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linux-user: ARM-FDPIC: Add support of FDPIC for ARM.

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Add FDPIC info into image_info structure since interpreter info is on
stack and needs to be saved to be accessed later on.

Co-Authored-By:  Mickaël Guêné <mickael.guene@st.com>
Signed-off-by: Christophe Lyon <christophe.lyon@st.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20180430080404.7323-4-christophe.lyon@st.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Christophe Lyon 2018-04-30 10:03:43 +02:00 • committed by Laurent Vivier
parent cf58affecc
commit 3cb10cfafd
2 changed files with 38 additions and 0 deletions
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9
linux-user/qemu.h
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@ -57,6 +57,8 @@ struct image_info {
uint16_t nsegs;
void *loadsegs;
abi_ulong pt_dynamic_addr;
abi_ulong interpreter_loadmap_addr;
abi_ulong interpreter_pt_dynamic_addr;
struct image_info *other_info;
};
@ -183,6 +185,13 @@ int loader_exec(int fdexec, const char *filename, char **argv, char **envp,
struct target_pt_regs * regs, struct image_info *infop,
struct linux_binprm *);
/* Returns true if the image uses the FDPIC ABI. If this is the case,
* we have to provide some information (loadmap, pt_dynamic_info) such
* that the program can be relocated adequately. This is also useful
* when handling signals.
*/
int info_is_fdpic(struct image_info *info);
uint32_t get_elf_eflags(int fd);
int load_elf_binary(struct linux_binprm *bprm, struct image_info *info);
int load_flt_binary(struct linux_binprm *bprm, struct image_info *info);