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| author | Nick Clifton <nickc@redhat.com> | 2001-01-09 01:08:53 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@gcc.gnu.org> | 2001-01-09 01:08:53 +0000 |
| commit | f7a80099bdb0a835a35df02093e2f52420d2cfcd (patch) | |
| tree | 32c3f4d5fdd861f2938392c6fc1f674a05442cfa /gcc | |
| parent | 5a259aec511b294d3be1df9d54a3bebf8ad89c7c (diff) | |
| download | gcc-f7a80099bdb0a835a35df02093e2f52420d2cfcd.zip gcc-f7a80099bdb0a835a35df02093e2f52420d2cfcd.tar.gz gcc-f7a80099bdb0a835a35df02093e2f52420d2cfcd.tar.bz2 | |
Fix memory leak
From-SVN: r38811
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/arm/arm.c | 20 |
2 files changed, 25 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4e28f23..45338c3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2001-01-08 Nick Clifton <nickc@redhat.com> + + * config/arm/arm.c (arm_mark_machine_status): Check to see if + the machine structure has been allocated. + (arm_free_machine_status): New function: Free the machine + specific function structure. + 2001-01-08 Richard Henderson <rth@redhat.com> * jump.c (simplejump_p): Revert last change. diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index 5401773..4a34369 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -76,6 +76,7 @@ static Mmode select_dominance_cc_mode PARAMS ((rtx, rtx, Hint)); static Ccstar shift_op PARAMS ((rtx, Hint *)); static void arm_init_machine_status PARAMS ((struct function *)); static void arm_mark_machine_status PARAMS ((struct function *)); +static void arm_free_machine_status PARAMS ((struct function *)); static int number_of_first_bit_set PARAMS ((int)); static void replace_symbols_in_block PARAMS ((tree, rtx, rtx)); static void thumb_exit PARAMS ((FILE *, int, rtx)); @@ -9587,8 +9588,11 @@ arm_mark_machine_status (p) { machine_function *machine = p->machine; - ggc_mark_rtx (machine->ra_rtx); - ggc_mark_rtx (machine->eh_epilogue_sp_ofs); + if (machine) + { + ggc_mark_rtx (machine->ra_rtx); + ggc_mark_rtx (machine->eh_epilogue_sp_ofs); + } } static void @@ -9603,6 +9607,17 @@ arm_init_machine_status (p) #endif } +static void +arm_free_machine_status (p) + struct function * p; +{ + if (p->machine) + { + free (p->machine); + p->machine = NULL; + } +} + /* Return an RTX indicating where the return address to the calling function can be found. */ rtx @@ -9650,6 +9665,7 @@ arm_init_expanders () /* Arrange to initialize and mark the machine per-function status. */ init_machine_status = arm_init_machine_status; mark_machine_status = arm_mark_machine_status; + free_machine_status = arm_free_machine_status; } /* Generate the rest of a function's prologue. */ |