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Hi, I inspected all s390* assembler files and added CFI directives to them. The directives necessary for cancallation support are already there. Whats missing are the cfi calls in the remaining .S files which come in handy for debugging. I hope I got them all... blue skies, Martin. 2003-12-05 Martin Schwidefsky <schwidefsky@de.ibm.com> * sysdeps/s390/s390-32/elf/setjmp.S (setjmp, __setjmp): Add END statements. * sysdeps/s390/s390-64/elf/setjmp.S (setjmp, __setjmp): Likewise. * sysdeps/s390/s390-32/sysdep.h (ENTRY): Add cfi_startproc directive. (END): Add cfi_endproc directive. * sysdeps/s390/s390-64/sysdep.h (ENTRY, END): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/socket.S (__socket): Remove cfi_startproc and cfi_endproc directive. * sysdeps/unix/sysv/linux/s390/s390-64/socket.S (__socket): Likewise. * sysdeps/s390/s390-32/addmul_1.S (__mpn_addmul_1): Add CFI directives. * sysdeps/s390/s390-32/add_n.S (__mpn_add_n): Likewise. * sysdeps/s390/s390-64/add_n.S (__mpn_add_n): Likewise. * sysdeps/s390/s390-32/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE): Likewise. * sysdeps/s390/s390-64/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE): Likewise. * sysdeps/s390/s390-32/mul_1.S (__mpn_mul_1): Likewise. * sysdeps/s390/s390-32/sub_n.S (__mpn_sub_n): Likewise. * sysdeps/s390/s390-64/sub_n.S (__mpn_sub_n): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S (__mmap64): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/mmap.S (__mmap): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/mmap.S (__mmap): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/syscall.S (syscall): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/syscall.S (syscall): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S (__syscall_error): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S (__syscall_error): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/clone.S (__clone): Add CFI directives. Move thread_start out of ENTRY/PSEUDO_END block to make backchain terminate. * sysdeps/unix/sysv/linux/s390/s390-64/clone.S (__clone): Likewise. diff -urN libc/sysdeps/s390/s390-32/addmul_1.S libc-s390/sysdeps/s390/s390-32/addmul_1.S --- libc/sysdeps/s390/s390-32/addmul_1.S 2003-11-14 13:59:00.000000000 +0100 +++ libc-s390/sysdeps/s390/s390-32/addmul_1.S 2003-12-05 14:38:06.000000000 +0100 @@ -33,6 +33,7 @@ .text ENTRY(__mpn_addmul_1) st %r6,24(%r15) + cfi_offset (%r6, -72) slr %r6,%r6 # cy_limb = 0 .L0: icm %r1,15,0(%r3) # get s1_ptr[i] mr %r0,%r5 # umul_ppmm(prod_high,prod_low,s1_ptr[j],s2_limb) diff -urN libc/sysdeps/s390/s390-32/add_n.S libc-s390/sysdeps/s390/s390-32/add_n.S --- libc/sysdeps/s390/s390-32/add_n.S 2003-11-14 13:59:00.000000000 +0100 +++ libc-s390/sysdeps/s390/s390-32/add_n.S 2003-12-05 14:38:06.000000000 +0100 @@ -33,6 +33,7 @@ .text ENTRY(__mpn_add_n) st %r6,24(%r15) # save register 6 + cfi_offset (%r6, -72) sr %r1,%r1 lhi %r0,1 # cannot use ahi to add carry, use alr .L0: l %r6,0(%r1,%r3) # .L0 -> no carry from last add diff -urN libc/sysdeps/s390/s390-32/dl-machine.h libc-s390/sysdeps/s390/s390-32/dl-machine.h --- libc/sysdeps/s390/s390-32/dl-machine.h 2003-11-14 13:59:00.000000000 +0100 +++ libc-s390/sysdeps/s390/s390-32/dl-machine.h 2003-12-05 14:38:06.000000000 +0100 @@ -146,12 +146,14 @@ .globl _dl_runtime_resolve\n\ .type _dl_runtime_resolve, @function\n\ .align 16\n\ + " CFI_STARTPROC "\n\ _dl_runtime_resolve:\n\ # save registers\n\ stm 2,5,32(15)\n\ st 14,48(15)\n\ lr 0,15\n\ ahi 15,-96\n\ + " CFI_ADJUST_CFA_OFFSET(96)"\n\ st 0,0(15)\n\ # load args saved by PLT\n\ lm 2,3,120(15)\n\ @@ -162,21 +164,25 @@ lr 1,2 # function addr returned in r2\n\ # restore registers\n\ ahi 15,96\n\ + " CFI_ADJUST_CFA_OFFSET(-96)" \n\ l 14,48(15)\n\ lm 2,5,32(15)\n\ br 1\n\ 1: .long fixup-1b\n\ + " CFI_ENDPROC "\n\ .size _dl_runtime_resolve, .-_dl_runtime_resolve\n\ \n\ .globl _dl_runtime_profile\n\ .type _dl_runtime_profile, @function\n\ .align 16\n\ + " CFI_STARTPROC "\n\ _dl_runtime_profile:\n\ # save registers\n\ stm 2,5,32(15)\n\ st 14,48(15)\n\ lr 0,15\n\ ahi 15,-96\n\ + " CFI_ADJUST_CFA_OFFSET(96)"\n\ st 0,0(15)\n\ # load args saved by PLT\n\ lm 2,3,120(15)\n\ @@ -189,10 +195,12 @@ lr 1,2 # function addr returned in r2\n\ # restore registers\n\ ahi 15,96\n\ + " CFI_ADJUST_CFA_OFFSET(-96)" \n\ l 14,48(15)\n\ lm 2,5,32(15)\n\ br 1\n\ 1: .long profile_fixup-1b\n\ + " CFI_ENDPROC "\n\ .size _dl_runtime_profile, .-_dl_runtime_profile\n\ "); #else @@ -204,6 +212,7 @@ .type _dl_runtime_resolve, @function\n\ .type _dl_runtime_profile, @function\n\ .align 16\n\ + " CFI_STARTPROC "\n\ _dl_runtime_resolve:\n\ _dl_runtime_profile:\n\ # save registers\n\ @@ -211,6 +220,7 @@ st 14,48(15)\n\ lr 0,15\n\ ahi 15,-96\n\ + " CFI_ADJUST_CFA_OFFSET(96)"\n\ st 0,0(15)\n\ # load args saved by PLT\n\ lm 2,3,120(15)\n\ @@ -223,10 +233,12 @@ lr 1,2 # function addr returned in r2\n\ # restore registers\n\ ahi 15,96\n\ + " CFI_ADJUST_CFA_OFFSET(-96)" \n\ l 14,48(15)\n\ lm 2,5,32(15)\n\ br 1\n\ 1: .long fixup-1b\n\ + " CFI_ENDPROC "\n\ .size _dl_runtime_resolve, .-_dl_runtime_resolve\n\ .size _dl_runtime_profile, .-_dl_runtime_profile\n\ "); diff -urN libc/sysdeps/s390/s390-32/elf/setjmp.S libc-s390/sysdeps/s390/s390-32/elf/setjmp.S --- libc/sysdeps/s390/s390-32/elf/setjmp.S 2003-11-14 13:59:00.000000000 +0100 +++ libc-s390/sysdeps/s390/s390-32/elf/setjmp.S 2003-12-05 14:38:06.000000000 +0100 @@ -34,9 +34,15 @@ /* Binary compatibility entry point. */ ENTRY(_setjmp) .weak C_SYMBOL_NAME (_setjmp) + lhi %r3,0 /* second argument of zero */ + j .Linternal_sigsetjmp /* branch relativ to __sigsetjmp */ +END (_setjmp) libc_hidden_def (_setjmp) + ENTRY(__setjmp) lhi %r3,0 /* second argument of zero */ + j .Linternal_sigsetjmp /* branch relativ to __sigsetjmp */ +END (__setjmp) ENTRY(__sigsetjmp) .Linternal_sigsetjmp: diff -urN libc/sysdeps/s390/s390-32/mul_1.S libc-s390/sysdeps/s390/s390-32/mul_1.S --- libc/sysdeps/s390/s390-32/mul_1.S 2003-11-14 13:59:00.000000000 +0100 +++ libc-s390/sysdeps/s390/s390-32/mul_1.S 2003-12-05 14:38:06.000000000 +0100 @@ -33,6 +33,7 @@ .text ENTRY(__mpn_mul_1) st %r6,24(%r15) + cfi_offset (%r6, -72) slr %r6,%r6 # cy_limb = 0 .L0: icm %r1,15,0(%r3) # get s1_ptr[i] mr %r0,%r5 # umul_ppmm(prod_high,prod_low,s1_ptr[j],s2_limb) diff -urN libc/sysdeps/s390/s390-32/sub_n.S libc-s390/sysdeps/s390/s390-32/sub_n.S --- libc/sysdeps/s390/s390-32/sub_n.S 2003-11-14 13:59:00.000000000 +0100 +++ libc-s390/sysdeps/s390/s390-32/sub_n.S 2003-12-05 14:38:06.000000000 +0100 @@ -32,6 +32,7 @@ ENTRY(__mpn_sub_n) st %r6,24(%r15) # save register 6 + cfi_offset (%r6, -72) sr %r1,%r1 lhi %r0,1 # cannot use ahi to add carry, use slr .L0: l %r6,0(%r1,%r3) # .L0 -> no carry from last sub diff -urN libc/sysdeps/s390/s390-32/sysdep.h libc-s390/sysdeps/s390/s390-32/sysdep.h --- libc/sysdeps/s390/s390-32/sysdep.h 2003-11-14 13:59:00.000000000 +0100 +++ libc-s390/sysdeps/s390/s390-32/sysdep.h 2003-12-05 14:38:06.000000000 +0100 @@ -51,10 +51,12 @@ ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function) \ .align ALIGNARG(2); \ C_LABEL(name) \ + cfi_startproc; \ CALL_MCOUNT #undef END #define END(name) \ + cfi_endproc; \ ASM_SIZE_DIRECTIVE(name) \ /* If compiled for profiling, call `mcount' at the start of each function. */ diff -urN libc/sysdeps/s390/s390-64/add_n.S libc-s390/sysdeps/s390/s390-64/add_n.S --- libc/sysdeps/s390/s390-64/add_n.S 2003-11-14 13:59:00.000000000 +0100 +++ libc-s390/sysdeps/s390/s390-64/add_n.S 2003-12-05 14:38:06.000000000 +0100 @@ -33,6 +33,7 @@ .text ENTRY(__mpn_add_n) stg %r6,48(%r15) # save register 6 + cfi_offset (%r6,-112) slgr %r1,%r1 lghi %r0,1 # cannot use ahi to add carry, use alr .L0: lg %r6,0(%r1,%r3) # .L0 -> no carry from last add diff -urN libc/sysdeps/s390/s390-64/dl-machine.h libc-s390/sysdeps/s390/s390-64/dl-machine.h --- libc/sysdeps/s390/s390-64/dl-machine.h 2003-11-14 13:59:00.000000000 +0100 +++ libc-s390/sysdeps/s390/s390-64/dl-machine.h 2003-12-05 14:38:06.000000000 +0100 @@ -139,12 +139,14 @@ .globl _dl_runtime_resolve\n\ .type _dl_runtime_resolve, @function\n\ .align 16\n\ + " CFI_STARTPROC "\n\ _dl_runtime_resolve:\n\ # save registers\n\ stmg 2,5,64(15)\n\ stg 14,96(15)\n\ lgr 0,15\n\ aghi 15,-160\n\ + " CFI_ADJUST_CFA_OFFSET(160)"\n\ stg 0,0(15)\n\ # load args saved by PLT\n\ lmg 2,3,208(15)\n\ @@ -152,20 +154,24 @@ lgr 1,2 # function addr returned in r2\n\ # restore registers\n\ aghi 15,160\n\ + " CFI_ADJUST_CFA_OFFSET(-160)" \n\ lg 14,96(15)\n\ lmg 2,5,64(15)\n\ br 1\n\ + " CFI_ENDPROC "\n\ .size _dl_runtime_resolve, .-_dl_runtime_resolve\n\ \n\ .globl _dl_runtime_profile\n\ .type _dl_runtime_profile, @function\n\ .align 16\n\ + " CFI_STARTPROC "\n\ _dl_runtime_profile:\n\ # save registers\n\ stmg 2,5,64(15)\n\ stg 14,96(15)\n\ lgr 0,15\n\ aghi 15,-160\n\ + " CFI_ADJUST_CFA_OFFSET(160)"\n\ stg 0,0(15)\n\ # load args saved by PLT\n\ lmg 2,3,208(15)\n\ @@ -175,9 +181,11 @@ lgr 1,2 # function addr returned in r2\n\ # restore registers\n\ aghi 15,160\n\ + " CFI_ADJUST_CFA_OFFSET(-160)" \n\ lg 14,96(15)\n\ lmg 2,5,64(15)\n\ br 1\n\ + " CFI_ENDPROC "\n\ .size _dl_runtime_profile, .-_dl_runtime_profile\n\ "); #else @@ -189,6 +197,7 @@ .type _dl_runtime_resolve, @function\n\ .type _dl_runtime_profile, @function\n\ .align 16\n\ + " CFI_STARTPROC "\n\ _dl_runtime_resolve:\n\ _dl_runtime_profile:\n\ # save registers\n\ @@ -196,6 +205,7 @@ stg 14,96(15)\n\ lgr 0,15\n\ aghi 15,-160\n\ + " CFI_ADJUST_CFA_OFFSET(160)"\n\ stg 0,0(15)\n\ # load args saved by PLT\n\ lmg 2,3,208(15)\n\ @@ -205,9 +215,11 @@ lgr 1,2 # function addr returned in r2\n\ # restore registers\n\ aghi 15,160\n\ + " CFI_ADJUST_CFA_OFFSET(-160)" \n\ lg 14,96(15)\n\ lmg 2,5,64(15)\n\ br 1\n\ + " CFI_ENDPROC "\n\ .size _dl_runtime_resolve, .-_dl_runtime_resolve\n\ .size _dl_runtime_profile, .-_dl_runtime_profile\n\ "); diff -urN libc/sysdeps/s390/s390-64/elf/setjmp.S libc-s390/sysdeps/s390/s390-64/elf/setjmp.S --- libc/sysdeps/s390/s390-64/elf/setjmp.S 2003-11-14 13:59:00.000000000 +0100 +++ libc-s390/sysdeps/s390/s390-64/elf/setjmp.S 2003-12-05 14:38:06.000000000 +0100 @@ -34,9 +34,15 @@ /* Binary compatibility entry point. */ ENTRY(_setjmp) .weak C_SYMBOL_NAME (_setjmp) + slgr %r3,%r3 /* Second argument of zero. */ + j .Linternal_sigsetjmp /* Branch relativ to __sigsetjmp. */ +END (setjmp) libc_hidden_def (_setjmp) + ENTRY(__setjmp) slgr %r3,%r3 /* Second argument of zero. */ + j .Linternal_sigsetjmp /* Branch relativ to __sigsetjmp. */ +END (setjmp) ENTRY(__sigsetjmp) .Linternal_sigsetjmp: diff -urN libc/sysdeps/s390/s390-64/sub_n.S libc-s390/sysdeps/s390/s390-64/sub_n.S --- libc/sysdeps/s390/s390-64/sub_n.S 2003-11-14 13:59:00.000000000 +0100 +++ libc-s390/sysdeps/s390/s390-64/sub_n.S 2003-12-05 14:38:06.000000000 +0100 @@ -30,6 +30,7 @@ ENTRY(__mpn_sub_n) stg %r6,48(%r15) # save register 6 + cfi_offset (%r6,-112) sgr %r1,%r1 lghi %r0,1 # cannot use ahi to add carry, use slr .L0: lg %r6,0(%r1,%r3) # .L0 -> no carry from last sub diff -urN libc/sysdeps/s390/s390-64/sysdep.h libc-s390/sysdeps/s390/s390-64/sysdep.h --- libc/sysdeps/s390/s390-64/sysdep.h 2003-11-14 13:59:00.000000000 +0100 +++ libc-s390/sysdeps/s390/s390-64/sysdep.h 2003-12-05 14:38:06.000000000 +0100 @@ -51,10 +51,12 @@ ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function) \ .align ALIGNARG(2); \ C_LABEL(name) \ + cfi_startproc; \ CALL_MCOUNT #undef END #define END(name) \ + cfi_endproc; \ ASM_SIZE_DIRECTIVE(name) \ /* If compiled for profiling, call `mcount' at the start of each function. */ diff -urN libc/sysdeps/unix/sysv/linux/s390/s390-32/clone.S libc-s390/sysdeps/unix/sysv/linux/s390/s390-32/clone.S --- libc/sysdeps/unix/sysv/linux/s390/s390-32/clone.S 2003-11-14 13:59:00.000000000 +0100 +++ libc-s390/sysdeps/unix/sysv/linux/s390/s390-32/clone.S 2003-12-05 14:38:29.000000000 +0100 @@ -32,6 +32,7 @@ .text ENTRY(__clone) st %r6,24(%r15) /* store %r6 to save area */ + cfi_offset (%r6, -72) lr %r0,%r5 /* move *arg out of the way */ ltr %r1,%r2 /* check fn and move to %r1 */ jz error /* no NULL function pointers */ @@ -50,6 +51,7 @@ error: lhi %r2,-EINVAL j SYSCALL_ERROR_LABEL +PSEUDO_END (__clone) thread_start: /* fn is in gpr 1, arg in gpr 0 */ @@ -71,5 +73,4 @@ br %r1 /* branch to _exit -> thread termination */ .L1: .long _exit - .L0 #endif -PSEUDO_END (__clone) weak_alias (__clone, clone) diff -urN libc/sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S libc-s390/sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S --- libc/sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S 2003-11-14 13:59:00.000000000 +0100 +++ libc-s390/sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S 2003-12-05 14:38:06.000000000 +0100 @@ -26,8 +26,19 @@ ENTRY(__mmap64) /* Save registers and setup stack frame. */ stm %r6,%r15,24(%r15) + cfi_offset (%r15, -36) + cfi_offset (%r14, -40) + cfi_offset (%r13, -44) + cfi_offset (%r12, -48) + cfi_offset (%r11, -52) + cfi_offset (%r10, -56) + cfi_offset (%r9, -60) + cfi_offset (%r8, -64) + cfi_offset (%r7, -68) + cfi_offset (%r6, -72) lr %r1,%r15 ahi %r15,-120 /* Buy stack space. */ + cfi_adjust_cfa_offset (120) st %r1,0(%r15) /* Store back chain. */ /* Store parameters on stack, because mmap2 and old_mmap @@ -56,6 +67,7 @@ #endif l %r15,0(%r15) /* Load back chain. */ + cfi_adjust_cfa_offset (-120) lm %r6,%r15,24(%r15) /* Load registers. */ /* Check gpr 2 for error. */ diff -urN libc/sysdeps/unix/sysv/linux/s390/s390-32/mmap.S libc-s390/sysdeps/unix/sysv/linux/s390/s390-32/mmap.S --- libc/sysdeps/unix/sysv/linux/s390/s390-32/mmap.S 2003-11-14 13:59:00.000000000 +0100 +++ libc-s390/sysdeps/unix/sysv/linux/s390/s390-32/mmap.S 2003-12-05 14:38:06.000000000 +0100 @@ -25,8 +25,19 @@ ENTRY(__mmap) /* Save registers and setup stack frame. */ stm %r6,%r15,24(%r15) + cfi_offset (%r15, -36) + cfi_offset (%r14, -40) + cfi_offset (%r13, -44) + cfi_offset (%r12, -48) + cfi_offset (%r11, -52) + cfi_offset (%r10, -56) + cfi_offset (%r9, -60) + cfi_offset (%r8, -64) + cfi_offset (%r7, -68) + cfi_offset (%r6, -72) lr %r1,%r15 ahi %r15,-120 /* buy stack space */ + cfi_adjust_cfa_offset (120) st %r1,0(%r15) /* store back chain */ /* Store parameters on stack, because old_mmap/mmap2 @@ -57,6 +68,7 @@ #endif 1: l %r15,0(%r15) /* Load back chain. */ + cfi_adjust_cfa_offset (-120) lm %r6,%r15,24(%r15) /* Load registers. */ /* check gpr 2 for error */ diff -urN libc/sysdeps/unix/sysv/linux/s390/s390-32/socket.S libc-s390/sysdeps/unix/sysv/linux/s390/s390-32/socket.S --- libc/sysdeps/unix/sysv/linux/s390/s390-32/socket.S 2003-11-14 13:59:00.000000000 +0100 +++ libc-s390/sysdeps/unix/sysv/linux/s390/s390-32/socket.S 2003-12-05 14:38:06.000000000 +0100 @@ -47,8 +47,6 @@ .globl __socket ENTRY(__socket) - cfi_startproc - /* Save registers and setup stack. */ stm %r6,%r15,24(%r15) /* save registers */ cfi_offset (%r15, -36) @@ -136,7 +134,6 @@ 2: .long CENABLE-1b 3: .long CDISABLE-1b #endif - cfi_endproc SYSCALL_ERROR_HANDLER END (__socket) diff -urN libc/sysdeps/unix/sysv/linux/s390/s390-32/syscall.S libc-s390/sysdeps/unix/sysv/linux/s390/s390-32/syscall.S --- libc/sysdeps/unix/sysv/linux/s390/s390-32/syscall.S 2003-11-14 13:59:00.000000000 +0100 +++ libc-s390/sysdeps/unix/sysv/linux/s390/s390-32/syscall.S 2003-12-05 14:38:06.000000000 +0100 @@ -25,9 +25,20 @@ ENTRY (syscall) /* Save registers and setup stack. */ stm %r6,%r15,24(%r15) /* save registers */ + cfi_offset (%r15, -36) + cfi_offset (%r14, -40) + cfi_offset (%r13, -44) + cfi_offset (%r12, -48) + cfi_offset (%r11, -52) + cfi_offset (%r10, -56) + cfi_offset (%r9, -60) + cfi_offset (%r8, -64) + cfi_offset (%r7, -68) + cfi_offset (%r6, -72) lr %r1,%r15 l %r0,4(0,%r15) /* load eos */ ahi %r15,-96 /* buy stack space */ + cfi_adjust_cfa_offset (96) st %r1,0(0,%r15) /* store back chain */ st %r0,4(0,%r15) /* store eos */ @@ -45,6 +56,7 @@ j 3f 2: ex %r1,1b-0b(%r7) /* lsb of R1 is subsituted as SVC number */ 3: l %r15,0(%r15) /* load back chain */ + cfi_adjust_cfa_offset (-96) lm %r6,15,24(%r15) /* load registers */ lhi %r0,-4095 diff -urN libc/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S libc-s390/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S --- libc/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S 2003-11-14 13:59:00.000000000 +0100 +++ libc-s390/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S 2003-12-05 14:38:06.000000000 +0100 @@ -55,8 +55,12 @@ 1: .long errno # else stm %r13,%r15,52(%r15) + cfi_offset (%r15, -36) + cfi_offset (%r14, -40) + cfi_offset (%r13, -44) lr %r0,%r15 ahi %r15,-96 + cfi_adjust_cfa_offset (96) lcr %r13,%r2 st %r0,0(%r15) basr %r1,0 @@ -64,6 +68,7 @@ basr %r14,%r1 st %r13,0(%r2) lm %r13,%r15,148(%r15) + cfi_adjust_cfa_offset (-96) lhi %r2,-1 br %r14 1: .long __errno_location @@ -103,8 +108,14 @@ 1: .long _GLOBAL_OFFSET_TABLE_-0b # else stm %r11,%r15,44(%r15) + cfi_offset (%r15, -36) + cfi_offset (%r14, -40) + cfi_offset (%r13, -44) + cfi_offset (%r12, -48) + cfi_offset (%r11, -52) lr %r0,%r15 ahi %r15,-96 + cfi_adjust_cfa_offset (96) lcr %r11,%r2 st %r0,0(%r15) basr %r13,0 @@ -114,6 +125,7 @@ bas %r14,0(%r1,%r13) st %r11,0(%r2) lm %r11,%r15,140(%r15) + cfi_adjust_cfa_offset (-96) lhi %r2,-1 br %r14 1: .long _GLOBAL_OFFSET_TABLE_-0b diff -urN libc/sysdeps/unix/sysv/linux/s390/s390-64/clone.S libc-s390/sysdeps/unix/sysv/linux/s390/s390-64/clone.S --- libc/sysdeps/unix/sysv/linux/s390/s390-64/clone.S 2003-11-14 13:59:00.000000000 +0100 +++ libc-s390/sysdeps/unix/sysv/linux/s390/s390-64/clone.S 2003-12-05 14:38:49.000000000 +0100 @@ -33,6 +33,7 @@ .text ENTRY(__clone) stg %r6,48(%r15) /* store %r6 to save area */ + cfi_offset (%r6,-112) lgr %r0,%r5 /* move *arg out of the way */ ltgr %r1,%r2 /* check fn and move to %r1 */ jz error /* no NULL function pointers */ @@ -51,6 +52,7 @@ error: lghi %r2,-EINVAL jg SYSCALL_ERROR_LABEL +PSEUDO_END (__clone) thread_start: /* fn is in gpr 1, arg in gpr 0 */ @@ -63,5 +65,4 @@ #else jg _exit /* branch to _exit -> thread termination */ #endif -PSEUDO_END (__clone) weak_alias (__clone, clone) diff -urN libc/sysdeps/unix/sysv/linux/s390/s390-64/mmap.S libc-s390/sysdeps/unix/sysv/linux/s390/s390-64/mmap.S --- libc/sysdeps/unix/sysv/linux/s390/s390-64/mmap.S 2003-11-14 13:59:00.000000000 +0100 +++ libc-s390/sysdeps/unix/sysv/linux/s390/s390-64/mmap.S 2003-12-05 14:38:06.000000000 +0100 @@ -27,9 +27,20 @@ ENTRY(__mmap) /* Save registers and setup stack frame. */ stmg %r6,%r15,48(%r15) + cfi_offset (%r15,-40) + cfi_offset (%r14,-48) + cfi_offset (%r13,-56) + cfi_offset (%r12,-64) + cfi_offset (%r11,-72) + cfi_offset (%r10,-80) + cfi_offset (%r9,-88) + cfi_offset (%r8,-96) + cfi_offset (%r7,-104) + cfi_offset (%r6,-112) lgr %r1,%r15 lg %r0,8(%r15) /* Load eos. */ aghi %r15,-208 /* Buy stack space. */ + cfi_adjust_cfa_offset (208) stg %r1,0(%r15) /* Store back chain. */ stg %r0,8(%r15) /* Store eos. */ @@ -50,6 +61,7 @@ svc SYS_ify(mmap) lg %r15,0(%r15) /* Load back chain. */ + cfi_adjust_cfa_offset (-208) lmg %r6,%r15,48(%r15) /* Load registers. */ /* Check gpr 2 for error. */ diff -urN libc/sysdeps/unix/sysv/linux/s390/s390-64/socket.S libc-s390/sysdeps/unix/sysv/linux/s390/s390-64/socket.S --- libc/sysdeps/unix/sysv/linux/s390/s390-64/socket.S 2003-11-14 13:59:00.000000000 +0100 +++ libc-s390/sysdeps/unix/sysv/linux/s390/s390-64/socket.S 2003-12-05 14:38:06.000000000 +0100 @@ -47,8 +47,6 @@ .globl __socket ENTRY(__socket) - cfi_startproc - /* Save registers and setup stack. */ stmg %r6,%r15,48(%r15) /* Save registers. */ cfi_offset (%r15,-40) @@ -130,9 +128,7 @@ j 4b #endif - cfi_endproc - -PSEUDO_END (__socket) +END (__socket) #ifndef NO_WEAK_ALIAS weak_alias (__socket, socket) diff -urN libc/sysdeps/unix/sysv/linux/s390/s390-64/syscall.S libc-s390/sysdeps/unix/sysv/linux/s390/s390-64/syscall.S --- libc/sysdeps/unix/sysv/linux/s390/s390-64/syscall.S 2003-11-14 13:59:00.000000000 +0100 +++ libc-s390/sysdeps/unix/sysv/linux/s390/s390-64/syscall.S 2003-12-05 14:38:06.000000000 +0100 @@ -25,9 +25,20 @@ ENTRY (syscall) /* Save registers and setup stack. */ stmg %r6,%r15,48(%r15) /* Save registers. */ + cfi_offset (%r15,-40) + cfi_offset (%r14,-48) + cfi_offset (%r13,-56) + cfi_offset (%r12,-64) + cfi_offset (%r11,-72) + cfi_offset (%r10,-80) + cfi_offset (%r9,-88) + cfi_offset (%r8,-96) + cfi_offset (%r7,-104) + cfi_offset (%r6,-112) lgr %r1,%r15 lg %r0,8(%r15) /* Load eos. */ aghi %r15,-160 /* Buy stack space. */ + cfi_adjust_cfa_offset (160) stg %r1,0(%r15) /* Store back chain. */ stg %r0,8(%r15) /* Store eos. */ @@ -45,6 +56,7 @@ j 3f 2: ex %r1,1b-0b(%r7) /* lsb of R1 is subsituted as SVC number */ 3: lg %r15,0(%r15) /* load back chain */ + cfi_adjust_cfa_offset (-160) lmg %r6,15,48(%r15) /* Load registers. */ lghi %r0,-4095 diff -urN libc/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S libc-s390/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S --- libc/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S 2003-11-14 13:59:00.000000000 +0100 +++ libc-s390/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S 2003-12-05 14:38:06.000000000 +0100 @@ -56,13 +56,18 @@ br %r14 # else stmg %r13,%r15,104(%r15) + cfi_offset (%r15,-40) + cfi_offset (%r14,-48) + cfi_offset (%r13,-56) lgr %r0,%r15 aghi %r15,-160 + cfi_adjust_cfa_offset (160) lcr %r13,%r2 stg %r0,0(%r15) brasl %r14,__errno_location st %r13,0(%r2) lmg %r13,%r15,264(%r15) + cfi_adjust_cfa_offset (-160) lghi %r2,-1 br %r14 #endif @@ -97,13 +102,18 @@ br %r14 # else stmg %r13,%r15,104(%r15) + cfi_offset (%r15,-40) + cfi_offset (%r14,-48) + cfi_offset (%r13,-56) lgr %r0,%r15 aghi %r15,-160 + cfi_adjust_cfa_offset (160) lcr %r13,%r2 stg %r0,0(%r15) brasl %r14,__errno_location@PLT st %r13,0(%r2) lmg %r13,%r15,264(%r15) + cfi_adjust_cfa_offset (-160) lghi %r2,-1 br %r14 # endif
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