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| author | Zack Weinberg <zack@wolery.cumb.org> | 2000-09-11 05:44:51 +0000 |
|---|---|---|
| committer | Zack Weinberg <zack@gcc.gnu.org> | 2000-09-11 05:44:51 +0000 |
| commit | 8f820299e3a349d39429bfe64bcbf22593369bf4 (patch) | |
| tree | 140d683aaf2a58cbce1b0d42cae3e952ee21331c /gcc | |
| parent | 4337bc937caa26789f01e16d3eaa7ddd72c9558a (diff) | |
| download | gcc-8f820299e3a349d39429bfe64bcbf22593369bf4.zip gcc-8f820299e3a349d39429bfe64bcbf22593369bf4.tar.gz gcc-8f820299e3a349d39429bfe64bcbf22593369bf4.tar.bz2 | |
varasm.c (make_decl_rtl): Restore leading star on DECL_ASSEMBLER_NAME set for decls with an asmspec.
* varasm.c (make_decl_rtl): Restore leading star on
DECL_ASSEMBLER_NAME set for decls with an asmspec.
* gcc.dg/asm-names.c: New test.
From-SVN: r36309
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/asm-names.c | 23 | ||||
| -rw-r--r-- | gcc/varasm.c | 10 |
4 files changed, 40 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5f7a72a..f4164e5 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2000-09-10 Zack Weinberg <zack@wolery.cumb.org> + * varasm.c (make_decl_rtl): Restore leading star on + DECL_ASSEMBLER_NAME set for decls with an asmspec. + +2000-09-10 Zack Weinberg <zack@wolery.cumb.org> + * c-pragma.c (handle_pragma_pack): Correct parsing logic so it won't give a spurious error for '#pragma pack()'. Simplify control flow for readability. 'reset' action is not necessary. diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 830af37..73b4889 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2000-09-10 Zack Weinberg <zack@wolery.cumb.org> + + * gcc.dg/asm-names.c: New test. + 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> * gcc.dg/cpp/tr-warn6.c: New test diff --git a/gcc/testsuite/gcc.dg/asm-names.c b/gcc/testsuite/gcc.dg/asm-names.c new file mode 100644 index 0000000..f02f08f --- /dev/null +++ b/gcc/testsuite/gcc.dg/asm-names.c @@ -0,0 +1,23 @@ +/* The name specified by an asm("...") suffix on a declaration is not + to have an underscore prefixed, even if normal symbols are. + Problem reported by Krister Walfridsson <cato@df.lth.se>. */ + +/* { dg-do link } */ +/* { dg-options "-fleading-underscore" } */ + +extern void frobnicate (void) asm ("___frob14"); /* three underscores */ + +void __frob14 (void) {} /* two underscores */ + +int +main (void) +{ + frobnicate (); + return 0; +} + +/* In case built where the runtime expects no leading underscore on + main(). */ +extern int xmain (void) asm ("main"); + +int xmain (void) { return main(); } diff --git a/gcc/varasm.c b/gcc/varasm.c index 5a10d65..af76b15 100644 --- a/gcc/varasm.c +++ b/gcc/varasm.c @@ -710,8 +710,14 @@ make_decl_rtl (decl, asmspec, top_level) reg_number = decode_reg_name (asmspec); if (reg_number == -2) - /* ASMSPEC is given, and not the name of a register. */ - new_name = asmspec; + { + /* ASMSPEC is given, and not the name of a register. Mark the + name with a star so assemble_name won't munge it. */ + char *starred = alloca (strlen (asmspec) + 2); + starred[0] = '*'; + strcpy (starred + 1, asmspec); + new_name = starred; + } if (TREE_CODE (decl) != FUNCTION_DECL && DECL_REGISTER (decl)) { |