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bsd-user: add stubbed out core dump support

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Add a stubbed-out version of the bsd-user fork's core dump support. This
allows elfload.c to be almost the same between what's upstream and
what's in qemu-project upstream w/o the burden of reviewing the core
dump support.

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Warner Losh 2021-08-06 14:20:16 -06:00 • committed by Warner Losh
parent 25fb5d383d
commit 0475f8fac5
3 changed files with 36 additions and 2 deletions
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6
bsd-user/qemu.h
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@ -51,6 +51,7 @@ extern enum BSDType bsd_type;
* kernel
*/
struct image_info {
abi_ulong load_bias;
abi_ulong load_addr;
abi_ulong start_code;
abi_ulong end_code;
@ -65,6 +66,9 @@ struct image_info {
abi_ulong entry;
abi_ulong code_offset;
abi_ulong data_offset;
abi_ulong arg_start;
abi_ulong arg_end;
uint32_t elf_flags;
};
#define MAX_SIGQUEUE_SIZE 1024
@ -132,6 +136,7 @@ struct bsd_binprm {
char **envp;
char *filename; /* (Given) Name of binary */
char *fullpath; /* Full path of binary */
int (*core_dump)(int, CPUArchState *);
};
void do_init_thread(struct target_pt_regs *regs, struct image_info *infop);
@ -145,6 +150,7 @@ int load_elf_binary(struct bsd_binprm *bprm, struct target_pt_regs *regs,
struct image_info *info);
int load_flt_binary(struct bsd_binprm *bprm, struct target_pt_regs *regs,
struct image_info *info);
int is_target_elf_binary(int fd);
abi_long memcpy_to_target(abi_ulong dest, const void *src,
unsigned long len);