diff options
Diffstat (limited to 'sysdeps')
28 files changed, 507 insertions, 177 deletions
diff --git a/sysdeps/mach/hurd/dl-cache.c b/sysdeps/mach/hurd/dl-cache.c index e7aca39aee..8b47cf073b 100644 --- a/sysdeps/mach/hurd/dl-cache.c +++ b/sysdeps/mach/hurd/dl-cache.c @@ -22,3 +22,8 @@ _dl_load_cache_lookup (const char *name) { return 0; } + +void +_dl_unload_cache (void) +{ +} diff --git a/sysdeps/sparc/sparc32/dl-machine.h b/sysdeps/sparc/sparc32/dl-machine.h index da15e94a69..e1fb2b68ce 100644 --- a/sysdeps/sparc/sparc32/dl-machine.h +++ b/sysdeps/sparc/sparc32/dl-machine.h @@ -101,14 +101,26 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile) { Elf32_Addr *plt; extern void _dl_runtime_resolve (Elf32_Word); + extern void _dl_runtime_profile (Elf32_Word); if (l->l_info[DT_JMPREL] && lazy) { + Elf32_Addr rfunc; + /* The entries for functions in the PLT have not yet been filled in. Their initial contents will arrange when called to set the high 22 bits of %g1 with an offset into the .rela.plt section and jump to the beginning of the PLT. */ plt = (Elf32_Addr *) (l->l_addr + l->l_info[DT_PLTGOT]->d_un.d_ptr); + if (! profile) + rfunc = (Elf32_Addr) &_dl_runtime_resolve; + else + { + rfunc = (Elf32_Addr) &_dl_runtime_profile; + + if (_dl_name_match_p (_dl_profile, l)) + _dl_profile_map = l; + } /* The beginning of the PLT does: @@ -123,8 +135,7 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile) plt[0] = OPCODE_SAVE_SP; /* Construct PC-relative word address. */ - plt[1] = OPCODE_CALL | (((Elf32_Addr) &_dl_runtime_resolve - - (Elf32_Addr) &plt[1]) >> 2); + plt[1] = OPCODE_CALL | ((rfunc - (Elf32_Addr) &plt[1]) >> 2); plt[2] = OPCODE_NOP; /* Fill call delay slot. */ plt[3] = (Elf32_Addr) l; } @@ -134,20 +145,36 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile) /* This code is used in dl-runtime.c to call the `fixup' function and then redirect to the address it returns. */ -#define ELF_MACHINE_RUNTIME_TRAMPOLINE asm ("\ - .globl _dl_runtime_resolve - .type _dl_runtime_resolve, @function -_dl_runtime_resolve: +#define TRAMPOLINE_TEMPLATE(tramp_name, fixup_name) \ + asm ( "\ + .text + .globl " #tramp_name " + .type " #tramp_name ", @function + .align 32 +" #tramp_name ": /* Set up the arguments to fixup -- %o0 = link_map out of plt0 - %o1 = offset of reloc entry */ + %o1 = offset of reloc entry + %o2 = return address */ ld [%o7 + 8], %o0 srl %g1, 10, %o1 - call fixup + mov %i7, %o2 + call " #fixup_name " sub %o1, 4*12, %o1 jmp %o0 restore - .size _dl_runtime_resolve, . - _dl_runtime_resolve"); + .size " #tramp_name ", . - " #tramp_name " + .previous") + +#ifndef PROF +#define ELF_MACHINE_RUNTIME_TRAMPOLINE \ + TRAMPOLINE_TEMPLATE (_dl_runtime_resolve, fixup); \ + TRAMPOLINE_TEMPLATE (_dl_runtime_profile, profile_fixup); +#else +#define ELF_MACHINE_RUNTIME_TRAMPOLINE \ + TRAMPOLINE_TEMPLATE (_dl_runtime_resolve, fixup); \ + TRAMPOLINE_TEMPLATE (_dl_runtime_profile, fixup); +#endif /* Nonzero iff TYPE should not be allowed to resolve to one of the main executable's symbols, as for a COPY reloc. */ @@ -171,9 +198,10 @@ _dl_runtime_resolve: its return value is the user program's entry point. */ #define RTLD_START __asm__ ("\ -.text - .globl _start - .type _start,@function + .text + .globl _start + .type _start, @function + .align 32 _start: /* Allocate space for functions to drop their arguments. */ sub %sp, 6*4, %sp @@ -181,8 +209,8 @@ _start: call _dl_start add %sp, 22*4, %o0 /* FALTHRU */ - .globl _dl_start_user - .type _dl_start_user,@function + .globl _dl_start_user + .type _dl_start_user, @function _dl_start_user: /* Load the PIC register. */ 1: call 2f @@ -191,6 +219,12 @@ _dl_start_user: add %l7, %o7, %l7 /* Save the user entry point address in %l0 */ mov %o0, %l0 + /* Store the highest stack address. */ + sethi %hi(__libc_stack_end), %g2 + or %g2, %lo(__libc_stack_end), %g2 + ld [%l7 + %g2], %l1 + add %sp, 6*4, %l2 + st %l2, [%l1] /* See if we were run as a command with the executable file name as an extra leading argument. If so, adjust the contents of the stack. */ sethi %hi(_dl_skip_args), %g2 @@ -230,7 +264,7 @@ _dl_start_user: st %i4, [%i1+4] bne 23b add %i1, 8, %i1 - /* Load _dl_main_searchlist to pass to _dl_init_next. */ + /* Load searchlist of the main object to pass to _dl_init_next. */ 3: sethi %hi(_dl_main_searchlist), %g1 or %g1, %lo(_dl_main_searchlist), %g1 ld [%l7+%g1], %l1 @@ -242,8 +276,7 @@ _dl_start_user: beq 5f nop jmpl %o0, %o7 - nop - ba,a 4b + sub %o7, 28, %o7 /* Clear the startup flag. */ 5: sethi %hi(_dl_starting_up), %g1 or %g1, %lo(_dl_starting_up), %g1 @@ -256,8 +289,8 @@ _dl_start_user: /* Jump to the user's entry point and deallocate the extra stack we got. */ jmp %l0 add %sp, 6*4, %sp - .size _dl_start_user,.-_dl_start_user -.previous"); + .size _dl_start_user, . - _dl_start_user + .previous"); static inline void elf_machine_fixup_plt (struct link_map *map, const Elf32_Rela *reloc, @@ -343,7 +376,10 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc, switch (ELF32_R_TYPE (reloc->r_info)) { case R_SPARC_COPY: -#ifndef RTLD_BOOTSTRAP + if (sym == NULL) + /* This can happen in trace mode if an object could not be + found. */ + break; if (sym->st_size > refsym->st_size || (_dl_verbose && sym->st_size < refsym->st_size)) { @@ -359,7 +395,6 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc, } memcpy (reloc_addr, (void *) value, MIN (sym->st_size, refsym->st_size)); -#endif break; case R_SPARC_GLOB_DAT: case R_SPARC_32: diff --git a/sysdeps/sparc/sparc64/addmul_1.S b/sysdeps/sparc/sparc64/addmul_1.S index 260481230f..6782db77df 100644 --- a/sysdeps/sparc/sparc64/addmul_1.S +++ b/sysdeps/sparc/sparc64/addmul_1.S @@ -32,7 +32,7 @@ ENTRY(__mpn_addmul_1) !#PROLOGUE# 0 - save %sp,-128,%sp + save %sp,-192,%sp !#PROLOGUE# 1 sub %g0,%i2,%o7 diff --git a/sysdeps/sparc/sparc64/dl-machine.h b/sysdeps/sparc/sparc64/dl-machine.h index 788e239779..33def6b455 100644 --- a/sysdeps/sparc/sparc64/dl-machine.h +++ b/sysdeps/sparc/sparc64/dl-machine.h @@ -21,19 +21,15 @@ #include <assert.h> #include <string.h> -#include <link.h> #include <sys/param.h> +#include <elf/ldsodefs.h> #include <sysdep.h> - -/* Translate a processor-specific dynamic tag to the index into l_info. */ -#define DT_SPARC(x) (DT_SPARC_##x - DT_LOPROC + DT_NUM) - /* Return nonzero iff E_MACHINE is compatible with the running host. */ static inline int elf_machine_matches_host (Elf64_Half e_machine) { - return e_machine == EM_SPARC64; + return e_machine == EM_SPARCV9; } /* Return the link-time address of _DYNAMIC. Conveniently, this is the @@ -42,12 +38,11 @@ elf_machine_matches_host (Elf64_Half e_machine) static inline Elf64_Addr elf_machine_dynamic (void) { - register Elf64_Addr elf_pic_register __asm__("%l7"); + register Elf64_Addr *elf_pic_register __asm__("%l7"); - return *(Elf64_Addr *)elf_pic_register; + return *elf_pic_register; } - /* Return the run-time load address of the shared object. */ static inline Elf64_Addr elf_machine_load_address (void) @@ -67,21 +62,92 @@ elf_machine_load_address (void) return pc - *(Elf64_Addr *)(elf_pic_register + la); } +/* We have 3 cases to handle. And we code different code sequences + for each one. I love V9 code models... */ static inline void elf_machine_fixup_plt(struct link_map *map, const Elf64_Rela *reloc, Elf64_Addr *reloc_addr, Elf64_Addr value) { - Elf64_Dyn *pltfmt = map->l_info[DT_SPARC(PLTFMT)]; - switch (pltfmt ? pltfmt->d_un.d_val : 0) + unsigned int *insns = (unsigned int *) reloc_addr; + Elf64_Addr plt_vaddr = (Elf64_Addr) reloc_addr; + + /* Now move plt_vaddr up to the call instruction. */ + plt_vaddr += (2 * 4); + + /* 32-bit Sparc style, the target is in the lower 32-bits of + address space. */ + if ((value >> 32) == 0) { - case 1: /* .got.plt with absolute addresses */ - *reloc_addr = value; - break; - case 2: /* .got.plt with got-relative addresses */ - *reloc_addr = value - (map->l_info[DT_PLTGOT]->d_un.d_ptr + map->l_addr); - break; - default: - assert (! "unexpected .plt format type"); + /* sethi %hi(target), %g1 + jmpl %g1 + %lo(target), %g0 */ + + insns[2] = 0x81c06000 | (value & 0x3ff); + __asm __volatile ("flush %0 + 8" : : "r" (insns)); + + insns[1] = 0x03000000 | ((unsigned int)(value >> 10)); + __asm __volatile ("flush %0 + 4" : : "r" (insns)); + } + /* We can also get somewhat simple sequences if the distance between + the target and the PLT entry is within +/- 2GB. */ + else if ((plt_vaddr > value + && ((plt_vaddr - value) >> 32) == 0) + || (value > plt_vaddr + && ((value - plt_vaddr) >> 32) == 0)) + { + unsigned int displacement; + + if (plt_vaddr > value) + displacement = (0 - (plt_vaddr - value)); + else + displacement = value - plt_vaddr; + + /* mov %o7, %g1 + call displacement + mov %g1, %o7 */ + + insns[3] = 0x9e100001; + __asm __volatile ("flush %0 + 12" : : "r" (insns)); + + insns[2] = 0x40000000 | (displacement >> 2); + __asm __volatile ("flush %0 + 8" : : "r" (insns)); + + insns[1] = 0x8210000f; + __asm __volatile ("flush %0 + 4" : : "r" (insns)); + } + /* Worst case, ho hum... */ + else + { + unsigned int high32 = (value >> 32); + unsigned int low32 = (unsigned int) value; + + /* ??? Some tricks can be stolen from the sparc64 egcs backend + constant formation code I wrote. -DaveM */ + + /* sethi %hh(value), %g1 + sethi %lm(value), %g2 + or %g1, %hl(value), %g1 + or %g2, %lo(value), %g2 + sllx %g1, 32, %g1 + jmpl %g1 + %g2, %g0 + nop */ + + insns[6] = 0x81c04002; + __asm __volatile ("flush %0 + 24" : : "r" (insns)); + + insns[5] = 0x83287020; + __asm __volatile ("flush %0 + 20" : : "r" (insns)); + + insns[4] = 0x8410a000 | (low32 & 0x3ff); + __asm __volatile ("flush %0 + 16" : : "r" (insns)); + + insns[3] = 0x82106000 | (high32 & 0x3ff); + __asm __volatile ("flush %0 + 12" : : "r" (insns)); + + insns[2] = 0x05000000 | (low32 >> 10); + __asm __volatile ("flush %0 + 8" : : "r" (insns)); + + insns[1] = 0x03000000 | (high32 >> 10); + __asm __volatile ("flush %0 + 4" : : "r" (insns)); } } @@ -119,7 +185,7 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc, #endif *reloc_addr = map->l_addr + reloc->r_addend; } - else + else if (ELF64_R_TYPE (reloc->r_info) != R_SPARC_NONE) /* Who is Wilbur? */ { const Elf64_Sym *const refsym = sym; Elf64_Addr value; @@ -137,6 +203,10 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc, switch (ELF64_R_TYPE (reloc->r_info)) { case R_SPARC_COPY: + if (sym == NULL) + /* This can happen in trace mode if an object could not be + found. */ + break; if (sym->st_size > refsym->st_size || (_dl_verbose && sym->st_size < refsym->st_size)) { @@ -164,6 +234,9 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc, case R_SPARC_16: *(short *) reloc_addr = value; break; + case R_SPARC_32: + *(unsigned int *) reloc_addr = value; + break; case R_SPARC_DISP8: *(char *) reloc_addr = (value - (Elf64_Addr) reloc_addr); break; @@ -171,27 +244,64 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc, *(short *) reloc_addr = (value - (Elf64_Addr) reloc_addr); break; case R_SPARC_DISP32: - *(unsigned int *)reloc_addr = (value - (Elf64_Addr) reloc_addr); - break; - case R_SPARC_LO10: - *(unsigned *)reloc_addr = (*(unsigned *)reloc_addr & ~0x3ff) - | (value & 0x3ff); + *(unsigned int *) reloc_addr = (value - (Elf64_Addr) reloc_addr); break; case R_SPARC_WDISP30: - *(unsigned *)reloc_addr = ((*(unsigned *)reloc_addr & 0xc0000000) - | ((value - (Elf64_Addr) reloc_addr) >> 2)); + *(unsigned int *) reloc_addr = + ((*(unsigned int *)reloc_addr & 0xc0000000) | + ((value - (Elf64_Addr) reloc_addr) >> 2)); + break; + + /* MEDLOW code model relocs */ + case R_SPARC_LO10: + *(unsigned int *) reloc_addr = + ((*(unsigned int *)reloc_addr & ~0x3ff) | + (value & 0x3ff)); break; case R_SPARC_HI22: - *(unsigned *)reloc_addr = (*(unsigned *)reloc_addr & 0xffc00000) - | (value >> 10); + *(unsigned int *) reloc_addr = + ((*(unsigned int *)reloc_addr & 0xffc00000) | + (value >> 10)); + break; + + /* MEDMID code model relocs */ + case R_SPARC_H44: + *(unsigned int *) reloc_addr = + ((*(unsigned int *)reloc_addr & 0xffc00000) | + (value >> 22)); + break; + case R_SPARC_M44: + *(unsigned int *) reloc_addr = + ((*(unsigned int *)reloc_addr & ~0x3ff) | + ((value >> 12) & 0x3ff)); + break; + case R_SPARC_L44: + *(unsigned int *) reloc_addr = + ((*(unsigned int *)reloc_addr & ~0xfff) | + (value & 0xfff)); + break; + + /* MEDANY code model relocs */ + case R_SPARC_HH22: + *(unsigned int *) reloc_addr = + ((*(unsigned int *)reloc_addr & 0xffc00000) | + (value >> 42)); + break; + case R_SPARC_HM10: + *(unsigned int *) reloc_addr = + ((*(unsigned int *)reloc_addr & ~0x3ff) | + ((value >> 32) & 0x3ff)); + break; + case R_SPARC_LM22: + *(unsigned int *) reloc_addr = + ((*(unsigned int *)reloc_addr & 0xffc00000) | + ((value >> 10) & 0x003fffff)); break; case R_SPARC_JMP_SLOT: elf_machine_fixup_plt(map, reloc, reloc_addr, value); break; - case R_SPARC_NONE: /* Alright, Wilbur. */ - break; default: assert (! "unexpected dynamic reloc type"); break; @@ -239,16 +349,63 @@ elf_machine_lazy_rel (Elf64_Addr l_addr, const Elf64_Rela *reloc) static inline int elf_machine_runtime_setup (struct link_map *l, int lazy, int profile) { - Elf64_Addr *got; - extern void _dl_runtime_resolve (void); - if (l->l_info[DT_JMPREL] && lazy) { - got = (Elf64_Addr *) (l->l_addr + l->l_info[DT_PLTGOT]->d_un.d_ptr); - /* This function will get called to fix up the GOT entry indicated by - the offset on the stack, and then jump to the resolved address. */ - got[1] = (Elf64_Addr) &_dl_runtime_resolve; - got[2] = (Elf64_Addr) l; /* Identify this shared object. */ + extern void _dl_runtime_resolve_0 (void); + extern void _dl_runtime_resolve_1 (void); + extern void _dl_runtime_profile_0 (void); + extern void _dl_runtime_profile_1 (void); + Elf64_Addr res0_addr, res1_addr; + unsigned int *plt = (unsigned int *) + (l->l_addr + l->l_info[DT_PLTGOT]->d_un.d_ptr); + + if (! profile) + { + res0_addr = (Elf64_Addr) &_dl_runtime_resolve_0; + res1_addr = (Elf64_Addr) &_dl_runtime_resolve_1; + } + else + { + res0_addr = (Elf64_Addr) &_dl_runtime_profile_0; + res1_addr = (Elf64_Addr) &_dl_runtime_profile_1; + if (_dl_name_match_p (_dl_profile, l)) + _dl_profile_map = l; + } + + /* PLT0 looks like: + + save %sp, -192, %sp + sethi %hh(_dl_runtime_{resolve,profile}_0), %g3 + sethi %lm(_dl_runtime_{resolve,profile}_0), %g4 + or %g3, %hm(_dl_runtime_{resolve,profile}_0), %g3 + or %g4, %lo(_dl_runtime_{resolve,profile}_0), %g4 + sllx %g3, 32, %g3 + jmpl %g3 + %g4, %o0 + nop + + PLT1 is similar except we jump to _dl_runtime_{resolve,profile}_1. */ + + plt[0] = 0x9de3bf40; + plt[1] = 0x07000000 | (res0_addr >> (64 - 22)); + plt[2] = 0x09000000 | ((res0_addr >> 10) & 0x003fffff); + plt[3] = 0x8610e000 | ((res0_addr >> 32) & 0x3ff); + plt[4] = 0x88112000 | (res0_addr & 0x3ff); + plt[5] = 0x8728f020; + plt[6] = 0x91c0c004; + plt[7] = 0x01000000; + + plt[8 + 0] = 0x9de3bf40; + plt[8 + 1] = 0x07000000 | (res1_addr >> (64 - 22)); + plt[8 + 2] = 0x09000000 | ((res1_addr >> 10) & 0x003fffff); + plt[8 + 3] = 0x8610e000 | ((res1_addr >> 32) & 0x3ff); + plt[8 + 4] = 0x88112000 | (res1_addr & 0x3ff); + plt[8 + 5] = 0x8728f020; + plt[8 + 6] = 0x91c0c004; + plt[8 + 7] = 0x01000000; + + /* Now put the magic cookie at the beginning of .PLT3 + Entry .PLT4 is unused by this implementation. */ + *((struct link_map **)(&plt[16 + 0])) = l; } return lazy; @@ -256,23 +413,68 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile) /* This code is used in dl-runtime.c to call the `fixup' function and then redirect to the address it returns. */ -#define ELF_MACHINE_RUNTIME_TRAMPOLINE asm ("\ - .globl _dl_runtime_resolve - .type _dl_runtime_resolve, @function -_dl_runtime_resolve: - save %sp, -160, %sp - mov %g1, %o0 - call fixup - mov %g2, %o1 - jmp %o0 +#define TRAMPOLINE_TEMPLATE(tramp_name, fixup_name) \ + asm ("\ + .text + .globl " #tramp_name "_0 + .type " #tramp_name "_0, @function + .align 32 +" #tramp_name "_0: + ldx [%o0 + 32 + 8], %l0 + sethi %hi(1048576), %g2 + sub %g1, %o0, %o0 + xor %g2, -20, %g2 + sethi %hi(5120), %g3 + add %o0, %g2, %o0 + sethi %hi(32768), %o2 + udivx %o0, %g3, %g3 + sllx %g3, 2, %g1 + add %g1, %g3, %g1 + sllx %g1, 10, %g2 + sllx %g1, 5, %g1 + sub %o0, %g2, %o0 + udivx %o0, 24, %o0 + add %o0, %o2, %o0 + add %g1, %o0, %g1 + sllx %g1, 1, %o1 + mov %l0, %o0 + add %o1, %g1, %o1 + mov %i7, %o2 + call " #fixup_name " + sllx %o1, 3, %o1 + jmp %o0 + restore + .size " #tramp_name "_0, . - " #tramp_name "_0 + + .globl " #tramp_name "_1 + .type " #tramp_name "_1, @function + .align 32 +" #tramp_name "_1: + srlx %g1, 15, %o1 + ldx [%o0 + 8], %o0 + sllx %o1, 1, %o3 + add %o1, %o3, %o1 + mov %i7, %o2 + call " #fixup_name " + sllx %o1, 3, %o1 + jmp %o0 restore - .size _dl_runtime_resolve, .-_dl_runtime_resolve -"); + .size " #tramp_name "_1, . - " #tramp_name "_1 + .previous"); + +#ifndef PROF +#define ELF_MACHINE_RUNTIME_TRAMPOLINE \ + TRAMPOLINE_TEMPLATE (_dl_runtime_resolve, fixup); \ + TRAMPOLINE_TEMPLATE (_dl_runtime_profile, profile_fixup); +#else +#define ELF_MACHINE_RUNTIME_TRAMPOLINE \ + TRAMPOLINE_TEMPLATE (_dl_runtime_resolve, fixup); \ + TRAMPOLINE_TEMPLATE (_dl_runtime_profile, fixup); +#endif /* The PLT uses Elf64_Rela relocs. */ #define elf_machine_relplt elf_machine_rela - /* Initial entry point code for the dynamic linker. The C function `_dl_start' is the real entry point; its return value is the user program's entry point. */ @@ -281,8 +483,10 @@ _dl_runtime_resolve: #define __S(x) __S1(x) #define RTLD_START __asm__ ( "\ - .global _start - .type _start, @function + .text + .global _start + .type _start, @function + .align 32 _start: /* Make room for functions to drop their arguments on the stack. */ sub %sp, 6*8, %sp @@ -292,8 +496,8 @@ _start: /* FALLTHRU */ .size _start, .-_start - .global _dl_start_user - .type _dl_start_user, @function + .global _dl_start_user + .type _dl_start_user, @function _dl_start_user: /* Load the GOT register. */ 1: call 11f @@ -302,6 +506,12 @@ _dl_start_user: add %l7,%o7,%l7 /* Save the user entry point address in %l0. */ mov %o0,%l0 + /* Store the highest stack address. */ + sethi %hi(__libc_stack_end), %g2 + or %g2, %lo(__libc_stack_end), %g2 + ldx [%l7 + %g2], %l1 + add %sp, 6*8, %l2 + stx %l2, [%l1] /* See if we were run as a command with the executable file name as an extra leading argument. If so, we must shift things around since we must keep the stack doubleword aligned. */ @@ -338,7 +548,7 @@ _dl_start_user: stx %i4, [%i1+8] brnz,pt %i3, 13b add %i1, 16, %i1 - /* Load _dl_main_searchlist to pass to _dl_init_next. */ + /* Load searchlist of the main object to pass to _dl_init_next. */ 2: sethi %hi(_dl_main_searchlist), %g2 or %g2, %lo(_dl_main_searchlist), %g2 ldx [%l7+%g2], %g2 @@ -349,8 +559,7 @@ _dl_start_user: brz,pn %o0, 4f nop jmpl %o0, %o7 - nop - ba,a 3b + sub %o7, 24, %o7 /* Clear the startup flag. */ 4: sethi %hi(_dl_starting_up), %g2 or %g2, %lo(_dl_starting_up), %g2 @@ -360,7 +569,8 @@ _dl_start_user: sethi %hi(_dl_fini), %g1 or %g1, %lo(_dl_fini), %g1 ldx [%l7+%g1], %g1 - /* Jump to the user's entry point & undo the allocation of the xtra regs. */ + /* Jump to the user's entry point and deallocate the extra stack we got. */ jmp %l0 add %sp, 6*8, %sp - .size _dl_start_user, .-_dl_start_user"); + .size _dl_start_user, . - _dl_start_user + .previous"); diff --git a/sysdeps/sparc/sparc64/elf/crtbegin.S b/sysdeps/sparc/sparc64/elf/crtbegin.S index 318e7a6a3f..c2fe01f6b0 100644 --- a/sysdeps/sparc/sparc64/elf/crtbegin.S +++ b/sysdeps/sparc/sparc64/elf/crtbegin.S @@ -40,7 +40,7 @@ __DTOR_LIST__: .align 4 .type __do_global_dtors_aux,#function __do_global_dtors_aux: - save %sp,-160,%sp + save %sp,-192,%sp #ifdef PIC 1: call 11f @@ -53,7 +53,6 @@ __do_global_dtors_aux: #else sethi %hi(__DTOR_LIST__), %l0 or %l0, %lo(__DTOR_LIST__), %l0 - add %l0, %g4, %l0 #endif ba 3f diff --git a/sysdeps/sparc/sparc64/elf/crtend.S b/sysdeps/sparc/sparc64/elf/crtend.S index 7a5c067b07..db0ac87ecd 100644 --- a/sysdeps/sparc/sparc64/elf/crtend.S +++ b/sysdeps/sparc/sparc64/elf/crtend.S @@ -40,7 +40,7 @@ __DTOR_END__: .align 4 .type __do_global_ctors_aux,#function __do_global_ctors_aux: - save %sp,-160,%sp + save %sp,-192,%sp #ifdef PIC 1: call 11f @@ -53,7 +53,6 @@ __do_global_ctors_aux: #else sethi %hi(__CTOR_END__), %l0 or %l0, %lo(__CTOR_END__), %l0 - add %l0, %g4, %l0 #endif ba 3f diff --git a/sysdeps/sparc/sparc64/elf/start.S b/sysdeps/sparc/sparc64/elf/start.S index 140cd366e5..1fc24619cf 100644 --- a/sysdeps/sparc/sparc64/elf/start.S +++ b/sysdeps/sparc/sparc64/elf/start.S @@ -38,24 +38,12 @@ _start: add %sp, STACK_BIAS+23*8, %o2 /* Load the addresses of the user entry points. */ - sethi %uhi(main), %o0 - sethi %uhi(_init), %o3 - sethi %uhi(_fini), %o4 - or %o0, %ulo(main), %o0 - or %o3, %ulo(_init), %o3 - or %o4, %ulo(_fini), %o4 - sethi %hi(main), %i0 - sethi %hi(_init), %i3 - sethi %hi(_fini), %i4 - sllx %o0, 32, %o0 - or %i0, %lo(main), %i0 - sllx %o3, 32, %o3 - or %i3, %lo(_init), %i3 - sllx %o4, 32, %o4 - or %i4, %lo(_fini), %i4 - or %o0, %i0, %o0 - or %o3, %i3, %o3 - or %o4, %i4, %o4 + sethi %hi(main), %o0 + sethi %hi(_init), %o3 + sethi %hi(_fini), %o4 + or %o0, %lo(main), %o0 + or %o3, %lo(_init), %o3 + or %o4, %lo(_fini), %o4 /* When starting a binary via the dynamic linker, %g1 contains the address of the shared library termination function, which will be diff --git a/sysdeps/sparc/sparc64/lshift.S b/sysdeps/sparc/sparc64/lshift.S index 1678991529..f211924ddb 100644 --- a/sysdeps/sparc/sparc64/lshift.S +++ b/sysdeps/sparc/sparc64/lshift.S @@ -28,7 +28,7 @@ cnt %i3 */ ENTRY(__mpn_lshift) - save %sp, -128, %sp + save %sp, -192, %sp sllx %i2,3,%g1 add %i1,%g1,%i1 ! make %i1 point at end of src diff --git a/sysdeps/sparc/sparc64/mul_1.S b/sysdeps/sparc/sparc64/mul_1.S index 87e441d7eb..757856b4cd 100644 --- a/sysdeps/sparc/sparc64/mul_1.S +++ b/sysdeps/sparc/sparc64/mul_1.S @@ -31,7 +31,7 @@ ENTRY(__mpn_mul_1) !#PROLOGUE# 0 - save %sp,-128,%sp + save %sp,-192,%sp !#PROLOGUE# 1 sub %g0,%i2,%o7 diff --git a/sysdeps/sparc/sparc64/rshift.S b/sysdeps/sparc/sparc64/rshift.S index e1b3aca112..51eb4af3ab 100644 --- a/sysdeps/sparc/sparc64/rshift.S +++ b/sysdeps/sparc/sparc64/rshift.S @@ -28,7 +28,7 @@ cnt %i3 */ ENTRY(__mpn_rshift) - save %sp, -128, %sp + save %sp, -192, %sp ldx [%i1],%g2 ! load first limb sub %g0,%i3,%i5 ! negate shift count diff --git a/sysdeps/sparc/sparc64/submul_1.S b/sysdeps/sparc/sparc64/submul_1.S index 3cc0e3bb08..ce9a80464f 100644 --- a/sysdeps/sparc/sparc64/submul_1.S +++ b/sysdeps/sparc/sparc64/submul_1.S @@ -31,7 +31,7 @@ ENTRY(__mpn_submul_1) !#PROLOGUE# 0 - save %sp,-128,%sp + save %sp,-192,%sp !#PROLOGUE# 1 sub %g0,%i2,%o7 diff --git a/sysdeps/unix/sysv/linux/sparc/bits/sigaction.h b/sysdeps/unix/sysv/linux/sparc/bits/sigaction.h index 1858ef4857..3e4e855915 100644 --- a/sysdeps/unix/sysv/linux/sparc/bits/sigaction.h +++ b/sysdeps/unix/sysv/linux/sparc/bits/sigaction.h @@ -40,6 +40,8 @@ struct sigaction /* Bits in `sa_flags'. */ #define SA_NOCLDSTOP 0x00000008 /* Don't send SIGCHLD when children stop. */ +#define SA_SIGINFO 0x00000200 /* Invoke signal-catching function with + three arguments instead of one. */ #ifdef __USE_MISC # define SA_STACK 0x00000001 /* Use signal stack by using `sa_restorer'. */ # define SA_RESTART 0x00000002 /* Restart syscall on signal return. */ diff --git a/sysdeps/unix/sysv/linux/sparc/bits/signum.h b/sysdeps/unix/sysv/linux/sparc/bits/signum.h index fae3826023..976eef2758 100644 --- a/sysdeps/unix/sysv/linux/sparc/bits/signum.h +++ b/sysdeps/unix/sysv/linux/sparc/bits/signum.h @@ -32,8 +32,6 @@ * Linux/SPARC has different signal numbers that Linux/i386: I'm trying * to make it OSF/1 binary compatible, at least for normal binaries. */ -#define _NSIG 32 /* Biggest signal number + 1. */ - #define SIGHUP 1 #define SIGINT 2 #define SIGQUIT 3 @@ -70,4 +68,15 @@ #define SIGUSR1 30 #define SIGUSR2 31 +#define _NSIG 64 /* Biggest signal number + 1 + (including real-time signals). */ + +#define SIGRTMIN (__libc_current_sigrtmin ()) +#define SIGRTMAX (__libc_current_sigrtmax ()) + +/* These are the hard limits of the kernel. These values should not be + used directly at user level. */ +#define __SIGRTMIN 32 +#define __SIGRTMAX (_NSIG - 1) + #endif /* <signal.h> included. */ diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/brk.c b/sysdeps/unix/sysv/linux/sparc/sparc32/brk.c index 7e784cab8f..4d38631a19 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/brk.c +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/brk.c @@ -33,7 +33,7 @@ weak_alias (__curbrk, ___brk_addr) int __brk (void *addr) { - void *newbrk, *scratch; + void *newbrk; { register void *o0 __asm__("%o0") = addr; diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c b/sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c index 742ac5583c..ae44328fad 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c @@ -23,6 +23,13 @@ #include <errno.h> #include <kernel_sigaction.h> +extern int __syscall_rt_sigaction (int, const struct kernel_sigaction *, + struct kernel_sigaction *, unsigned long, + size_t); + +static void __rt_sigreturn_stub (void); +static void __sigreturn_stub (void); + /* The variable is shared between all wrappers around signal handling functions which have RT equivalents. */ int __libc_missing_rt_sigs; @@ -30,8 +37,49 @@ int __libc_missing_rt_sigs; int __sigaction (int sig, __const struct sigaction *act, struct sigaction *oact) { + struct old_kernel_sigaction k_sigact, k_osigact; int ret; - struct kernel_sigaction k_sigact, k_osigact; + + /* First try the RT signals. */ + if (!__libc_missing_rt_sigs) + { + struct kernel_sigaction kact, koact; + unsigned long stub = 0; + int saved_errno = errno; + + if (act) + { + kact.k_sa_handler = act->sa_handler; + memcpy (&kact.sa_mask, &act->sa_mask, sizeof (sigset_t)); + if (((kact.sa_flags = act->sa_flags) & SA_SIGINFO) != 0) + stub = (unsigned long) &__rt_sigreturn_stub; + else + stub = (unsigned long) &__sigreturn_stub; + stub -= 8; + kact.sa_restorer = NULL; + } + + /* XXX The size argument hopefully will have to be changed to the + real size of the user-level sigset_t. */ + ret = __syscall_rt_sigaction (sig, act ? &kact : 0, + oact ? &koact : 0, + stub, _NSIG / 8); + + if (ret >= 0 || errno != ENOSYS) + { + if (oact && ret >= 0) + { + oact->sa_handler = koact.k_sa_handler; + memcpy (&oact->sa_mask, &koact.sa_mask, sizeof (sigset_t)); + oact->sa_flags = koact.sa_flags; + oact->sa_restorer = koact.sa_restorer; + } + return ret; + } + + __set_errno (saved_errno); + __libc_missing_rt_sigs = 1; + } /* Magic to tell the kernel we are using "new-style" signals, in that the signal table is not kept in userspace. Not the same as the @@ -41,15 +89,16 @@ __sigaction (int sig, __const struct sigaction *act, struct sigaction *oact) if (act) { k_sigact.k_sa_handler = act->sa_handler; - memcpy (&k_sigact.sa_mask, &act->sa_mask, sizeof (sigset_t)); + k_sigact.sa_mask = act->sa_mask.__val[0]; k_sigact.sa_flags = act->sa_flags; + k_sigact.sa_restorer = NULL; } { register int r_syscallnr __asm__("%g1") = __NR_sigaction; register int r_sig __asm__("%o0") = sig; - register struct kernel_sigaction *r_act __asm__("%o1"); - register struct kernel_sigaction *r_oact __asm__("%o2"); + register struct old_kernel_sigaction *r_act __asm__("%o1"); + register struct old_kernel_sigaction *r_oact __asm__("%o2"); r_act = act ? &k_sigact : NULL; r_oact = oact ? &k_osigact : NULL; @@ -57,7 +106,7 @@ __sigaction (int sig, __const struct sigaction *act, struct sigaction *oact) __asm__ __volatile__("t 0x10\n\t" "bcc 1f\n\t" " nop\n\t" - " sub %%g0,%%o0,%%o0\n" + "sub %%g0,%%o0,%%o0\n" "1:" : "=r"(r_sig) : "r"(r_syscallnr), "r"(r_act), "r"(r_oact), @@ -66,16 +115,13 @@ __sigaction (int sig, __const struct sigaction *act, struct sigaction *oact) ret = r_sig; } - if (ret >= 0) + if (oact && ret >= 0) { - if (oact) - { - oact->sa_handler = k_osigact.k_sa_handler; - memcpy (&oact->sa_mask, &k_osigact.sa_mask, sizeof (sigset_t)); - oact->sa_flags = k_osigact.sa_flags; - oact->sa_restorer = NULL; - } - return 0; + oact->sa_handler = k_osigact.k_sa_handler; + oact->sa_mask.__val[0] = k_osigact.sa_mask; + oact->sa_flags = k_osigact.sa_flags; + oact->sa_restorer = NULL; + return ret; } __set_errno (-ret); @@ -83,3 +129,21 @@ __sigaction (int sig, __const struct sigaction *act, struct sigaction *oact) } weak_alias (__sigaction, sigaction); + +static void +__rt_sigreturn_stub (void) +{ + __asm__ ("mov %0, %%g1\n\t" + "ta 0x10\n\t" + : /* no outputs */ + : "i" (__NR_rt_sigreturn)); +} + +static void +__sigreturn_stub (void) +{ + __asm__ ("mov %0, %%g1\n\t" + "ta 0x10\n\t" + : /* no outputs */ + : "i" (__NR_sigreturn)); +} diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/Dist b/sysdeps/unix/sysv/linux/sparc/sparc64/Dist index 50f83311cd..c22b73ebd2 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/Dist +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/Dist @@ -4,5 +4,4 @@ kernel_stat.h getcontext.S setcontext.S sizes.h -ucontext.h init-first.h diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/bits/setjmp.h b/sysdeps/unix/sysv/linux/sparc/sparc64/bits/setjmp.h index b200b718d2..e51f81a5a0 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/bits/setjmp.h +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/bits/setjmp.h @@ -21,6 +21,11 @@ # error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead." #endif -#include <ucontext.h> +#include <sys/ucontext.h> typedef ucontext_t __jmp_buf[1]; + +/* Test if longjmp to JMPBUF would unwind the frame + containing a local variable at ADDRESS. */ +#define _JMPBUF_UNWINDS(jmpbuf, address) \ + ((unsigned long int) (address) < (jmpbuf)->uc_mcontext.mc_fp) diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/bits/statfs.h b/sysdeps/unix/sysv/linux/sparc/sparc64/bits/statfs.h index 9027eca2ac..b6178f5a8e 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/bits/statfs.h +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/bits/statfs.h @@ -39,4 +39,20 @@ struct statfs long int f_spare[6]; }; +/* We already use 64-bit types in the normal structure, + so this is the same as the above. */ +struct statfs64 + { + long int f_type; + long int f_bsize; + long int f_blocks; + long int f_bfree; + long int f_bavail; + long int f_files; + long int f_ffree; + __fsid_t f_fsid; + long int f_namelen; + long int f_spare[6]; + }; + #endif /* bits/statfs.h */ diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/brk.S b/sysdeps/unix/sysv/linux/sparc/sparc64/brk.S index 333f9916f8..e21b60d637 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/brk.S +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/brk.S @@ -38,7 +38,7 @@ __curbrk: .skip 8 .text ENTRY(__brk) - save %sp, -160, %sp + save %sp, -192, %sp #ifdef PIC 1: call 2f sethi %hi(_GLOBAL_OFFSET_TABLE_-(1b-.)), %l7 @@ -49,24 +49,23 @@ ENTRY(__brk) LOADSYSCALL(brk) mov %i0, %o0 - ta 0x11 + ta 0x6d /* All the ways we can fail... */ bcs,pn %xcc, .Lerr1 nop - brz %i0, .Lok + brz,pt %i0, .Lok subcc %i0, %o0, %g0 bne,pn %xcc, .Lerr0 + nop /* Update __curbrk and return cleanly. */ .Lok: sethi %hi(__curbrk), %g1 or %g1, %lo(__curbrk), %g1 #ifdef PIC ldx [%l7+%g1], %g1 - stx %o0, [%g1] -#else - stx %o0, [%g4+%g1] #endif + stx %o0, [%g1] mov %g0, %i0 /* Don't use "ret" cause the preprocessor will eat it. */ @@ -81,10 +80,8 @@ ENTRY(__brk) or %g1, %lo(errno), %g1 #ifdef PIC ldx [%l7+%g1], %g1 - st %o0, [%g1] -#else - st %o0, [%g4+%g1] #endif + st %o0, [%g1] #else call __errno_location mov %o0,%l1 diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S b/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S index 6c619fcdc3..d7506b7c72 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S @@ -30,7 +30,7 @@ .type __clone,@function __clone: - save %sp,-160,%sp + save %sp, -192, %sp /* sanity check arguments */ brz,pn %i0, 99f @@ -42,10 +42,10 @@ __clone: mov %i1, %o1 mov %i2, %o0 set __NR_clone, %g1 - ta 0x11 + ta 0x6d bcs,pn %xcc, 99f nop - brnz %o0, __thread_start + brnz,pn %o0, __thread_start mov %o0, %i0 ret restore @@ -62,7 +62,6 @@ __clone: st %i0, [%l7+%g2] #else sethi %hi(errno), %g2 - add %g2, %g4, %g2 set EINVAL, %i0 st %i0, [%g2+%lo(errno)] #endif diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/init-first.h b/sysdeps/unix/sysv/linux/sparc/sparc64/init-first.h index 955714dc4f..ece284ab44 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/init-first.h +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/init-first.h @@ -33,7 +33,7 @@ .global " #NAME " .type " #NAME ",@function " #NAME ": - save %sp, -128, %sp + save %sp, -192, %sp 1: call 11f sethi %hi(_GLOBAL_OFFSET_TABLE_-(1b-.)), %l7 11: or %l7, %lo(_GLOBAL_OFFSET_TABLE_-(1b-.)), %l7 @@ -73,11 +73,10 @@ or %g2, %lo(_dl_starting_up), %g2 brz,pt %g2, 3f sethi %hi(__libc_multiple_libcs), %g3 - ld [%g4+%g2], %g1 + ld [%g2], %g1 mov %g0, %g2 movrz %g1, 1, %g2 -3: or %g3, %lo(__libc_multiple_libcs), %g3 - st %g2, [%g3+%g4] +3: st %g2, [%g3 + %lo(__libc_multiple_libcs)] /* If so, argc et al are in %o0-%o2 already. Otherwise, load them. */ brnz,pn %g2, " #INIT " nop diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/longjmp.S b/sysdeps/unix/sysv/linux/sparc/sparc64/longjmp.S index d63762cb15..963aa6d89d 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/longjmp.S +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/longjmp.S @@ -44,5 +44,7 @@ ENTRY(longjmp) END(longjmp) strong_alias(longjmp, __longjmp) +strong_alias(longjmp, __libc_longjmp) +strong_alias(longjmp, __libc_siglongjmp) weak_alias(longjmp, _longjmp) weak_alias(longjmp, siglongjmp) diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S b/sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S index 82ff4eae3c..38a6f8f8b8 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S @@ -22,7 +22,7 @@ ENTRY (__libc_pipe) mov %o0, %o2 /* Save PIPEDES. */ LOADSYSCALL(pipe) - ta 0x11 + ta 0x6d bcc,pn %xcc, 2f nop SYSCALL_ERROR_HANDLER diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/readdir.c b/sysdeps/unix/sysv/linux/sparc/sparc64/readdir.c index 96a6a76945..300ebb2629 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/readdir.c +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/readdir.c @@ -1,4 +1,7 @@ #define readdir64 __no_readdir64_decl +#define __readdir64 __no___readdir64_decl #include <sysdeps/unix/readdir.c> +#undef __readdir64 +strong_alias (__readdir, __readdir64) #undef readdir64 weak_alias (__readdir, readdir64) diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/ucontext.h b/sysdeps/unix/sysv/linux/sparc/sparc64/sys/ucontext.h index 160e2fc43a..f62b542b2f 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/ucontext.h +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/sys/ucontext.h @@ -1,5 +1,5 @@ -#ifndef _UCONTEXT_H -#define _UCONTEXT_H +#ifndef _SYS_UCONTEXT_H +#define _SYS_UCONTEXT_H #include <signal.h> @@ -64,4 +64,4 @@ struct ucontext { }; typedef struct ucontext ucontext_t; -#endif /* ucontext.h */ +#endif /* sys/ucontext.h */ diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/syscall.S b/sysdeps/unix/sysv/linux/sparc/sparc64/syscall.S index 30dace5903..5864bfcbc3 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/syscall.S +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/syscall.S @@ -28,7 +28,7 @@ ENTRY (syscall) mov %o4,%o3 mov %o5,%o4 - ta 0x11 + ta 0x6d bcc,pt %xcc,1f nop diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list b/sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list index fcf556b818..1ec42fa42e 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list @@ -6,7 +6,7 @@ pread - pread 4 __pread pread __pread64 pread64 pwrite - pwrite 4 __pwrite pwrite __pwrite64 pwrite64 fstatfs - fstatfs 2 __fstatfs fstatfs fstatfs64 statfs - statfs 2 __statfs statfs statfs64 -getrlimit - getrlimit 2 getrlimit getrlimit64 +getrlimit - getrlimit 2 __getrlimit getrlimit getrlimit64 setrlimit - setrlimit 2 setrlimit setrlimit64 ftruncate - ftruncate 2 __ftruncate ftruncate ftruncate64 truncate - truncate 2 truncate truncate64 diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h b/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h index 2cc8547c1a..5a9a4e249b 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h @@ -46,49 +46,48 @@ #ifdef PIC # ifdef _LIBC_REENTRANT # define SYSCALL_ERROR_HANDLER \ - save %sp,-160,%sp; \ - call __errno_location; \ + save %sp, -192, %sp; \ + call __errno_location; \ nop; \ - st %i0,[%o0]; \ - sub %g0,1,%i0; \ - jmpl %i7+8, %g0; \ + st %i0,[%o0]; \ + sub %g0,1,%i0; \ + jmpl %i7+8, %g0; \ restore # else # define SYSCALL_ERROR_HANDLER \ .global C_SYMBOL_NAME(errno); \ .type C_SYMBOL_NAME(errno),@object; \ - mov %o7,%g3; \ - 101: call 102f; \ - sethi %hi(_GLOBAL_OFFSET_TABLE_-(101b-.)),%g2; \ - 102: or %g2,%lo(_GLOBAL_OFFSET_TABLE_-(101b-.)),%g2; \ - sethi %hi(errno),%o1; \ - add %g2,%o7,%l7; \ - or %o1,%lo(errno),%o1; \ - mov %g3,%o7; \ - ldx [%l7+%o1],%g2; \ - st %o0,[%g2]; \ + mov %o7, %g3; \ + 101: call 102f; \ + sethi %hi(_GLOBAL_OFFSET_TABLE_-(101b-.)), %g2; \ + 102: or %g2,%lo(_GLOBAL_OFFSET_TABLE_-(101b-.)), %g2; \ + sethi %hi(errno), %o1; \ + add %g2, %o7, %l7; \ + or %o1, %lo(errno), %o1; \ + mov %g3,%o7; \ + ldx [%l7+%o1], %g2; \ + st %o0, [%g2]; \ retl; \ - sub %g0,1,%i0 + sub %g0, 1, %i0 # endif #else # ifdef _LIBC_REENTRANT # define SYSCALL_ERROR_HANDLER \ - save %sp,-160,%sp; \ - call __errno_location; \ + save %sp, -192, %sp; \ + call __errno_location; \ nop; \ - st %i0,[%o0]; \ - sub %g0,1,%i0; \ - jmpl %i7+8, %g0; \ + st %i0, [%o0]; \ + sub %g0, 1, %i0; \ + jmpl %i7+8, %g0; \ restore # else # define SYSCALL_ERROR_HANDLER \ .global C_SYMBOL_NAME(errno); \ .type C_SYMBOL_NAME(errno),@object; \ - sethi %hi(errno),%g1; \ - or %g1,%lo(errno),%g1; \ - st %i0,[%g1+%g4]; \ + sethi %hi(errno), %g1; \ + st %i0, [%g1 + %lo(errno)]; \ retl; \ - sub %g0,1,%i0 + sub %g0, 1, %i0 # endif #endif @@ -96,8 +95,8 @@ .text; \ ENTRY(name); \ LOADSYSCALL(syscall_name); \ - ta 0x11; \ - bcc,pt %xcc,1f; \ + ta 0x6d; \ + bcc,pt %xcc, 1f; \ nop; \ SYSCALL_ERROR_HANDLER; \ 1: |