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synced 2025-07-29 11:41:21 +03:00
Update.
* elf/dl-load.c: Fix typo in comment. Add a few more __builtin_expect.
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@ -902,12 +902,14 @@ _dl_map_object_from_fd (const char *name, int fd, struct filebuf *fbp,
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case PT_LOAD:
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/* A load command tells us to map in part of the file.
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We record the load commands and process them all later. */
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if ((ph->p_align & (GL(dl_pagesize) - 1)) != 0)
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if (__builtin_expect ((ph->p_align & (GL(dl_pagesize) - 1)) != 0,
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0))
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{
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errstring = N_("ELF load command alignment not page-aligned");
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goto call_lose;
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}
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if (((ph->p_vaddr - ph->p_offset) & (ph->p_align - 1)) != 0)
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if (__builtin_expect (((ph->p_vaddr - ph->p_offset)
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& (ph->p_align - 1)) != 0, 0))
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{
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errstring
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= N_("ELF load command address/offset not properly aligned");
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@ -988,7 +990,7 @@ _dl_map_object_from_fd (const char *name, int fd, struct filebuf *fbp,
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l->l_map_start = (ElfW(Addr)) __mmap ((void *) mappref, maplength,
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c->prot, MAP_COPY | MAP_FILE,
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fd, c->mapoff);
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if ((void *) l->l_map_start == MAP_FAILED)
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if (__builtin_expect ((void *) l->l_map_start == MAP_FAILED, 0))
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{
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map_error:
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errstring = N_("failed to map segment from shared object");
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@ -1068,8 +1070,13 @@ _dl_map_object_from_fd (const char *name, int fd, struct filebuf *fbp,
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if ((c->prot & PROT_WRITE) == 0)
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{
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/* Dag nab it. */
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if (__mprotect ((caddr_t) (zero & ~(GL(dl_pagesize) - 1)),
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GL(dl_pagesize), c->prot|PROT_WRITE) < 0)
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if (__builtin_expect (__mprotect ((caddr_t)
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(zero
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& ~(GL(dl_pagesize)
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- 1)),
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GL(dl_pagesize),
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c->prot|PROT_WRITE) < 0,
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0))
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{
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errstring = N_("cannot change memory protections");
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goto call_lose_errno;
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@ -1088,7 +1095,7 @@ _dl_map_object_from_fd (const char *name, int fd, struct filebuf *fbp,
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mapat = __mmap ((caddr_t) zeropage, zeroend - zeropage,
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c->prot, MAP_ANON|MAP_PRIVATE|MAP_FIXED,
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ANONFD, 0);
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if (mapat == MAP_FAILED)
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if (__builtin_expect (mapat == MAP_FAILED, 0))
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{
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errstring = N_("cannot map zero-fill pages");
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goto call_lose_errno;
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@ -1137,7 +1144,7 @@ _dl_map_object_from_fd (const char *name, int fd, struct filebuf *fbp,
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if (l->l_ld == 0)
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{
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if (type == ET_DYN)
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if (__builtin_expect (type == ET_DYN, 0))
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{
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errstring = N_("object file has no dynamic section");
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goto call_lose;
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@ -1811,7 +1818,7 @@ _dl_map_object (struct link_map *loader, const char *name, int preloaded,
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fd = open_path (name, namelen, preloaded, &rtld_search_dirs,
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&realname, &fb);
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/* Add another newline when we a tracing the library loading. */
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/* Add another newline when we are tracing the library loading. */
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if (__builtin_expect (GL(dl_debug_mask) & DL_DEBUG_LIBS, 0))
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INTUSE(_dl_debug_printf) ("\n");
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}
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