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55 lines
2.0 KiB
55 lines
2.0 KiB
commit 458733fffe2c410418b5f633ffd6ed65efd2aac0 |
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Author: Florian Weimer <fweimer@redhat.com> |
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Date: Thu Feb 3 10:58:59 2022 +0100 |
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Linux: Remove DL_FIND_ARG_COMPONENTS |
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The generic definition is always used since the Native Client |
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port has been removed. |
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Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org> |
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(cherry picked from commit 2d47fa68628e831a692cba8fc9050cef435afc5e) |
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diff --git a/sysdeps/unix/sysv/linux/dl-sysdep.c b/sysdeps/unix/sysv/linux/dl-sysdep.c |
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index aae983777ba15fae..e36b3e6b63b1aa7e 100644 |
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--- a/sysdeps/unix/sysv/linux/dl-sysdep.c |
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+++ b/sysdeps/unix/sysv/linux/dl-sysdep.c |
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@@ -59,19 +59,6 @@ void *__libc_stack_end attribute_relro = NULL; |
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rtld_hidden_data_def(__libc_stack_end) |
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void *_dl_random attribute_relro = NULL; |
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-#ifndef DL_FIND_ARG_COMPONENTS |
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-# define DL_FIND_ARG_COMPONENTS(cookie, argc, argv, envp, auxp) \ |
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- do { \ |
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- void **_tmp; \ |
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- (argc) = *(long int *) cookie; \ |
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- (argv) = (char **) ((long int *) cookie + 1); \ |
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- (envp) = (argv) + (argc) + 1; \ |
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- for (_tmp = (void **) (envp); *_tmp; ++_tmp) \ |
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- continue; \ |
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- (auxp) = (void *) ++_tmp; \ |
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- } while (0) |
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-#endif |
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- |
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#ifndef DL_STACK_END |
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# define DL_STACK_END(cookie) ((void *) (cookie)) |
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#endif |
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@@ -90,8 +77,16 @@ _dl_sysdep_start (void **start_argptr, |
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#endif |
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__libc_stack_end = DL_STACK_END (start_argptr); |
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- DL_FIND_ARG_COMPONENTS (start_argptr, _dl_argc, _dl_argv, _environ, |
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- GLRO(dl_auxv)); |
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+ _dl_argc = (intptr_t) *start_argptr; |
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+ _dl_argv = (char **) (start_argptr + 1); /* Necessary aliasing violation. */ |
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+ _environ = _dl_argv + _dl_argc + 1; |
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+ for (char **tmp = _environ + 1; ; ++tmp) |
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+ if (*tmp == NULL) |
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+ { |
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+ /* Another necessary aliasing violation. */ |
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+ GLRO(dl_auxv) = (ElfW(auxv_t) *) (tmp + 1); |
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+ break; |
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+ } |
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user_entry = (ElfW(Addr)) ENTRY_POINT; |
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GLRO(dl_platform) = NULL; /* Default to nothing known about the platform. */
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