aout: switch to dump_emit (43a5d548) · Commits · e / devices / android_kernel_xiaomi_nabu

arch/x86/ia32/ia32_aout.c

+8 −12

Original line number	Diff line number	Diff line
		@@ -133,14 +133,6 @@ static void set_brk(unsigned long start, unsigned long end)

		#include <linux/coredump.h>

		#define DUMP_WRITE(addr, nr) \
		if (!dump_write(cprm->file, (void *)(addr), (nr))) \
		goto end_coredump;

		#define DUMP_SEEK(offset) \
		if (!dump_seek(cprm->file, offset)) \
		goto end_coredump;

		#define START_DATA(u) (u.u_tsize << PAGE_SHIFT)
		#define START_STACK(u) (u.start_stack)

		@@ -192,22 +184,26 @@ static int aout_core_dump(struct coredump_params *cprm)

		set_fs(KERNEL_DS);
		/* struct user */
		DUMP_WRITE(&dump, sizeof(dump));
		if (!dump_emit(cprm, &dump, sizeof(dump)))
		goto end_coredump;
		/* Now dump all of the user data. Include malloced stuff as well */
		DUMP_SEEK(PAGE_SIZE - sizeof(dump));
		if (!dump_seek(cprm->file, PAGE_SIZE - sizeof(dump)))
		goto end_coredump;
		/* now we start writing out the user space info */
		set_fs(USER_DS);
		/* Dump the data area */
		if (dump.u_dsize != 0) {
		dump_start = START_DATA(dump);
		dump_size = dump.u_dsize << PAGE_SHIFT;
		DUMP_WRITE(dump_start, dump_size);
		if (!dump_emit(cprm, (void *)dump_start, dump_size))
		goto end_coredump;
		}
		/* Now prepare to dump the stack area */
		if (dump.u_ssize != 0) {
		dump_start = START_STACK(dump);
		dump_size = dump.u_ssize << PAGE_SHIFT;
		DUMP_WRITE(dump_start, dump_size);
		if (!dump_emit(cprm, (void *)dump_start, dump_size))
		goto end_coredump;
		}
		end_coredump:
		set_fs(fs);

+3 −4

Original line number	Diff line number	Diff line
		@@ -45,7 +45,6 @@ static int load_aout_library(struct file*);
		*/
		static int aout_core_dump(struct coredump_params *cprm)
		{
		struct file *file = cprm->file;
		mm_segment_t fs;
		int has_dumped = 0;
		void __user *dump_start;
		@@ -85,7 +84,7 @@ static int aout_core_dump(struct coredump_params *cprm)

		set_fs(KERNEL_DS);
		/* struct user */
		if (!dump_write(file, &dump, sizeof(dump)))
		if (!dump_emit(cprm, &dump, sizeof(dump)))
		goto end_coredump;
		/* Now dump all of the user data. Include malloced stuff as well */
		if (!dump_seek(cprm->file, PAGE_SIZE - sizeof(dump)))
		@@ -96,14 +95,14 @@ static int aout_core_dump(struct coredump_params *cprm)
		if (dump.u_dsize != 0) {
		dump_start = START_DATA(dump);
		dump_size = dump.u_dsize << PAGE_SHIFT;
		if (!dump_write(file, dump_start, dump_size))
		if (!dump_emit(cprm, dump_start, dump_size))
		goto end_coredump;
		}
		/* Now prepare to dump the stack area */
		if (dump.u_ssize != 0) {
		dump_start = START_STACK(dump);
		dump_size = dump.u_ssize << PAGE_SHIFT;
		if (!dump_write(file, dump_start, dump_size))
		if (!dump_emit(cprm, dump_start, dump_size))
		goto end_coredump;
		}
		end_coredump: