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Improve logic for avoiding prof.c to be compiled with -pg

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Francisco Javier Trujillo Mata
2024-08-15 18:24:42 +02:00
parent 62c71d2118
commit f2d349aa2d
2 changed files with 7 additions and 21 deletions
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21
src/prof/mcount.s
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@@ -17,30 +17,12 @@ _mcount:
sd $6, 32($29) sd $6, 32($29)
sd $7, 40($29) sd $7, 40($29)
# Make sure we're not recursively called when compiling __mcount()
# With -pg
la $4, _busy
lw $5, 0($4)
bnez $5, done
nop
# Mark busy
li $5, 1
sw $5, 0($4)
# Call internal C handler # Call internal C handler
move $4, $1 move $4, $1
move $5, $31 move $5, $31
jal __mcount jal __mcount
nop nop
# Unmark busy
la $4, _busy
li $5, 0
sw $5, 0($4)
done:
# Restore registers # Restore registers
ld $31, 0($29) ld $31, 0($29)
ld $1, 8($29) ld $1, 8($29)
@@ -52,9 +34,6 @@ _mcount:
j $31 j $31
move $31, $1 # restore caller's ra move $31, $1 # restore caller's ra
_busy:
.space 4
.end _mcount .end _mcount
.set reorder .set reorder

7
src/prof/prof.c
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@@ -78,8 +78,11 @@ extern int _ftext;
extern int _etext; extern int _etext;
/* forward declarations */ /* forward declarations */
__attribute__((__no_instrument_function__, __no_profile_instrument_function__))
void __gprof_cleanup(void); void __gprof_cleanup(void);
__attribute__((__no_instrument_function__, __no_profile_instrument_function__))
void __mcount(unsigned int, unsigned int); void __mcount(unsigned int, unsigned int);
__attribute__((__no_instrument_function__, __no_profile_instrument_function__))
static SceUInt timer_handler(SceUID uid, SceKernelSysClock *c1, SceKernelSysClock *c2, void *common); static SceUInt timer_handler(SceUID uid, SceKernelSysClock *c1, SceKernelSysClock *c2, void *common);
/** Initializes pg library /** Initializes pg library
@@ -89,6 +92,7 @@ static SceUInt timer_handler(SceUID uid, SceKernelSysClock *c1, SceKernelSysCloc
for sampling statistics. Note that this also installs a timer that for sampling statistics. Note that this also installs a timer that
runs at 1000 hert. runs at 1000 hert.
*/ */
__attribute__((__no_instrument_function__, __no_profile_instrument_function__))
static void initialize() static void initialize()
{ {
initialized = 1; initialized = 1;
@@ -156,6 +160,7 @@ static void initialize()
Called from atexit() handler; will dump out a host:gmon.out file Called from atexit() handler; will dump out a host:gmon.out file
with all collected information. with all collected information.
*/ */
__attribute__((__no_instrument_function__, __no_profile_instrument_function__))
void __gprof_cleanup() void __gprof_cleanup()
{ {
FILE *fp; FILE *fp;
@@ -205,6 +210,7 @@ void __gprof_cleanup()
beginning of each compiled routine, which eventually brings the beginning of each compiled routine, which eventually brings the
control to here. control to here.
*/ */
__attribute__((__no_instrument_function__, __no_profile_instrument_function__))
void __mcount(unsigned int frompc, unsigned int selfpc) void __mcount(unsigned int frompc, unsigned int selfpc)
{ {
int e; int e;
@@ -238,6 +244,7 @@ void __mcount(unsigned int frompc, unsigned int selfpc)
/** Internal timer handler /** Internal timer handler
*/ */
__attribute__((__no_instrument_function__, __no_profile_instrument_function__))
static SceUInt timer_handler(SceUID uid, SceKernelSysClock *requested, SceKernelSysClock *actual, void *common) static SceUInt timer_handler(SceUID uid, SceKernelSysClock *requested, SceKernelSysClock *actual, void *common)
{ {
unsigned int frompc = gp.pc; unsigned int frompc = gp.pc;