diff options
Diffstat (limited to 'repo/system/musl/handle-aux-at_base.patch')
| -rw-r--r-- | repo/system/musl/handle-aux-at_base.patch | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/repo/system/musl/handle-aux-at_base.patch b/repo/system/musl/handle-aux-at_base.patch new file mode 100644 index 0000000..7c9f2dc --- /dev/null +++ b/repo/system/musl/handle-aux-at_base.patch @@ -0,0 +1,46 @@ +This is required to make the gcompat ELF interpreter stub work with some +packed binaries. + +diff --git a/src/env/__init_tls.c b/src/env/__init_tls.c +index b125eb1..616c6a6 100644 +--- a/src/env/__init_tls.c ++++ b/src/env/__init_tls.c +@@ -66,8 +66,10 @@ void *__copy_tls(unsigned char *mem) + } + + #if ULONG_MAX == 0xffffffff ++typedef Elf32_Ehdr Ehdr; + typedef Elf32_Phdr Phdr; + #else ++typedef Elf64_Ehdr Ehdr; + typedef Elf64_Phdr Phdr; + #endif + +@@ -77,15 +79,23 @@ extern const size_t _DYNAMIC[]; + static void static_init_tls(size_t *aux) + { + unsigned char *p; +- size_t n; ++ size_t n, e; + Phdr *phdr, *tls_phdr=0; + size_t base = 0; + void *mem; + +- for (p=(void *)aux[AT_PHDR],n=aux[AT_PHNUM]; n; n--,p+=aux[AT_PHENT]) { ++ if (aux[AT_BASE]) { ++ Ehdr *ehdr = (void *)aux[AT_BASE]; ++ p = (unsigned char *)aux[AT_BASE] + ehdr->e_phoff; ++ n = ehdr->e_phnum; ++ e = ehdr->e_phentsize; ++ } else { ++ p = (void *)aux[AT_PHDR]; ++ n = aux[AT_PHNUM]; ++ e = aux[AT_PHENT]; ++ } ++ for (; n; n--, p+=e) { + phdr = (void *)p; +- if (phdr->p_type == PT_PHDR) +- base = aux[AT_PHDR] - phdr->p_vaddr; + if (phdr->p_type == PT_DYNAMIC && _DYNAMIC) + base = (size_t)_DYNAMIC - phdr->p_vaddr; + if (phdr->p_type == PT_TLS) |