ftrace/trivial: Clean up record mcount to use Linux switch style (e90b0c8b) · Commits · 戴 / test

scripts/recordmcount.c

+22 −21

Original line number	Diff line number	Diff line
		@@ -264,27 +264,27 @@ do_file(char const *const fname)
		w8 = w8nat;
		switch (ehdr->e_ident[EI_DATA]) {
		static unsigned int const endian = 1;
		default: {
		default:
		fprintf(stderr, "unrecognized ELF data encoding %d: %s\n",
		ehdr->e_ident[EI_DATA], fname);
		fail_file();
		} break;
		case ELFDATA2LSB: {
		break;
		case ELFDATA2LSB:
		if ((unsigned char const )&endian != 1) {
		/* main() is big endian, file.o is little endian. */
		w = w4rev;
		w2 = w2rev;
		w8 = w8rev;
		}
		} break;
		case ELFDATA2MSB: {
		break;
		case ELFDATA2MSB:
		if ((unsigned char const )&endian != 0) {
		/* main() is little endian, file.o is big endian. */
		w = w4rev;
		w2 = w2rev;
		w8 = w8rev;
		}
		} break;
		break;
		} /* end switch */
		if (memcmp(ELFMAG, ehdr->e_ident, SELFMAG) != 0
		\|\| w2(ehdr->e_type) != ET_REL
		@@ -295,11 +295,11 @@ do_file(char const *const fname)

		gpfx = 0;
		switch (w2(ehdr->e_machine)) {
		default: {
		default:
		fprintf(stderr, "unrecognized e_machine %d %s\n",
		w2(ehdr->e_machine), fname);
		fail_file();
		} break;
		break;
		case EM_386: reltype = R_386_32; break;
		case EM_ARM: reltype = R_ARM_ABS32;
		altmcount = "__gnu_mcount_nc";
		@@ -315,12 +315,12 @@ do_file(char const *const fname)
		} /* end switch */

		switch (ehdr->e_ident[EI_CLASS]) {
		default: {
		default:
		fprintf(stderr, "unrecognized ELF class %d %s\n",
		ehdr->e_ident[EI_CLASS], fname);
		fail_file();
		} break;
		case ELFCLASS32: {
		break;
		case ELFCLASS32:
		if (w2(ehdr->e_ehsize) != sizeof(Elf32_Ehdr)
		\|\| w2(ehdr->e_shentsize) != sizeof(Elf32_Shdr)) {
		fprintf(stderr,
		@@ -334,7 +334,7 @@ do_file(char const *const fname)
		is_fake_mcount32 = MIPS32_is_fake_mcount;
		}
		do32(ehdr, fname, reltype);
		} break;
		break;
		case ELFCLASS64: {
		Elf64_Ehdr const ghdr = (Elf64_Ehdr )ehdr;
		if (w2(ghdr->e_ehsize) != sizeof(Elf64_Ehdr)
		@@ -352,7 +352,8 @@ do_file(char const *const fname)
		is_fake_mcount64 = MIPS64_is_fake_mcount;
		}
		do64(ghdr, fname, reltype);
		} break;
		break;
		}
		} /* end switch */

		cleanup();
		@@ -386,23 +387,23 @@ main(int argc, char const *argv[])
		continue;

		switch (sjval) {
		default: {
		default:
		fprintf(stderr, "internal error: %s\n", argv[0]);
		exit(1);
		} break;
		case SJ_SETJMP: { /* normal sequence */
		break;
		case SJ_SETJMP: /* normal sequence */
		/* Avoid problems if early cleanup() */
		fd_map = -1;
		ehdr_curr = NULL;
		mmap_failed = 1;
		do_file(argv[0]);
		} break;
		case SJ_FAIL: { /* error in do_file or below */
		break;
		case SJ_FAIL: /* error in do_file or below */
		++n_error;
		} break;
		case SJ_SUCCEED: { /* premature success */
		break;
		case SJ_SUCCEED: /* premature success */
		/* do nothing */
		} break;
		break;
		} /* end switch */
		}
		return !!n_error;

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