diff options
Diffstat (limited to 'meta/recipes-devtools/nasm/nasm/0002-Add-debug-prefix-map-option.patch')
| -rw-r--r-- | meta/recipes-devtools/nasm/nasm/0002-Add-debug-prefix-map-option.patch | 294 |
1 files changed, 294 insertions, 0 deletions
diff --git a/meta/recipes-devtools/nasm/nasm/0002-Add-debug-prefix-map-option.patch b/meta/recipes-devtools/nasm/nasm/0002-Add-debug-prefix-map-option.patch new file mode 100644 index 0000000000..9f4c8dc0bd --- /dev/null +++ b/meta/recipes-devtools/nasm/nasm/0002-Add-debug-prefix-map-option.patch @@ -0,0 +1,294 @@ +From 81d6519499dcfebe7d21e65e002a8885a4e8d852 Mon Sep 17 00:00:00 2001 +From: Joshua Watt <JPEWhacker@gmail.com> +Date: Tue, 19 Nov 2019 13:12:17 -0600 +Subject: [PATCH] Add --debug-prefix-map option + +Adds an option to remap file prefixes in output object files. This is +analogous to the "-fdebug-prefix-map" option in GCC, and allows files to +be built in a reproducible manner regardless of the build directory. + +Upstream-Status: Submitted [https://bugzilla.nasm.us/show_bug.cgi?id=3392635] +Signed-off-by: Joshua Watt <JPEWhacker@gmail.com> + +--- + asm/nasm.c | 24 ++++++++++++++++++++++++ + include/nasmlib.h | 9 +++++++++ + nasm.txt | 4 ++++ + nasmlib/filename.c | 20 ++++++++++++++++++++ + output/outas86.c | 4 +++- + output/outcoff.c | 4 ++-- + output/outelf.c | 2 +- + output/outieee.c | 2 +- + output/outobj.c | 2 +- + stdlib/strlcat.c | 2 +- + test/elfdebugprefix.asm | 6 ++++++ + test/performtest.pl | 12 ++++++++++-- + 12 files changed, 82 insertions(+), 9 deletions(-) + create mode 100644 test/elfdebugprefix.asm + +diff --git a/asm/nasm.c b/asm/nasm.c +index e5ae89a..7a7f8b4 100644 +--- a/asm/nasm.c ++++ b/asm/nasm.c +@@ -939,6 +939,7 @@ enum text_options { + OPT_KEEP_ALL, + OPT_NO_LINE, + OPT_DEBUG, ++ OPT_DEBUG_PREFIX_MAP, + OPT_REPRODUCIBLE + }; + enum need_arg { +@@ -971,6 +972,7 @@ static const struct textargs textopts[] = { + {"keep-all", OPT_KEEP_ALL, ARG_NO, 0}, + {"no-line", OPT_NO_LINE, ARG_NO, 0}, + {"debug", OPT_DEBUG, ARG_MAYBE, 0}, ++ {"debug-prefix-map", OPT_DEBUG_PREFIX_MAP, true, 0}, + {"reproducible", OPT_REPRODUCIBLE, ARG_NO, 0}, + {NULL, OPT_BOGUS, ARG_NO, 0} + }; +@@ -1337,6 +1339,26 @@ static bool process_arg(char *p, char *q, int pass) + case OPT_REPRODUCIBLE: + reproducible = true; + break; ++ case OPT_DEBUG_PREFIX_MAP: { ++ struct debug_prefix_list *d; ++ char *c; ++ c = strchr(param, '='); ++ ++ if (!c) { ++ nasm_error(ERR_NONFATAL | ERR_NOFILE | ERR_USAGE, ++ "option `--%s' must be of the form `BASE=DEST'", p); ++ break; ++ } ++ ++ *c = '\0'; ++ d = nasm_malloc(sizeof(*d)); ++ d->next = debug_prefixes; ++ d->base = nasm_strdup(param); ++ d->dest = nasm_strdup(c + 1); ++ debug_prefixes = d; ++ *c = '='; ++ } ++ break; + case OPT_HELP: + help(stdout); + exit(0); +@@ -2304,6 +2326,8 @@ static void help(FILE *out) + " -w-x disable warning x (also -Wno-x)\n" + " -w[+-]error promote all warnings to errors (also -Werror)\n" + " -w[+-]error=x promote warning x to errors (also -Werror=x)\n" ++ " --debug-prefix-map base=dest\n" ++ " remap paths starting with 'base' to 'dest' in output files\n" + , out); + + fprintf(out, " %-20s %s\n", +diff --git a/include/nasmlib.h b/include/nasmlib.h +index 438178d..4c3e90d 100644 +--- a/include/nasmlib.h ++++ b/include/nasmlib.h +@@ -250,10 +250,19 @@ int64_t readstrnum(char *str, int length, bool *warn); + */ + int32_t seg_alloc(void); + ++struct debug_prefix_list { ++ struct debug_prefix_list *next; ++ char *base; ++ char *dest; ++}; ++ ++extern struct debug_prefix_list *debug_prefixes; ++ + /* + * Add/replace or remove an extension to the end of a filename + */ + const char *filename_set_extension(const char *inname, const char *extension); ++char *filename_debug_remap(char *dest, char const *inname, size_t len); + + /* + * Utility macros... +diff --git a/nasm.txt b/nasm.txt +index cc7fa27..d3485c9 100644 +--- a/nasm.txt ++++ b/nasm.txt +@@ -147,6 +147,10 @@ OPTIONS + Prepend or append (respectively) the given argument to all global or + extern variables. + ++--debug-prefix-map 'BASE=DEST':: ++ Map file names beginning with 'BASE' to 'DEST' when encoding them in ++ output object files. ++ + SYNTAX + ------ + This man page does not fully describe the syntax of *nasm*'s assembly language, +diff --git a/nasmlib/filename.c b/nasmlib/filename.c +index 172ae0b..fda2be4 100644 +--- a/nasmlib/filename.c ++++ b/nasmlib/filename.c +@@ -39,6 +39,8 @@ + #include "nasmlib.h" + #include "error.h" + ++struct debug_prefix_list *debug_prefixes = NULL; ++ + /* + * Add/modify a filename extension, assumed to be a period-delimited + * field at the very end of the filename. Returns a newly allocated +@@ -61,3 +63,21 @@ const char *filename_set_extension(const char *inname, const char *extension) + + return p; + } ++ ++char *filename_debug_remap(char *dest, char const *in, size_t len) ++{ ++ struct debug_prefix_list *d; ++ size_t n; ++ ++ for (d = debug_prefixes; d != NULL; d = d->next) { ++ n = strlen(d->base); ++ if (strncmp(in, d->base, n) == 0) { ++ strlcpy(dest, d->dest, len); ++ strlcat(dest, &in[n], len); ++ return dest; ++ } ++ } ++ ++ strlcpy(dest, in, len); ++ return dest; ++} +diff --git a/output/outas86.c b/output/outas86.c +index 54b22f8..c4a412c 100644 +--- a/output/outas86.c ++++ b/output/outas86.c +@@ -110,6 +110,8 @@ static void as86_sect_write(struct Section *, const uint8_t *, + + static void as86_init(void) + { ++ char filename[FILENAME_MAX]; ++ + stext.data = saa_init(1L); + stext.datalen = 0L; + stext.head = stext.last = NULL; +@@ -131,7 +133,7 @@ static void as86_init(void) + strslen = 0; + + /* as86 module name = input file minus extension */ +- as86_add_string(filename_set_extension(inname, "")); ++ as86_add_string(filename_debug_remap(filename, filename_set_extension(inname, ""), sizeof(filename))); + } + + static void as86_cleanup(void) +diff --git a/output/outcoff.c b/output/outcoff.c +index 58fa024..14baf7b 100644 +--- a/output/outcoff.c ++++ b/output/outcoff.c +@@ -1072,14 +1072,14 @@ static void coff_symbol(char *name, int32_t strpos, int32_t value, + + static void coff_write_symbols(void) + { +- char filename[18]; ++ char filename[19]; + uint32_t i; + + /* + * The `.file' record, and the file name auxiliary record. + */ + coff_symbol(".file", 0L, 0L, -2, 0, 0x67, 1); +- strncpy(filename, inname, 18); ++ filename_debug_remap(filename, inname, 19); + nasm_write(filename, 18, ofile); + + /* +diff --git a/output/outelf.c b/output/outelf.c +index 61af020..1292958 100644 +--- a/output/outelf.c ++++ b/output/outelf.c +@@ -553,7 +553,7 @@ static void elf_init(void) + }; + const char * const *p; + +- strlcpy(elf_module, inname, sizeof(elf_module)); ++ filename_debug_remap(elf_module, inname, sizeof(elf_module)); + sects = NULL; + nsects = sectlen = 0; + syms = saa_init((int32_t)sizeof(struct elf_symbol)); +diff --git a/output/outieee.c b/output/outieee.c +index 6d6d4b2..cdb8333 100644 +--- a/output/outieee.c ++++ b/output/outieee.c +@@ -207,7 +207,7 @@ static void ieee_unqualified_name(char *, char *); + */ + static void ieee_init(void) + { +- strlcpy(ieee_infile, inname, sizeof(ieee_infile)); ++ filename_debug_remap(ieee_infile, inname, sizeof(ieee_infile)); + any_segs = false; + fpubhead = NULL; + fpubtail = &fpubhead; +diff --git a/output/outobj.c b/output/outobj.c +index 56b43f9..fefea94 100644 +--- a/output/outobj.c ++++ b/output/outobj.c +@@ -644,7 +644,7 @@ static enum directive_result obj_directive(enum directive, char *); + + static void obj_init(void) + { +- strlcpy(obj_infile, inname, sizeof(obj_infile)); ++ filename_debug_remap(obj_infile, inname, sizeof(obj_infile)); + first_seg = seg_alloc(); + any_segs = false; + fpubhead = NULL; +diff --git a/stdlib/strlcat.c b/stdlib/strlcat.c +index 7084d46..ee93dea 100644 +--- a/stdlib/strlcat.c ++++ b/stdlib/strlcat.c +@@ -29,7 +29,7 @@ size_t strlcat(char *dest, const char *src, size_t size) + size_t n; + + /* find the NULL terminator in dest */ +- for (n = 0; i < size && dest[n] != '\0'; n++) ++ for (n = 0; n < size && dest[n] != '\0'; n++) + ; + + /* destination was not NULL terminated. Return the initial size */ +diff --git a/test/elfdebugprefix.asm b/test/elfdebugprefix.asm +new file mode 100644 +index 0000000..a67ba29 +--- /dev/null ++++ b/test/elfdebugprefix.asm +@@ -0,0 +1,6 @@ ++;Testname=unoptimized; Arguments=-O0 --debug-prefix-map elf=ELF -felf -oelfdebugprefix.o; Files=stdout stderr elfdebugprefix.o; Validate=readelf --wide --symbols elfdebugprefix.o | grep 'FILE.*ELFdebugprefix.asm' ++ ++ SECTION .text ++test: ; [1] ++ ret ++ +diff --git a/test/performtest.pl b/test/performtest.pl +index f7865b3..096f960 100755 +--- a/test/performtest.pl ++++ b/test/performtest.pl +@@ -42,14 +42,22 @@ sub perform { + TEST: + while(<TESTFILE>) { + #See if there is a test case +- last unless /Testname=(.*);\s*Arguments=(.*);\s*Files=(.*)/; +- my ($subname, $arguments, $files) = ($1, $2, $3); ++ last unless /Testname=(.*);\s*Arguments=(.*);\s*Files=([^;]*)(?:;\s*Validate=(.*))?/; ++ my ($subname, $arguments, $files, $validate) = ($1, $2, $3, $4); ++ chomp $files; + debugprint("$subname | $arguments | $files"); + + #Call nasm with this test case + system("$nasm $arguments $testpath > $stdoutfile 2> $stderrfile"); + debugprint("$nasm $arguments $testpath > $stdoutfile 2> $stderrfile ----> $?"); + ++ if($validate) { ++ if(system("$validate >> $stdoutfile 2>> $stderrfile") != 0) { ++ print "Test $testname/$subname validation failed\n"; ++ $globalresult = 1; ++ } ++ } ++ + #Move the output to the test dir + mkpath("$outputdir/$testname/$subname"); + foreach(split / /,$files) { |