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| author | Tom Tromey <tromey@cygnus.com> | 1998-12-13 15:24:48 +0000 |
|---|---|---|
| committer | Tom Tromey <tromey@gcc.gnu.org> | 1998-12-13 15:24:48 +0000 |
| commit | cb975f38fbfb5d5d0cd1092b013c64cd54a2a1ce (patch) | |
| tree | 678d4fc66d8748a4b2002a45f61b96e7d26623de /gcc/java/gjavah.c | |
| parent | f181d4aea017cdd3597d324a78cdd60f1989cddf (diff) | |
| download | gcc-cb975f38fbfb5d5d0cd1092b013c64cd54a2a1ce.zip gcc-cb975f38fbfb5d5d0cd1092b013c64cd54a2a1ce.tar.gz gcc-cb975f38fbfb5d5d0cd1092b013c64cd54a2a1ce.tar.bz2 | |
gjavah.c (decompile_method): Handle all types of `return' opcode.
* gjavah.c (decompile_method): Handle all types of `return'
opcode. Decompile `return this' and `return'.
(method_access): New global.
(print_method_info): Set it.
(decompile_method): Don't decompile a synchronized method.
From-SVN: r24297
Diffstat (limited to 'gcc/java/gjavah.c')
| -rw-r--r-- | gcc/java/gjavah.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/gcc/java/gjavah.c b/gcc/java/gjavah.c index eec27b3..5e879c7 100644 --- a/gcc/java/gjavah.c +++ b/gcc/java/gjavah.c @@ -124,6 +124,7 @@ static int field_pass; #define HANDLE_CONSTANTVALUE(VALUEINDEX) current_field_value = (VALUEINDEX) +static int method_access = 0; #define HANDLE_METHOD(ACCESS_FLAGS, NAME, SIGNATURE, ATTRIBUTE_COUNT) \ if (out) { decompiled = 0; \ print_method_info (out, jcf, NAME, SIGNATURE, ACCESS_FLAGS); \ @@ -398,6 +399,7 @@ DEFUN(print_method_info, (stream, jcf, name_index, sig_index, flags), int length, is_init = 0; char *override = NULL; + method_access = flags; if (JPOOL_TAG (jcf, name_index) != CONSTANT_Utf8) fprintf (stream, "<not a UTF8 constant>"); str = JPOOL_UTF_DATA (jcf, name_index); @@ -465,12 +467,20 @@ decompile_method (out, jcf, code_len) int index; uint16 name_and_type, name; + /* If the method is synchronized, don't touch it. */ + if ((method_access & ACC_SYNCHRONIZED)) + return; + if (code_len == 5 && codes[0] == OPCODE_aload_0 && codes[1] == OPCODE_getfield - && codes[4] == OPCODE_areturn) + && (codes[4] == OPCODE_areturn + || codes[4] == OPCODE_dreturn + || codes[4] == OPCODE_freturn + || codes[4] == OPCODE_ireturn + || codes[4] == OPCODE_lreturn)) { - /* Found something useful to decompile. */ + /* Found code like `return FIELD'. */ fputs (" { return ", out); index = (codes[2] << 8) | codes[3]; /* FIXME: ensure that tag is CONSTANT_Fieldref. */ @@ -482,6 +492,20 @@ decompile_method (out, jcf, code_len) fputs ("; }", out); decompiled = 1; } + else if (code_len == 2 + && codes[0] == OPCODE_aload_0 + && codes[1] == OPCODE_areturn) + { + /* Found `return this'. */ + fputs (" { return this; }", out); + decompiled = 1; + } + else if (code_len == 1 && codes[0] == OPCODE_return) + { + /* Found plain `return'. */ + fputs (" { }", out); + decompiled = 1; + } } /* Print one piece of a signature. Returns pointer to next parseable |