From f118c166cb9967908ff6df233eaacffc3e8e3642 Mon Sep 17 00:00:00 2001 From: "\"Jan-Benedict Glaw\"" Date: Mon, 30 Jan 2006 21:23:23 +0000 Subject: Assebler sources ment to be preprocessed shouldn't contain assembler comments, but C comments instead... --- libc/sysdeps/linux/vax/__longjmp.S | 38 +++++++++++++++++++++----------------- libc/sysdeps/linux/vax/_setjmp.S | 1 - libc/sysdeps/linux/vax/brk.c | 2 +- libc/sysdeps/linux/vax/crt1.S | 20 ++++++++++---------- libc/sysdeps/linux/vax/crti.S | 17 ++++------------- libc/sysdeps/linux/vax/crtn.S | 12 ++---------- libc/sysdeps/linux/vax/setjmp.S | 35 ++++++++++++++++++++--------------- 7 files changed, 58 insertions(+), 67 deletions(-) (limited to 'libc/sysdeps/linux') diff --git a/libc/sysdeps/linux/vax/__longjmp.S b/libc/sysdeps/linux/vax/__longjmp.S index a48581fa9..61b37a3b9 100644 --- a/libc/sysdeps/linux/vax/__longjmp.S +++ b/libc/sysdeps/linux/vax/__longjmp.S @@ -1,24 +1,28 @@ #include -# longjmp.S atp sept 2001 -# restore regs and info and jmp back to a previous setjmp +/* + * longjmp.S atp sept 2001 + * Jan-Benedict Glaw 2006 + * + * Restore regs and info and jmp back to a previous setjmp + */ -.globl __longjmp -.align 4 +.globl __longjmp +.align 4 __longjmp: - .word 0x0040 # this matches setjmp and PLT - movl 0x4(%ap), %r0 # our scratch reg -# movl $0, %r0 -# movl (%r0), %r0 - # we are going to modify our stack frame - # to the same as that of the setjmp we called earlier - movl (%r0), (%fp) # cond handler - movl 0x4(%r0), 0x4(%fp) # psw - movl 0x8(%r0), 0x8(%fp) # ap - movl 0xc(%r0), 0xc(%fp) # fp - movl 0x10(%r0), 0x10(%fp) # pc + .word 0x0040 /* This matches setjmp and PLT */ + movl 0x4(%ap), %r0 /* Our scratch reg */ +/* movl $0, %r0 */ +/* movl (%r0), %r0 */ + /* We are going to modify our stack frame */ + /* to the same as that of the setjmp we called earlier */ + movl (%r0), (%fp) /* cond handler */ + movl 0x4(%r0), 0x4(%fp) /* psw */ + movl 0x8(%r0), 0x8(%fp) /* ap */ + movl 0xc(%r0), 0xc(%fp) /* fp */ + movl 0x10(%r0), 0x10(%fp) /* pc */ - # restore the regs + /* Restore the regs */ movl 0x14(%r0), %r1 movl 0x18(%r0), %r2 movl 0x1c(%r0), %r3 @@ -31,7 +35,7 @@ __longjmp: movl 0x38(%r0), %r10 movl 0x3c(%r0), %r11 - # check val and set to 1 if set to zero + /* Check val and set to 1 if set to zero */ movl 0x8(%ap), %r0 tstl %r0 bneq exit_ok diff --git a/libc/sysdeps/linux/vax/_setjmp.S b/libc/sysdeps/linux/vax/_setjmp.S index 17d3160d8..680ddd729 100644 --- a/libc/sysdeps/linux/vax/_setjmp.S +++ b/libc/sysdeps/linux/vax/_setjmp.S @@ -1,4 +1,3 @@ - .globl _setjmp .align 4 _setjmp: diff --git a/libc/sysdeps/linux/vax/brk.c b/libc/sysdeps/linux/vax/brk.c index bd49e19fe..5b23f6075 100644 --- a/libc/sysdeps/linux/vax/brk.c +++ b/libc/sysdeps/linux/vax/brk.c @@ -30,7 +30,7 @@ brk (void *addr) { register unsigned long int result __asm__ ("%%r0"); - asm ( + __asm__ ( " pushl %%ap \n" /* Start frame */ " pushl %2 \n" /* New top address we wish to get */ " pushl $1 \n" /* One argument */ diff --git a/libc/sysdeps/linux/vax/crt1.S b/libc/sysdeps/linux/vax/crt1.S index ea9c105d6..70960988d 100644 --- a/libc/sysdeps/linux/vax/crt1.S +++ b/libc/sysdeps/linux/vax/crt1.S @@ -35,16 +35,16 @@ _start: movl %sp, %r3 /* R3 = argv = &argv[0] */ #if (defined L_crt1 || defined L_gcrt1) && defined __UCLIBC_CTOR_DTOR__ - pushl %r0 # stack_end - pushl $0 # rtld_fini. This is probably needed for the case - # where a dynamic linker is involved. So this is - # an open FIXME that needs to be addressed at some - # time... + pushl %r0 /* stack_end */ + pushl $0 /* rtld_fini. This is probably needed for the */ + /* case where a dynamic linker is involved. So */ + /* this is an open FIXME that needs to be */ + /* addressed at some time... */ pushl $_fini pushl $_init - pushl %r3 /* Argument pointer */ - pushl %r4 /* And the argument count */ - pushl $main /* main() */ + pushl %r3 /* Argument pointer */ + pushl %r4 /* And the argument count */ + pushl $main /* main() */ /* We need to call __uClibc_main which should not return. * __uClibc_main (int (*main) (int, char **, char **), @@ -66,8 +66,8 @@ _start: calls $3, __uClibc_main #endif - /* The above __uClibc_start_main() shouldn't ever return. If it - does, we just crash. */ + /* The above __uClibc_start_main() shouldn't ever return. If it */ + /* does, we just crash. */ halt .align 2 diff --git a/libc/sysdeps/linux/vax/crti.S b/libc/sysdeps/linux/vax/crti.S index e75eb5ca1..0056478bb 100644 --- a/libc/sysdeps/linux/vax/crti.S +++ b/libc/sysdeps/linux/vax/crti.S @@ -2,29 +2,20 @@ .version "01.01" gcc2_compiled.: __gnu_compiled_c: -#APP - .section .init -#NO_APP .align 1 .globl _init .type _init,@function _init: - .word 0x0 -#APP - + .word 0x0000 + .align 1 - - + .section .fini -#NO_APP .align 1 .globl _fini .type _fini,@function _fini: - .word 0x0 -#APP + .word 0x0000 .align 1 - - .ident "GCC: (GNU) 2.95.2 19991024 (release) (Linux/VAX CVS)" diff --git a/libc/sysdeps/linux/vax/crtn.S b/libc/sysdeps/linux/vax/crtn.S index f028947b4..6ca5c4fcd 100644 --- a/libc/sysdeps/linux/vax/crtn.S +++ b/libc/sysdeps/linux/vax/crtn.S @@ -2,28 +2,20 @@ .version "01.01" gcc2_compiled.: __gnu_compiled_c: -#APP - + .section .init -#NO_APP .align 1 .globl _init .type _init,@function -#NO_APP ret .Lfe2: .size _init,.Lfe2-_init -#APP - + .section .fini -#NO_APP .align 1 .globl _fini .type _fini,@function -#NO_APP ret .Lfe3: .size _fini,.Lfe3-_fini -#APP - .ident "GCC: (GNU) 2.95.2 19991024 (release) (Linux/VAX CVS)" diff --git a/libc/sysdeps/linux/vax/setjmp.S b/libc/sysdeps/linux/vax/setjmp.S index f81be9330..bdbde4b13 100644 --- a/libc/sysdeps/linux/vax/setjmp.S +++ b/libc/sysdeps/linux/vax/setjmp.S @@ -1,14 +1,19 @@ -# setjmp.S atp. Sept. 2001 -# save regs and info needed for a longjmp + +/* + * setjmp.S atp. Sept. 2001 + * Jan-Benedict Glaw 2006 + * + * Save regs and info needed for a longjmp + */ .globl __sigsetjmp .align 4 __sigsetjmp: - .word 0x0000 # we look after reg saving here - this must - # match longjmp - movl 0x4(%ap), %r0 # our scratch reg - # kenn would probably use movq here. :-) - movl %r1, 0x14(%r0) # save regs + .word 0x0000 /* We look after reg saving here - this */ + /* must match longjmp. */ + movl 0x4(%ap), %r0 /* Our scratch reg */ + /* kenn would probably use movq here. :-) */ + movl %r1, 0x14(%r0) /* save regs */ movl %r2, 0x18(%r0) movl %r3, 0x1c(%r0) movl %r4, 0x20(%r0) @@ -19,16 +24,16 @@ __sigsetjmp: movl %r9, 0x34(%r0) movl %r10, 0x38(%r0) movl %r11, 0x3c(%r0) - # now save our call frame - movl (%fp), (%r0) # condition handler (for VMS emulation) - movl 0x4(%fp), 0x4(%r0) # psw - movl 0x8(%fp), 0x8(%r0) # ap - movl 0xc(%fp), 0xc(%r0) # fp - movl 0x10(%fp), 0x10(%r0) # pc - # call the sigjmp save routine + /* Now save our call frame */ + movl (%fp), (%r0) /* Condition handler (for VMS emulation) */ + movl 0x4(%fp), 0x4(%r0) /* psw */ + movl 0x8(%fp), 0x8(%r0) /* ap */ + movl 0xc(%fp), 0xc(%r0) /* fp */ + movl 0x10(%fp), 0x10(%r0) /* pc */ + /* Call the sigjmp save routine */ pushl 8(%ap) pushl %r0 calls $2, __sigjmp_save - # done + /* Done */ ret -- cgit v1.2.3