/linux/powerpc/powerpc64/power8/Implies deleted file mode 100644 index fad2505ab9..0000000000 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/power8/Implies +++ /dev/null @@ -1,2 +0,0 @@ -powerpc/powerpc64/power8/fpu -powerpc/powerpc64/power8 diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S index e1f0b8624c..5ec19ba561 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S @@ -129,6 +129,10 @@ ENTRY(__novec_setcontext) lfd fp1,(SIGCONTEXT_FP_REGS+(PT_R1*8))(r31) lfd fp0,(SIGCONTEXT_FP_REGS+(PT_R0*8))(r31) + /* End FDE now, because the unwind info would be wrong while + we're reloading registers to switch to the new context. */ + cfi_endproc + ld r0,(SIGCONTEXT_GP_REGS+(PT_LNK*8))(r31) ld r1,(SIGCONTEXT_GP_REGS+(PT_R1*8))(r31) mtlr r0 @@ -177,6 +181,11 @@ ENTRY(__novec_setcontext) ld r31,(SIGCONTEXT_GP_REGS+(PT_R31*8))(r31) bctr + /* Re-establish FDE for the rest of the actual setcontext routine. */ + cfi_startproc + cfi_offset (lr, FRAME_LR_SAVE) + cfi_adjust_cfa_offset (128) + L(nv_error_exit): ld r0,128+FRAME_LR_SAVE(r1) addi r1,r1,128 @@ -403,6 +412,10 @@ L(has_no_vec): lfd fp1,(SIGCONTEXT_FP_REGS+(PT_R1*8))(r31) lfd fp0,(SIGCONTEXT_FP_REGS+(PT_R0*8))(r31) + /* End FDE now, because the unwind info would be wrong while + we're reloading registers to switch to the new context. */ + cfi_endproc + ld r0,(SIGCONTEXT_GP_REGS+(PT_LNK*8))(r31) ld r1,(SIGCONTEXT_GP_REGS+(PT_R1*8))(r31) mtlr r0 @@ -451,6 +464,11 @@ L(has_no_vec): ld r31,(SIGCONTEXT_GP_REGS+(PT_R31*8))(r31) bctr + /* Re-establish FDE for the rest of the actual setcontext routine. */ + cfi_startproc + cfi_offset (lr, FRAME_LR_SAVE) + cfi_adjust_cfa_offset (128) + L(error_exit): ld r0,128+FRAME_LR_SAVE(r1) addi r1,r1,128 diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/socket.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/socket.S index 018e55c997..aba2d80902 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/socket.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/socket.S @@ -46,8 +46,13 @@ # endif #endif -#define FRAMESIZE 128 -#define stackblock FRAMESIZE+48 /* offset to parm save area. */ +#if _CALL_ELF == 2 +#define FRAMESIZE (FRAME_MIN_SIZE+16+64) +#define stackblock (FRAME_MIN_SIZE+16) +#else +#define FRAMESIZE (FRAME_MIN_SIZE+16) +#define stackblock (FRAMESIZE+FRAME_PARM_SAVE) /* offset to parm save area. */ +#endif .text ENTRY(__socket) @@ -98,22 +103,22 @@ ENTRY(__socket) .Lsocket_cancel: cfi_adjust_cfa_offset(FRAMESIZE) mflr r9 - std r9,FRAMESIZE+16(r1) - cfi_offset (lr, 16) + std r9,FRAMESIZE+FRAME_LR_SAVE(r1) + cfi_offset (lr, FRAME_LR_SAVE) CENABLE - std r3,120(r1) + std r3,FRAME_MIN_SIZE+8(r1) li r3,P(SOCKOP_,socket) addi r4,r1,stackblock DO_CALL(SYS_ify(socketcall)) mfcr r0 - std r3,112(r1) - std r0,FRAMESIZE+8(r1) - cfi_offset (cr, 8) - ld r3,120(r1) + std r3,FRAME_MIN_SIZE(r1) + std r0,FRAMESIZE+FRAME_CR_SAVE(r1) + cfi_offset (cr, FRAME_CR_SAVE) + ld r3,FRAME_MIN_SIZE+8(r1) CDISABLE - ld r4,FRAMESIZE+16(r1) - ld r0,FRAMESIZE+8(r1) - ld r3,112(r1) + ld r4,FRAMESIZE+FRAME_LR_SAVE(r1) + ld r0,FRAMESIZE+FRAME_CR_SAVE(r1) + ld r3,FRAME_MIN_SIZE(r1) mtlr r4 mtcr r0 addi r1,r1,FRAMESIZE diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/ucontext_i.sym b/sysdeps/unix/sysv/linux/powerpc/powerpc64/ucontext_i.sym index a35418d9d4..8364e4614f 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/ucontext_i.sym +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/ucontext_i.sym @@ -8,27 +8,6 @@ SIG_BLOCK SIG_SETMASK --- Offsets of the fields in the powerpc64 ABI stack frame. --- XXX Do these correspond to some struct? - -FRAME_BACKCHAIN 0 -FRAME_CR_SAVE 8 -FRAME_LR_SAVE 16 -FRAME_COMPILER_DW 24 -FRAME_LINKER_DW 32 -FRAME_TOC_SAVE 40 -FRAME_PARM_SAVE 48 -FRAME_PARM1_SAVE 48 -FRAME_PARM2_SAVE 56 -FRAME_PARM3_SAVE 64 -FRAME_PARM4_SAVE 72 -FRAME_PARM5_SAVE 80 -FRAME_PARM6_SAVE 88 -FRAME_PARM7_SAVE 96 -FRAME_PARM8_SAVE 104 -FRAME_PARM9_SAVE 112 - - -- Offsets of the fields in the ucontext_t structure. #define ucontext(member) offsetof (ucontext_t, member) #define mcontext(member) ucontext (uc_mcontext.member) |