mirror of git://git.musl-libc.org/musl
fix crashes in x32 __tls_get_addr
x32 has another gratuitous difference to all other archs: it passes an array of 64bit values to __tls_get_addr(). usually it is an array of size_t.
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@ -10,3 +10,5 @@ static inline struct pthread *__pthread_self()
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#define MC_PC gregs[REG_RIP]
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#define CANARY canary2
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#define tls_mod_off_t unsigned long long
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@ -1257,7 +1257,7 @@ void __init_tls(size_t *auxv)
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}
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__attribute__((__visibility__("hidden")))
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void *__tls_get_new(size_t *v)
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void *__tls_get_new(tls_mod_off_t *v)
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{
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pthread_t self = __pthread_self();
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@ -1769,7 +1769,7 @@ static void *addr2dso(size_t a)
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return 0;
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}
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void *__tls_get_addr(size_t *);
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void *__tls_get_addr(tls_mod_off_t *);
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static void *do_dlsym(struct dso *p, const char *s, void *ra)
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{
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@ -1787,7 +1787,7 @@ static void *do_dlsym(struct dso *p, const char *s, void *ra)
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struct symdef def = find_sym(p, s, 0);
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if (!def.sym) goto failed;
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if ((def.sym->st_info&0xf) == STT_TLS)
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return __tls_get_addr((size_t []){def.dso->tls_id, def.sym->st_value});
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return __tls_get_addr((tls_mod_off_t []){def.dso->tls_id, def.sym->st_value});
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if (DL_FDPIC && (def.sym->st_info&0xf) == STT_FUNC)
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return def.dso->funcdescs + (def.sym - def.dso->syms);
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return laddr(def.dso, def.sym->st_value);
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@ -1802,7 +1802,7 @@ static void *do_dlsym(struct dso *p, const char *s, void *ra)
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sym = sysv_lookup(s, h, p);
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}
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if (sym && (sym->st_info&0xf) == STT_TLS)
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return __tls_get_addr((size_t []){p->tls_id, sym->st_value});
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return __tls_get_addr((tls_mod_off_t []){p->tls_id, sym->st_value});
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if (DL_FDPIC && sym && sym->st_shndx && (sym->st_info&0xf) == STT_FUNC)
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return p->funcdescs + (sym - p->syms);
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if (sym && sym->st_value && (1<<(sym->st_info&0xf) & OK_TYPES))
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@ -1816,7 +1816,7 @@ static void *do_dlsym(struct dso *p, const char *s, void *ra)
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sym = sysv_lookup(s, h, p->deps[i]);
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}
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if (sym && (sym->st_info&0xf) == STT_TLS)
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return __tls_get_addr((size_t []){p->deps[i]->tls_id, sym->st_value});
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return __tls_get_addr((tls_mod_off_t []){p->deps[i]->tls_id, sym->st_value});
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if (DL_FDPIC && sym && sym->st_shndx && (sym->st_info&0xf) == STT_FUNC)
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return p->deps[i]->funcdescs + (sym - p->deps[i]->syms);
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if (sym && sym->st_value && (1<<(sym->st_info&0xf) & OK_TYPES))
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@ -97,6 +97,10 @@ struct __timer {
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#define DTP_OFFSET 0
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#endif
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#ifndef tls_mod_off_t
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#define tls_mod_off_t size_t
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#endif
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#define SIGTIMER 32
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#define SIGCANCEL 33
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#define SIGSYNCCALL 34
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@ -3,9 +3,9 @@
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#include "libc.h"
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__attribute__((__visibility__("hidden")))
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void *__tls_get_new(size_t *);
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void *__tls_get_new(tls_mod_off_t *);
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void *__tls_get_addr(size_t *v)
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void *__tls_get_addr(tls_mod_off_t *v)
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{
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pthread_t self = __pthread_self();
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if (v[0]<=(size_t)self->dtv[0])
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