diff options
Diffstat (limited to 'libexec/ld.so/sparc64/ldasm.S')
| -rw-r--r-- | libexec/ld.so/sparc64/ldasm.S | 43 |
1 files changed, 27 insertions, 16 deletions
diff --git a/libexec/ld.so/sparc64/ldasm.S b/libexec/ld.so/sparc64/ldasm.S index 67148b06b67..f86f4b2a312 100644 --- a/libexec/ld.so/sparc64/ldasm.S +++ b/libexec/ld.so/sparc64/ldasm.S @@ -1,4 +1,4 @@ -/* $OpenBSD: ldasm.S,v 1.1 2001/09/21 14:52:45 jason Exp $ */ +/* $OpenBSD: ldasm.S,v 1.2 2001/09/23 00:14:56 drahn Exp $ */ /* $NetBSD: rtld_start.S,v 1.5 2001/08/14 22:17:48 eeh Exp $ */ /* @@ -131,21 +131,21 @@ _dl_start: * We have two separate entry points to the runtime linker. * I'm implementing this following the SPARC v9 ABI spec. * - * _rtld_bind_start_0(x, y) is called from .PLT0, and is used for + * _dl_bind_start_0(x, y) is called from .PLT0, and is used for * PLT entries above 32768. * - * _rtld_bind_start_1(x, y) is called from .PLT1, and is used for + * _dl_bind_start_1(x, y) is called from .PLT1, and is used for * PLT entries below 32768. * * The first two entries of PLT2 contain the xword object pointer. * * These routines are called with two longword arguments, * x and y. To calculate the address of the entry, - * _rtld_bind_start_1(x, y) does: + * _dl_bind_start_1(x, y) does: * * n = x >> 15; * - * and _rtld_bind_start_0(x, y) does: + * and _dl_bind_start_0(x, y) does: * * i = x - y + 1048596; * n = 32768 + (i/5120)*160 + (i%5120)/24; @@ -154,15 +154,15 @@ _dl_start: * done in the PLT entry. */ - /* NOTE: _rtld_bind_start_0 is untested. Hence the debug stuff */ + /* NOTE: _dl_bind_start_0 is untested. Hence the debug stuff */ .section ".text" .align 4 - .global _rtld_bind_start_0 - .type _rtld_bind_start_0,@function -_rtld_bind_start_0: # (x, y) + .global _dl_bind_start_0 + .type _dl_bind_start_0,@function +_dl_bind_start_0: # (x, y) #if 0 - call _rtld_bind_start_0_stub + call _dl_bind_start_0_stub ldx [%o1 + (10*4)], %l7 mov %o0, %l5 @@ -170,7 +170,7 @@ _rtld_bind_start_0: # (x, y) add %l6, %l5, %l5 /* is 3 longwords or 24 bytes. */ sllx %l5, 3, %o1 /* So multiply by 24. */ - call _rtld_bind + call _dl_bind mov %l7, %o0 #else sethi %hi(1048596), %l1 @@ -198,7 +198,7 @@ _rtld_bind_start_0: # (x, y) add %l6, %l5, %l5 /* is 3 longwords or 24 bytes. */ sllx %l5, 3, %l5 /* So multiply by 24. */ - call _rtld_bind /* Call _rtld_bind(obj, offset) */ + call _dl_bind /* Call _dl_bind(obj, offset) */ mov %l5, %o1 jmp %o0 /* return value == function address */ @@ -207,9 +207,9 @@ _rtld_bind_start_0: # (x, y) .section ".text" .align 4 - .global _rtld_bind_start_1 - .type _rtld_bind_start_1,@function -_rtld_bind_start_1: # (x, y) + .global _dl_bind_start_1 + .type _dl_bind_start_1,@function +_dl_bind_start_1: # (x, y) srax %o0, 15, %o2 /* %o0 is the index to our PLT slot */ sllx %o2, 1, %o3 /* Each element is an Elf_Rela which */ @@ -218,7 +218,7 @@ _rtld_bind_start_1: # (x, y) ldx [%o1 + 8], %o0 /* The object pointer is at [%o1 + 8] */ - call _rtld_bind /* Call _rtld_bind(obj, offset) */ + call _dl_bind /* Call _dl_bind(obj, offset) */ mov %o2, %o1 jmp %o0 /* return value == function address */ @@ -308,6 +308,17 @@ _dl_mmap: retl sub %g0, %o0, %o0 ! error: result = -errno + .section ".text" + .align 4 + .global _dl_munmap + .type _dl_munmap,@function +_dl_munmap: + mov SYS_munmap | SYSCALL_G2RFLAG, %g1 ! calling sys_mmap + add %o7, 8, %g2 ! just return on sucess + t ST_SYSCALL ! off to wonderland + retl + sub %g0, %o0, %o0 ! error: result = -errno + .section ".text" .align 4 |