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envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::635; envelope-from=jcmvbkbc@gmail.com; helo=mail-pl1-x635.google.com X-Spam_score_int: -5 X-Spam_score: -0.6 X-Spam_bar: / X-Spam_report: (-0.6 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, FROM_LOCAL_NOVOWEL=0.5, HK_RANDOM_ENVFROM=0.001, HK_RANDOM_FROM=0.999, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1675577652310100003 Content-Type: text/plain; charset="utf-8" Define xtensa-specific info_is_fdpic and fill in FDPIC-specific registers in the xtensa version of init_thread. Signed-off-by: Max Filippov --- include/elf.h | 1 + linux-user/elfload.c | 16 +++++++++++++++- 2 files changed, 16 insertions(+), 1 deletion(-) diff --git a/include/elf.h b/include/elf.h index 8bf1e72720d5..e8bfe38a9fbd 100644 --- a/include/elf.h +++ b/include/elf.h @@ -1619,6 +1619,7 @@ typedef struct elf64_shdr { #define ELFOSABI_MODESTO 11 /* Novell Modesto. */ #define ELFOSABI_OPENBSD 12 /* OpenBSD. */ #define ELFOSABI_ARM_FDPIC 65 /* ARM FDPIC */ +#define ELFOSABI_XTENSA_FDPIC 65 /* Xtensa FDPIC */ #define ELFOSABI_ARM 97 /* ARM */ #define ELFOSABI_STANDALONE 255 /* Standalone (embedded) applicati= on */ =20 diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 5928c14dfc97..150d1d450396 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -1748,6 +1748,15 @@ static inline void init_thread(struct target_pt_regs= *regs, regs->windowstart =3D 1; regs->areg[1] =3D infop->start_stack; regs->pc =3D infop->entry; + if (info_is_fdpic(infop)) { + regs->areg[4] =3D infop->loadmap_addr; + regs->areg[5] =3D infop->interpreter_loadmap_addr; + if (infop->interpreter_loadmap_addr) { + regs->areg[6] =3D infop->interpreter_pt_dynamic_addr; + } else { + regs->areg[6] =3D infop->pt_dynamic_addr; + } + } } =20 /* See linux kernel: arch/xtensa/include/asm/elf.h. */ @@ -2207,11 +2216,16 @@ static void zero_bss(abi_ulong elf_bss, abi_ulong l= ast_bss, int prot) } } =20 -#ifdef TARGET_ARM +#if defined(TARGET_ARM) static int elf_is_fdpic(struct elfhdr *exec) { return exec->e_ident[EI_OSABI] =3D=3D ELFOSABI_ARM_FDPIC; } +#elif defined(TARGET_XTENSA) +static int elf_is_fdpic(struct elfhdr *exec) +{ + return exec->e_ident[EI_OSABI] =3D=3D ELFOSABI_XTENSA_FDPIC; +} #else /* Default implementation, always false. */ static int elf_is_fdpic(struct elfhdr *exec) --=20 2.30.2